#cantor — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #cantor, aggregated by home.social.
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#Cantor, KDE’s frontend for mathematical software and the engine behind #LabPlot’s notebook interface, just received a major update to version 26.04! 🚀 :boost_love:
Highlights include:
👉 Integration with KTextEditor for a modern editing experience,
👉 Improved variable handling with cross-backend autocompletion,
👉 Reworked #LaTeX rendering pipeline for faster,
👉 More reliable previews.Read the announcement here:
👉 https://cantor.kde.org/blog/2026-04-26-cantor-26-04/ -
#Cantor, KDE’s frontend for mathematical software and the engine behind #LabPlot’s notebook interface, just received a major update to version 26.04! 🚀 :boost_love:
Highlights include:
👉 Integration with KTextEditor for a modern editing experience,
👉 Improved variable handling with cross-backend autocompletion,
👉 Reworked #LaTeX rendering pipeline for faster,
👉 More reliable previews.Read the announcement here:
👉 https://cantor.kde.org/blog/2026-04-26-cantor-26-04/ -
#Cantor, KDE’s frontend for mathematical software and the engine behind #LabPlot’s notebook interface, just received a major update to version 26.04! 🚀 :boost_love:
Highlights include:
👉 Integration with KTextEditor for a modern editing experience,
👉 Improved variable handling with cross-backend autocompletion,
👉 Reworked #LaTeX rendering pipeline for faster,
👉 More reliable previews.Read the announcement here:
👉 https://cantor.kde.org/blog/2026-04-26-cantor-26-04/ -
#Cantor, KDE’s frontend for mathematical software and the engine behind #LabPlot’s notebook interface, just received a major update to version 26.04! 🚀 :boost_love:
Highlights include:
👉 Integration with KTextEditor for a modern editing experience,
👉 Improved variable handling with cross-backend autocompletion,
👉 Reworked #LaTeX rendering pipeline for faster,
👉 More reliable previews.Read the announcement here:
👉 https://cantor.kde.org/blog/2026-04-26-cantor-26-04/ -
#Cantor, KDE’s frontend for mathematical software and the engine behind #LabPlot’s notebook interface, just received a major update to version 26.04! 🚀 :boost_love:
Highlights include:
👉 Integration with KTextEditor for a modern editing experience,
👉 Improved variable handling with cross-backend autocompletion,
👉 Reworked #LaTeX rendering pipeline for faster,
👉 More reliable previews.Read the announcement here:
👉 https://cantor.kde.org/blog/2026-04-26-cantor-26-04/ -
"In its heyday, #BethEl was the spiritual home to as many as 1,800 families. Its spiritual leaders have been distinguished leaders of #Reform #Judaism. They engaged the first ordained woman #cantor, #BarbaraOstfeld, to offer prayers in its magnificent sanctuary, which had been designed by #LouiseNevelson.
But things change. Recently, an #Iranian/#Sephardic #yeshiva purchased Temple Beth-El.
Many of my friends who grew up at Beth-El experience this as a kind of a loss. I see it as a story of #Jewish transformation.
The #Persian/Iranian Jewish community is among the oldest continuous Jewish communities in the world, going back even further than Cyrus the Great. The #Hebrew Bible ends with him inviting the Jews of his realm to return to #Jerusalem, while those who stayed behind in #Persia built a rich culture, literature and traditions.
Then came the Iranian Revolution of 1979, and we are still living with its aftermath."
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"In its heyday, #BethEl was the spiritual home to as many as 1,800 families. Its spiritual leaders have been distinguished leaders of #Reform #Judaism. They engaged the first ordained woman #cantor, #BarbaraOstfeld, to offer prayers in its magnificent sanctuary, which had been designed by #LouiseNevelson.
But things change. Recently, an #Iranian/#Sephardic #yeshiva purchased Temple Beth-El.
Many of my friends who grew up at Beth-El experience this as a kind of a loss. I see it as a story of #Jewish transformation.
The #Persian/Iranian Jewish community is among the oldest continuous Jewish communities in the world, going back even further than Cyrus the Great. The #Hebrew Bible ends with him inviting the Jews of his realm to return to #Jerusalem, while those who stayed behind in #Persia built a rich culture, literature and traditions.
Then came the Iranian Revolution of 1979, and we are still living with its aftermath."
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"In its heyday, #BethEl was the spiritual home to as many as 1,800 families. Its spiritual leaders have been distinguished leaders of #Reform #Judaism. They engaged the first ordained woman #cantor, #BarbaraOstfeld, to offer prayers in its magnificent sanctuary, which had been designed by #LouiseNevelson.
But things change. Recently, an #Iranian/#Sephardic #yeshiva purchased Temple Beth-El.
Many of my friends who grew up at Beth-El experience this as a kind of a loss. I see it as a story of #Jewish transformation.
The #Persian/Iranian Jewish community is among the oldest continuous Jewish communities in the world, going back even further than Cyrus the Great. The #Hebrew Bible ends with him inviting the Jews of his realm to return to #Jerusalem, while those who stayed behind in #Persia built a rich culture, literature and traditions.
Then came the Iranian Revolution of 1979, and we are still living with its aftermath."
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"In its heyday, #BethEl was the spiritual home to as many as 1,800 families. Its spiritual leaders have been distinguished leaders of #Reform #Judaism. They engaged the first ordained woman #cantor, #BarbaraOstfeld, to offer prayers in its magnificent sanctuary, which had been designed by #LouiseNevelson.
But things change. Recently, an #Iranian/#Sephardic #yeshiva purchased Temple Beth-El.
Many of my friends who grew up at Beth-El experience this as a kind of a loss. I see it as a story of #Jewish transformation.
The #Persian/Iranian Jewish community is among the oldest continuous Jewish communities in the world, going back even further than Cyrus the Great. The #Hebrew Bible ends with him inviting the Jews of his realm to return to #Jerusalem, while those who stayed behind in #Persia built a rich culture, literature and traditions.
Then came the Iranian Revolution of 1979, and we are still living with its aftermath."
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"In its heyday, #BethEl was the spiritual home to as many as 1,800 families. Its spiritual leaders have been distinguished leaders of #Reform #Judaism. They engaged the first ordained woman #cantor, #BarbaraOstfeld, to offer prayers in its magnificent sanctuary, which had been designed by #LouiseNevelson.
But things change. Recently, an #Iranian/#Sephardic #yeshiva purchased Temple Beth-El.
Many of my friends who grew up at Beth-El experience this as a kind of a loss. I see it as a story of #Jewish transformation.
The #Persian/Iranian Jewish community is among the oldest continuous Jewish communities in the world, going back even further than Cyrus the Great. The #Hebrew Bible ends with him inviting the Jews of his realm to return to #Jerusalem, while those who stayed behind in #Persia built a rich culture, literature and traditions.
Then came the Iranian Revolution of 1979, and we are still living with its aftermath."
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Caso D4vd: Cantor é preso meses após corpo de adolescente ser encontrada no porta-malas de Tesla
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"Years after #YounesDardashti’s death, his granddaughter #Galeet is still singing with him in #NewYork.
Using #archival #recordings of her grandfather’s voice, #GaleetDardashti created her #album #Monajat — meaning an intimate conversation with God — layering her vocals over decades-old tapes of him #singing #Selihot, religious poetry chanted nightly before the #Jewish New Year.
Across the country in #LosAngeles, #JacquelineRafii — senior #cantor of Valley Beth Shalom, one of the largest Conservative #synagogues in the U.S. — is also working to preserve her #Iranian grandfather’s traditional #Persian Jewish #music.
While in #cantorial school, Rafii rediscovered cassette tapes made of her grandfather leading a #Passover seder in #Tehran. When her family was forced to flee the country following the #IslamicRevolution in 1979, they brought that cassette tape with them."
https://forward.com/culture/816997/iran-persian-jewish-music/
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"Years after #YounesDardashti’s death, his granddaughter #Galeet is still singing with him in #NewYork.
Using #archival #recordings of her grandfather’s voice, #GaleetDardashti created her #album #Monajat — meaning an intimate conversation with God — layering her vocals over decades-old tapes of him #singing #Selihot, religious poetry chanted nightly before the #Jewish New Year.
Across the country in #LosAngeles, #JacquelineRafii — senior #cantor of Valley Beth Shalom, one of the largest Conservative #synagogues in the U.S. — is also working to preserve her #Iranian grandfather’s traditional #Persian Jewish #music.
While in #cantorial school, Rafii rediscovered cassette tapes made of her grandfather leading a #Passover seder in #Tehran. When her family was forced to flee the country following the #IslamicRevolution in 1979, they brought that cassette tape with them."
https://forward.com/culture/816997/iran-persian-jewish-music/
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"Years after #YounesDardashti’s death, his granddaughter #Galeet is still singing with him in #NewYork.
Using #archival #recordings of her grandfather’s voice, #GaleetDardashti created her #album #Monajat — meaning an intimate conversation with God — layering her vocals over decades-old tapes of him #singing #Selihot, religious poetry chanted nightly before the #Jewish New Year.
Across the country in #LosAngeles, #JacquelineRafii — senior #cantor of Valley Beth Shalom, one of the largest Conservative #synagogues in the U.S. — is also working to preserve her #Iranian grandfather’s traditional #Persian Jewish #music.
While in #cantorial school, Rafii rediscovered cassette tapes made of her grandfather leading a #Passover seder in #Tehran. When her family was forced to flee the country following the #IslamicRevolution in 1979, they brought that cassette tape with them."
https://forward.com/culture/816997/iran-persian-jewish-music/
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"Years after #YounesDardashti’s death, his granddaughter #Galeet is still singing with him in #NewYork.
Using #archival #recordings of her grandfather’s voice, #GaleetDardashti created her #album #Monajat — meaning an intimate conversation with God — layering her vocals over decades-old tapes of him #singing #Selihot, religious poetry chanted nightly before the #Jewish New Year.
Across the country in #LosAngeles, #JacquelineRafii — senior #cantor of Valley Beth Shalom, one of the largest Conservative #synagogues in the U.S. — is also working to preserve her #Iranian grandfather’s traditional #Persian Jewish #music.
While in #cantorial school, Rafii rediscovered cassette tapes made of her grandfather leading a #Passover seder in #Tehran. When her family was forced to flee the country following the #IslamicRevolution in 1979, they brought that cassette tape with them."
https://forward.com/culture/816997/iran-persian-jewish-music/
-
"Years after #YounesDardashti’s death, his granddaughter #Galeet is still singing with him in #NewYork.
Using #archival #recordings of her grandfather’s voice, #GaleetDardashti created her #album #Monajat — meaning an intimate conversation with God — layering her vocals over decades-old tapes of him #singing #Selihot, religious poetry chanted nightly before the #Jewish New Year.
Across the country in #LosAngeles, #JacquelineRafii — senior #cantor of Valley Beth Shalom, one of the largest Conservative #synagogues in the U.S. — is also working to preserve her #Iranian grandfather’s traditional #Persian Jewish #music.
While in #cantorial school, Rafii rediscovered cassette tapes made of her grandfather leading a #Passover seder in #Tehran. When her family was forced to flee the country following the #IslamicRevolution in 1979, they brought that cassette tape with them."
https://forward.com/culture/816997/iran-persian-jewish-music/
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The Man Who Stole Infinity
https://www.quantamagazine.org/the-man-who-stole-infinity-20260225/ - Sobre los infinitos y un supuesto plagio por parte de Cantor -
How Can Infinity Come in Many Sizes?
https://www.quantamagazine.org/how-can-infinity-come-in-many-sizes-20260223/ - Sobre los distintos tipos de infinitos.https://fsolt.es/2026/03/how-can-infinity-come-in-many-sizes/
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“I am never forget the day I first meet the great Lobachevsky. / In one word he told me secret of success in mathematics: / Plagiarize!”*…
Georg Cantor and Richard DedekindIn an 1874 paper, Georg Cantor proved that there are different sizes of infinity and changed math forever. But as Joseph Howlett reports, a trove of newly unearthed letters shows that it was also an act of plagiarism…
When Demian Goos followed Karin Richter into her office on March 12 of last year, the first thing he noticed was the bust. It sat atop a tall pedestal in the corner of the room, depicting a bald, elderly gentleman with a stoic countenance. Goos saw no trace of the anxious, lonely man who had obsessed him for over a year.
Instead, this was Georg Cantor as history saw him. An intellectual giant: steadfast, strong-willed, determined to bring about a mathematical revolution over the clamorous objections of his peers.
It was here, at the University of Halle in Germany, that Cantor launched his revolution 150 years ago. Here, in 1874, he published one of the most important papers in math’s 4,000-year history. That paper crystallized a concept that had long been viewed as a mathematical malignancy to be shunned at all costs: infinity. It forced mathematicians to question some of their longest-held assumptions, rocking mathematics to its very foundations. And it gave rise to a new field of study that would eventually bring about a rewriting of the entire subject.
Now Goos, a 35-year-old mathematician and journalist, had come to Halle — a five-hour train ride from his home in Mainz — to look at some letters from Cantor’s estate. He’d seen a scan of one and was pretty sure he knew what the others would say. But he wanted to see them in person.
Richter — who, like Cantor, had spent her entire career here, first as a research mathematician and then, after retiring, as a lecturer on the history of mathematics — gestured for Goos to sit. She lifted a thin blue binder from the scattered piles of books and papers on her desk. Inside were dozens of plastic sheet protectors, each one containing an old, handwritten letter.
Goos began flipping through, contemplating the letters with the relish of an archaeologist entering a long-lost tomb. Then he reached a particular page and froze. He struggled to catch his breath.
It wasn’t the handwriting. At this point in his research on Cantor, he’d become accustomed to the strange, nearly indecipherable Gothic script known as kurrentschrift, which Germans used until around 1900.
It wasn’t the signature. He knew that the German mathematician Richard Dedekind had been a key player in Cantor’s quest to understand infinity and solidify math’s foundations, and that the two had exchanged many letters.
It was the date: November 30, 1873.
He’d never seen this letter before. No one had. It was believed to be lost, destroyed in the tumult of World War II or perhaps by Cantor himself.
This was the letter that had the power to rewrite Cantor’s legacy. The letter that proved once and for all that Cantor’s famous 1874 paper, the one that would go on to reshape all of mathematics, had been an act of plagiarism…
The extraordinary story of unearthing this extraordinary story: “The Man Who Stole Infinity,” from @quantamagazine.bsky.social.
See also: “How Can Infinity Come in Many Sizes?“
* Tom Lehrer (not just a glorious songwriter, but also a gifted mathematician), “Lobachevsky” (referring to the mathematician Nikolai Ivanovich Lobachevsky— “not intended as a slur on [Lobachevsky’s] character [but chosen]”solely for prosodic reasons”)
###
As we confer credit where credit is due, we might spare a thought for Charles-Jean Étienne Gustave Nicolas, baron de la Vallée Poussin; he died on this date in 1962. A Belgian mathematician, he is best known for proving the prime number theorem (which formalized the intuitive idea that primes become less common as they become larger by precisely quantifying the rate at which this occurs). So great was the contribution that the King of Belgium ennobled him with the title of baron.
#Cantor #culture #DemianGoos #GeorgCantor #history #infinity #KarinRichter #Mathematics #primeNumberTheorem #primeNumbers #RichardDedekind #Science #TomLehrer #ValléePoussin #ValleePoussin -
“I am never forget the day I first meet the great Lobachevsky. / In one word he told me secret of success in mathematics: / Plagiarize!”*…
Georg Cantor and Richard DedekindIn an 1874 paper, Georg Cantor proved that there are different sizes of infinity and changed math forever. But as Joseph Howlett reports, a trove of newly unearthed letters shows that it was also an act of plagiarism…
When Demian Goos followed Karin Richter into her office on March 12 of last year, the first thing he noticed was the bust. It sat atop a tall pedestal in the corner of the room, depicting a bald, elderly gentleman with a stoic countenance. Goos saw no trace of the anxious, lonely man who had obsessed him for over a year.
Instead, this was Georg Cantor as history saw him. An intellectual giant: steadfast, strong-willed, determined to bring about a mathematical revolution over the clamorous objections of his peers.
It was here, at the University of Halle in Germany, that Cantor launched his revolution 150 years ago. Here, in 1874, he published one of the most important papers in math’s 4,000-year history. That paper crystallized a concept that had long been viewed as a mathematical malignancy to be shunned at all costs: infinity. It forced mathematicians to question some of their longest-held assumptions, rocking mathematics to its very foundations. And it gave rise to a new field of study that would eventually bring about a rewriting of the entire subject.
Now Goos, a 35-year-old mathematician and journalist, had come to Halle — a five-hour train ride from his home in Mainz — to look at some letters from Cantor’s estate. He’d seen a scan of one and was pretty sure he knew what the others would say. But he wanted to see them in person.
Richter — who, like Cantor, had spent her entire career here, first as a research mathematician and then, after retiring, as a lecturer on the history of mathematics — gestured for Goos to sit. She lifted a thin blue binder from the scattered piles of books and papers on her desk. Inside were dozens of plastic sheet protectors, each one containing an old, handwritten letter.
Goos began flipping through, contemplating the letters with the relish of an archaeologist entering a long-lost tomb. Then he reached a particular page and froze. He struggled to catch his breath.
It wasn’t the handwriting. At this point in his research on Cantor, he’d become accustomed to the strange, nearly indecipherable Gothic script known as kurrentschrift, which Germans used until around 1900.
It wasn’t the signature. He knew that the German mathematician Richard Dedekind had been a key player in Cantor’s quest to understand infinity and solidify math’s foundations, and that the two had exchanged many letters.
It was the date: November 30, 1873.
He’d never seen this letter before. No one had. It was believed to be lost, destroyed in the tumult of World War II or perhaps by Cantor himself.
This was the letter that had the power to rewrite Cantor’s legacy. The letter that proved once and for all that Cantor’s famous 1874 paper, the one that would go on to reshape all of mathematics, had been an act of plagiarism…
The extraordinary story of unearthing this extraordinary story: “The Man Who Stole Infinity,” from @quantamagazine.bsky.social.
See also: “How Can Infinity Come in Many Sizes?“
* Tom Lehrer (not just a glorious songwriter, but also a gifted mathematician), “Lobachevsky” (referring to the mathematician Nikolai Ivanovich Lobachevsky— “not intended as a slur on [Lobachevsky’s] character [but chosen]”solely for prosodic reasons”)
###
As we confer credit where credit is due, we might spare a thought for Charles-Jean Étienne Gustave Nicolas, baron de la Vallée Poussin; he died on this date in 1962. A Belgian mathematician, he is best known for proving the prime number theorem (which formalized the intuitive idea that primes become less common as they become larger by precisely quantifying the rate at which this occurs). So great was the contribution that the King of Belgium ennobled him with the title of baron.
#Cantor #culture #DemianGoos #GeorgCantor #history #infinity #KarinRichter #Mathematics #primeNumberTheorem #primeNumbers #RichardDedekind #Science #TomLehrer #ValléePoussin #ValleePoussin -
“I am never forget the day I first meet the great Lobachevsky. / In one word he told me secret of success in mathematics: / Plagiarize!”*…
Georg Cantor and Richard DedekindIn an 1874 paper, Georg Cantor proved that there are different sizes of infinity and changed math forever. But as Joseph Howlett reports, a trove of newly unearthed letters shows that it was also an act of plagiarism…
When Demian Goos followed Karin Richter into her office on March 12 of last year, the first thing he noticed was the bust. It sat atop a tall pedestal in the corner of the room, depicting a bald, elderly gentleman with a stoic countenance. Goos saw no trace of the anxious, lonely man who had obsessed him for over a year.
Instead, this was Georg Cantor as history saw him. An intellectual giant: steadfast, strong-willed, determined to bring about a mathematical revolution over the clamorous objections of his peers.
It was here, at the University of Halle in Germany, that Cantor launched his revolution 150 years ago. Here, in 1874, he published one of the most important papers in math’s 4,000-year history. That paper crystallized a concept that had long been viewed as a mathematical malignancy to be shunned at all costs: infinity. It forced mathematicians to question some of their longest-held assumptions, rocking mathematics to its very foundations. And it gave rise to a new field of study that would eventually bring about a rewriting of the entire subject.
Now Goos, a 35-year-old mathematician and journalist, had come to Halle — a five-hour train ride from his home in Mainz — to look at some letters from Cantor’s estate. He’d seen a scan of one and was pretty sure he knew what the others would say. But he wanted to see them in person.
Richter — who, like Cantor, had spent her entire career here, first as a research mathematician and then, after retiring, as a lecturer on the history of mathematics — gestured for Goos to sit. She lifted a thin blue binder from the scattered piles of books and papers on her desk. Inside were dozens of plastic sheet protectors, each one containing an old, handwritten letter.
Goos began flipping through, contemplating the letters with the relish of an archaeologist entering a long-lost tomb. Then he reached a particular page and froze. He struggled to catch his breath.
It wasn’t the handwriting. At this point in his research on Cantor, he’d become accustomed to the strange, nearly indecipherable Gothic script known as kurrentschrift, which Germans used until around 1900.
It wasn’t the signature. He knew that the German mathematician Richard Dedekind had been a key player in Cantor’s quest to understand infinity and solidify math’s foundations, and that the two had exchanged many letters.
It was the date: November 30, 1873.
He’d never seen this letter before. No one had. It was believed to be lost, destroyed in the tumult of World War II or perhaps by Cantor himself.
This was the letter that had the power to rewrite Cantor’s legacy. The letter that proved once and for all that Cantor’s famous 1874 paper, the one that would go on to reshape all of mathematics, had been an act of plagiarism…
The extraordinary story of unearthing this extraordinary story: “The Man Who Stole Infinity,” from @quantamagazine.bsky.social.
See also: “How Can Infinity Come in Many Sizes?“
* Tom Lehrer (not just a glorious songwriter, but also a gifted mathematician), “Lobachevsky” (referring to the mathematician Nikolai Ivanovich Lobachevsky— “not intended as a slur on [Lobachevsky’s] character [but chosen]”solely for prosodic reasons”)
###
As we confer credit where credit is due, we might spare a thought for Charles-Jean Étienne Gustave Nicolas, baron de la Vallée Poussin; he died on this date in 1962. A Belgian mathematician, he is best known for proving the prime number theorem (which formalized the intuitive idea that primes become less common as they become larger by precisely quantifying the rate at which this occurs). So great was the contribution that the King of Belgium ennobled him with the title of baron.
#Cantor #culture #DemianGoos #GeorgCantor #history #infinity #KarinRichter #Mathematics #primeNumberTheorem #primeNumbers #RichardDedekind #Science #TomLehrer #ValléePoussin #ValleePoussin -
“I am never forget the day I first meet the great Lobachevsky. / In one word he told me secret of success in mathematics: / Plagiarize!”*…
Georg Cantor and Richard DedekindIn an 1874 paper, Georg Cantor proved that there are different sizes of infinity and changed math forever. But as Joseph Howlett reports, a trove of newly unearthed letters shows that it was also an act of plagiarism…
When Demian Goos followed Karin Richter into her office on March 12 of last year, the first thing he noticed was the bust. It sat atop a tall pedestal in the corner of the room, depicting a bald, elderly gentleman with a stoic countenance. Goos saw no trace of the anxious, lonely man who had obsessed him for over a year.
Instead, this was Georg Cantor as history saw him. An intellectual giant: steadfast, strong-willed, determined to bring about a mathematical revolution over the clamorous objections of his peers.
It was here, at the University of Halle in Germany, that Cantor launched his revolution 150 years ago. Here, in 1874, he published one of the most important papers in math’s 4,000-year history. That paper crystallized a concept that had long been viewed as a mathematical malignancy to be shunned at all costs: infinity. It forced mathematicians to question some of their longest-held assumptions, rocking mathematics to its very foundations. And it gave rise to a new field of study that would eventually bring about a rewriting of the entire subject.
Now Goos, a 35-year-old mathematician and journalist, had come to Halle — a five-hour train ride from his home in Mainz — to look at some letters from Cantor’s estate. He’d seen a scan of one and was pretty sure he knew what the others would say. But he wanted to see them in person.
Richter — who, like Cantor, had spent her entire career here, first as a research mathematician and then, after retiring, as a lecturer on the history of mathematics — gestured for Goos to sit. She lifted a thin blue binder from the scattered piles of books and papers on her desk. Inside were dozens of plastic sheet protectors, each one containing an old, handwritten letter.
Goos began flipping through, contemplating the letters with the relish of an archaeologist entering a long-lost tomb. Then he reached a particular page and froze. He struggled to catch his breath.
It wasn’t the handwriting. At this point in his research on Cantor, he’d become accustomed to the strange, nearly indecipherable Gothic script known as kurrentschrift, which Germans used until around 1900.
It wasn’t the signature. He knew that the German mathematician Richard Dedekind had been a key player in Cantor’s quest to understand infinity and solidify math’s foundations, and that the two had exchanged many letters.
It was the date: November 30, 1873.
He’d never seen this letter before. No one had. It was believed to be lost, destroyed in the tumult of World War II or perhaps by Cantor himself.
This was the letter that had the power to rewrite Cantor’s legacy. The letter that proved once and for all that Cantor’s famous 1874 paper, the one that would go on to reshape all of mathematics, had been an act of plagiarism…
The extraordinary story of unearthing this extraordinary story: “The Man Who Stole Infinity,” from @quantamagazine.bsky.social.
See also: “How Can Infinity Come in Many Sizes?“
* Tom Lehrer (not just a glorious songwriter, but also a gifted mathematician), “Lobachevsky” (referring to the mathematician Nikolai Ivanovich Lobachevsky— “not intended as a slur on [Lobachevsky’s] character [but chosen]”solely for prosodic reasons”)
###
As we confer credit where credit is due, we might spare a thought for Charles-Jean Étienne Gustave Nicolas, baron de la Vallée Poussin; he died on this date in 1962. A Belgian mathematician, he is best known for proving the prime number theorem (which formalized the intuitive idea that primes become less common as they become larger by precisely quantifying the rate at which this occurs). So great was the contribution that the King of Belgium ennobled him with the title of baron.
#Cantor #culture #DemianGoos #GeorgCantor #history #infinity #KarinRichter #Mathematics #primeNumberTheorem #primeNumbers #RichardDedekind #Science #TomLehrer #ValléePoussin #ValleePoussin -
“I am never forget the day I first meet the great Lobachevsky. / In one word he told me secret of success in mathematics: / Plagiarize!”*…
Georg Cantor and Richard DedekindIn an 1874 paper, Georg Cantor proved that there are different sizes of infinity and changed math forever. But as Joseph Howlett reports, a trove of newly unearthed letters shows that it was also an act of plagiarism…
When Demian Goos followed Karin Richter into her office on March 12 of last year, the first thing he noticed was the bust. It sat atop a tall pedestal in the corner of the room, depicting a bald, elderly gentleman with a stoic countenance. Goos saw no trace of the anxious, lonely man who had obsessed him for over a year.
Instead, this was Georg Cantor as history saw him. An intellectual giant: steadfast, strong-willed, determined to bring about a mathematical revolution over the clamorous objections of his peers.
It was here, at the University of Halle in Germany, that Cantor launched his revolution 150 years ago. Here, in 1874, he published one of the most important papers in math’s 4,000-year history. That paper crystallized a concept that had long been viewed as a mathematical malignancy to be shunned at all costs: infinity. It forced mathematicians to question some of their longest-held assumptions, rocking mathematics to its very foundations. And it gave rise to a new field of study that would eventually bring about a rewriting of the entire subject.
Now Goos, a 35-year-old mathematician and journalist, had come to Halle — a five-hour train ride from his home in Mainz — to look at some letters from Cantor’s estate. He’d seen a scan of one and was pretty sure he knew what the others would say. But he wanted to see them in person.
Richter — who, like Cantor, had spent her entire career here, first as a research mathematician and then, after retiring, as a lecturer on the history of mathematics — gestured for Goos to sit. She lifted a thin blue binder from the scattered piles of books and papers on her desk. Inside were dozens of plastic sheet protectors, each one containing an old, handwritten letter.
Goos began flipping through, contemplating the letters with the relish of an archaeologist entering a long-lost tomb. Then he reached a particular page and froze. He struggled to catch his breath.
It wasn’t the handwriting. At this point in his research on Cantor, he’d become accustomed to the strange, nearly indecipherable Gothic script known as kurrentschrift, which Germans used until around 1900.
It wasn’t the signature. He knew that the German mathematician Richard Dedekind had been a key player in Cantor’s quest to understand infinity and solidify math’s foundations, and that the two had exchanged many letters.
It was the date: November 30, 1873.
He’d never seen this letter before. No one had. It was believed to be lost, destroyed in the tumult of World War II or perhaps by Cantor himself.
This was the letter that had the power to rewrite Cantor’s legacy. The letter that proved once and for all that Cantor’s famous 1874 paper, the one that would go on to reshape all of mathematics, had been an act of plagiarism…
The extraordinary story of unearthing this extraordinary story: “The Man Who Stole Infinity,” from @quantamagazine.bsky.social.
See also: “How Can Infinity Come in Many Sizes?“
* Tom Lehrer (not just a glorious songwriter, but also a gifted mathematician), “Lobachevsky” (referring to the mathematician Nikolai Ivanovich Lobachevsky— “not intended as a slur on [Lobachevsky’s] character [but chosen]”solely for prosodic reasons”)
###
As we confer credit where credit is due, we might spare a thought for Charles-Jean Étienne Gustave Nicolas, baron de la Vallée Poussin; he died on this date in 1962. A Belgian mathematician, he is best known for proving the prime number theorem (which formalized the intuitive idea that primes become less common as they become larger by precisely quantifying the rate at which this occurs). So great was the contribution that the King of Belgium ennobled him with the title of baron.
#Cantor #culture #DemianGoos #GeorgCantor #history #infinity #KarinRichter #Mathematics #primeNumberTheorem #primeNumbers #RichardDedekind #Science #TomLehrer #ValléePoussin #ValleePoussin -
I have the greatest admiration for the theorems and proofs of transfinite set theory, what we've called Cantor's transfinite set theory.
I taught it for years, wrote restatements for my students, and wrote a piece viewing it in the perspective of historical thinking about the infinite.
http://nrs.harvard.edu/urn-3:HUL.InstRepos:3715468Now I've learned that #Cantor deliberately suppressed the role of #Dedekind in some of his work, particularly the proof that the set of real numbers is larger than the sets of natural and rational numbers. This was the first glimpse of the infinite hierarchy of infinite cardinalities.
https://www.quantamagazine.org/the-man-who-stole-infinity-20260225/Cantor had the first germ of the proof, so props for that. But Dedekind helped him clarify it and Cantor published the clarified version without credit to Dedekind. I respect the math as much as ever but am now dealing with a serious case of flawed-hero syndrome.
First, make amends. Kudos to Dedekind. Second, give thanks. Kudos to the sleuths who turned up the empirical evidence of Cantor's #plagiarism -- Emmy Noether, Ivor Grattan-Guinness, José Ferreirós, and (decisively) Demian Goos.
Also thanks to Joseph Howlett for the Quanta article summarizing the evidence -- and in passing for calling Leopold #Kronecker an ideologue. Exactly!
-
I have the greatest admiration for the theorems and proofs of transfinite set theory, what we've called Cantor's transfinite set theory.
I taught it for years, wrote restatements for my students, and wrote a piece viewing it in the perspective of historical thinking about the infinite.
http://nrs.harvard.edu/urn-3:HUL.InstRepos:3715468Now I've learned that #Cantor deliberately suppressed the role of #Dedekind in some of his work, particularly the proof that the set of real numbers is larger than the sets of natural and rational numbers. This was the first glimpse of the infinite hierarchy of infinite cardinalities.
https://www.quantamagazine.org/the-man-who-stole-infinity-20260225/Cantor had the first germ of the proof, so props for that. But Dedekind helped him clarify it and Cantor published the clarified version without credit to Dedekind. I respect the math as much as ever but am now dealing with a serious case of flawed-hero syndrome.
First, make amends. Kudos to Dedekind. Second, give thanks. Kudos to the sleuths who turned up the empirical evidence of Cantor's #plagiarism -- Emmy Noether, Ivor Grattan-Guinness, José Ferreirós, and (decisively) Demian Goos.
Also thanks to Joseph Howlett for the Quanta article summarizing the evidence -- and in passing for calling Leopold #Kronecker an ideologue. Exactly!
-
I have the greatest admiration for the theorems and proofs of transfinite set theory, what we've called Cantor's transfinite set theory.
I taught it for years, wrote restatements for my students, and wrote a piece viewing it in the perspective of historical thinking about the infinite.
http://nrs.harvard.edu/urn-3:HUL.InstRepos:3715468Now I've learned that #Cantor deliberately suppressed the role of #Dedekind in some of his work, particularly the proof that the set of real numbers is larger than the sets of natural and rational numbers. This was the first glimpse of the infinite hierarchy of infinite cardinalities.
https://www.quantamagazine.org/the-man-who-stole-infinity-20260225/Cantor had the first germ of the proof, so props for that. But Dedekind helped him clarify it and Cantor published the clarified version without credit to Dedekind. I respect the math as much as ever but am now dealing with a serious case of flawed-hero syndrome.
First, make amends. Kudos to Dedekind. Second, give thanks. Kudos to the sleuths who turned up the empirical evidence of Cantor's #plagiarism -- Emmy Noether, Ivor Grattan-Guinness, José Ferreirós, and (decisively) Demian Goos.
Also thanks to Joseph Howlett for the Quanta article summarizing the evidence -- and in passing for calling Leopold #Kronecker an ideologue. Exactly!
-
I have the greatest admiration for the theorems and proofs of transfinite set theory, what we've called Cantor's transfinite set theory.
I taught it for years, wrote restatements for my students, and wrote a piece viewing it in the perspective of historical thinking about the infinite.
http://nrs.harvard.edu/urn-3:HUL.InstRepos:3715468Now I've learned that #Cantor deliberately suppressed the role of #Dedekind in some of his work, particularly the proof that the set of real numbers is larger than the sets of natural and rational numbers. This was the first glimpse of the infinite hierarchy of infinite cardinalities.
https://www.quantamagazine.org/the-man-who-stole-infinity-20260225/Cantor had the first germ of the proof, so props for that. But Dedekind helped him clarify it and Cantor published the clarified version without credit to Dedekind. I respect the math as much as ever but am now dealing with a serious case of flawed-hero syndrome.
First, make amends. Kudos to Dedekind. Second, give thanks. Kudos to the sleuths who turned up the empirical evidence of Cantor's #plagiarism -- Emmy Noether, Ivor Grattan-Guinness, José Ferreirós, and (decisively) Demian Goos.
Also thanks to Joseph Howlett for the Quanta article summarizing the evidence -- and in passing for calling Leopold #Kronecker an ideologue. Exactly!
-
I have the greatest admiration for the theorems and proofs of transfinite set theory, what we've called Cantor's transfinite set theory.
I taught it for years, wrote restatements for my students, and wrote a piece viewing it in the perspective of historical thinking about the infinite.
http://nrs.harvard.edu/urn-3:HUL.InstRepos:3715468Now I've learned that #Cantor deliberately suppressed the role of #Dedekind in some of his work, particularly the proof that the set of real numbers is larger than the sets of natural and rational numbers. This was the first glimpse of the infinite hierarchy of infinite cardinalities.
https://www.quantamagazine.org/the-man-who-stole-infinity-20260225/Cantor had the first germ of the proof, so props for that. But Dedekind helped him clarify it and Cantor published the clarified version without credit to Dedekind. I respect the math as much as ever but am now dealing with a serious case of flawed-hero syndrome.
First, make amends. Kudos to Dedekind. Second, give thanks. Kudos to the sleuths who turned up the empirical evidence of Cantor's #plagiarism -- Emmy Noether, Ivor Grattan-Guinness, José Ferreirós, and (decisively) Demian Goos.
Also thanks to Joseph Howlett for the Quanta article summarizing the evidence -- and in passing for calling Leopold #Kronecker an ideologue. Exactly!
-
To everyone who replied to my last post. thank you More than I can say. Knowing there are people out there who understand where I am coming from has lifted me in ways I did not expect. It is something I struggle with, and your kindness made a real difference. Welcome, also, to my new followers. I am glad you are here.
Today was my usual Saturday therapy appointment. Things are moving in a good direction. I have graduated to fortnightly sessions, which feels significant. After therapy I caught up with a friend, and came home with a new Victor Reader Stream 3. I am very much still in the "what does this button do" phase. My immediate goals are connecting it to my hearing aids via Bluetooth, getting it onto the wifi, tracking down all my favourite radio stations, and working out how to import my podcast subscriptions from Downcast. The good news is that Downcast can export an OPML file, and the Stream 3 has an "import podcast feeds from file" option in the podcasts menu, so that should be doable once I have the basics sorted.
Tomorrow is church. I am the cantor for the entire service, including the mass setting. It is the first time I have done the full thing from beginning to end. Meaningful does not quite cover it, but neither does terrifying. I only received the hymns and psalm list tonight, so my evening has been spent embossing everything and making sure I have it all ready. There is something grounding and nerve-wracking about that kind of preparation under pressure.
#BlindLife #DeafBlind #AssistiveTech #VictorReaderStream3 #Cantor #ChurchMusic #TherapyJourney #OPML #Downcast
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To everyone who replied to my last post. thank you More than I can say. Knowing there are people out there who understand where I am coming from has lifted me in ways I did not expect. It is something I struggle with, and your kindness made a real difference. Welcome, also, to my new followers. I am glad you are here.
Today was my usual Saturday therapy appointment. Things are moving in a good direction. I have graduated to fortnightly sessions, which feels significant. After therapy I caught up with a friend, and came home with a new Victor Reader Stream 3. I am very much still in the "what does this button do" phase. My immediate goals are connecting it to my hearing aids via Bluetooth, getting it onto the wifi, tracking down all my favourite radio stations, and working out how to import my podcast subscriptions from Downcast. The good news is that Downcast can export an OPML file, and the Stream 3 has an "import podcast feeds from file" option in the podcasts menu, so that should be doable once I have the basics sorted.
Tomorrow is church. I am the cantor for the entire service, including the mass setting. It is the first time I have done the full thing from beginning to end. Meaningful does not quite cover it, but neither does terrifying. I only received the hymns and psalm list tonight, so my evening has been spent embossing everything and making sure I have it all ready. There is something grounding and nerve-wracking about that kind of preparation under pressure.
#BlindLife #DeafBlind #AssistiveTech #VictorReaderStream3 #Cantor #ChurchMusic #TherapyJourney #OPML #Downcast
-
To everyone who replied to my last post. thank you More than I can say. Knowing there are people out there who understand where I am coming from has lifted me in ways I did not expect. It is something I struggle with, and your kindness made a real difference. Welcome, also, to my new followers. I am glad you are here.
Today was my usual Saturday therapy appointment. Things are moving in a good direction. I have graduated to fortnightly sessions, which feels significant. After therapy I caught up with a friend, and came home with a new Victor Reader Stream 3. I am very much still in the "what does this button do" phase. My immediate goals are connecting it to my hearing aids via Bluetooth, getting it onto the wifi, tracking down all my favourite radio stations, and working out how to import my podcast subscriptions from Downcast. The good news is that Downcast can export an OPML file, and the Stream 3 has an "import podcast feeds from file" option in the podcasts menu, so that should be doable once I have the basics sorted.
Tomorrow is church. I am the cantor for the entire service, including the mass setting. It is the first time I have done the full thing from beginning to end. Meaningful does not quite cover it, but neither does terrifying. I only received the hymns and psalm list tonight, so my evening has been spent embossing everything and making sure I have it all ready. There is something grounding and nerve-wracking about that kind of preparation under pressure.
#BlindLife #DeafBlind #AssistiveTech #VictorReaderStream3 #Cantor #ChurchMusic #TherapyJourney #OPML #Downcast
-
To everyone who replied to my last post. thank you More than I can say. Knowing there are people out there who understand where I am coming from has lifted me in ways I did not expect. It is something I struggle with, and your kindness made a real difference. Welcome, also, to my new followers. I am glad you are here.
Today was my usual Saturday therapy appointment. Things are moving in a good direction. I have graduated to fortnightly sessions, which feels significant. After therapy I caught up with a friend, and came home with a new Victor Reader Stream 3. I am very much still in the "what does this button do" phase. My immediate goals are connecting it to my hearing aids via Bluetooth, getting it onto the wifi, tracking down all my favourite radio stations, and working out how to import my podcast subscriptions from Downcast. The good news is that Downcast can export an OPML file, and the Stream 3 has an "import podcast feeds from file" option in the podcasts menu, so that should be doable once I have the basics sorted.
Tomorrow is church. I am the cantor for the entire service, including the mass setting. It is the first time I have done the full thing from beginning to end. Meaningful does not quite cover it, but neither does terrifying. I only received the hymns and psalm list tonight, so my evening has been spent embossing everything and making sure I have it all ready. There is something grounding and nerve-wracking about that kind of preparation under pressure.
#BlindLife #DeafBlind #AssistiveTech #VictorReaderStream3 #Cantor #ChurchMusic #TherapyJourney #OPML #Downcast
-
The Man Who Stole Infinity, by Joseph Howlett
https://www.quantamagazine.org/the-man-who-stole-infinity-20260225/
Demian Goos finally tracked down Dedekind's copies of letters he sent to Cantor, showing that Cantor on at least two occasions published papers on orders of infinity, based in part on Dedekind's work, without crediting him. The letters had been preserved by Dedekind's heirs, and were made available to Goos by Karin Richter.
#mathematics #infinity #continuum #Cantor #Dedekind -
The Man Who Stole Infinity, by Joseph Howlett
https://www.quantamagazine.org/the-man-who-stole-infinity-20260225/
Demian Goos finally tracked down Dedekind's copies of letters he sent to Cantor, showing that Cantor on at least two occasions published papers on orders of infinity, based in part on Dedekind's work, without crediting him. The letters had been preserved by Dedekind's heirs, and were made available to Goos by Karin Richter.
#mathematics #infinity #continuum #Cantor #Dedekind -
The Man Who Stole Infinity, by Joseph Howlett
https://www.quantamagazine.org/the-man-who-stole-infinity-20260225/
Demian Goos finally tracked down Dedekind's copies of letters he sent to Cantor, showing that Cantor on at least two occasions published papers on orders of infinity, based in part on Dedekind's work, without crediting him. The letters had been preserved by Dedekind's heirs, and were made available to Goos by Karin Richter.
#mathematics #infinity #continuum #Cantor #Dedekind -
The Man Who Stole Infinity, by Joseph Howlett
https://www.quantamagazine.org/the-man-who-stole-infinity-20260225/
Demian Goos finally tracked down Dedekind's copies of letters he sent to Cantor, showing that Cantor on at least two occasions published papers on orders of infinity, based in part on Dedekind's work, without crediting him. The letters had been preserved by Dedekind's heirs, and were made available to Goos by Karin Richter.
#mathematics #infinity #continuum #Cantor #Dedekind -
The Man Who Stole Infinity, by Joseph Howlett
https://www.quantamagazine.org/the-man-who-stole-infinity-20260225/
Demian Goos finally tracked down Dedekind's copies of letters he sent to Cantor, showing that Cantor on at least two occasions published papers on orders of infinity, based in part on Dedekind's work, without crediting him. The letters had been preserved by Dedekind's heirs, and were made available to Goos by Karin Richter.
#mathematics #infinity #continuum #Cantor #Dedekind -
BBB 26: DJ Bob Sinclar faz publicação sobre Ana Paula e elogia o Brasil
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“Estou feliz em estar junto do público de Gramado”, revela Diogo Nogueira; cantor se apresentará no Gramado in Concert
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Another interesting interview on Radiant Others, this time with Jeremiah Lockwood and Judith Berkson, talking about their new Khazones Underground record label, and the classic art of Khazones in general and their modern work on it.
https://radiant-others-a.blubrry.net/khazones-underground-with-judith-berkson-and-jeremiah-lockwood/ -
Most attractive #quote of the Legendary Mathematician, Georg Cantor, who inspire me every day throughout my Exploration.
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Starts reading 'A contribution to Manifold theory' by Georg Cantor. To learn what he thinks about Dimensions and manifolds. But I don't know German. I am #struggling with it.
Do you have any ideas for making this exploration easy?#german #manifold #cantor #mathematics #articles #Germanmathematics #science #analysis #geometry #help #suggestions
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Starts reading 'A contribution to Manifold theory' by Georg Cantor. To learn what he thinks about Dimensions and manifolds. But I don't know German. I am #struggling with it.
Do you have any ideas for making this exploration easy?#german #manifold #cantor #mathematics #articles #Germanmathematics #science #analysis #geometry #help #suggestions
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Starts reading 'A contribution to Manifold theory' by Georg Cantor. To learn what he thinks about Dimensions and manifolds. But I don't know German. I am #struggling with it.
Do you have any ideas for making this exploration easy?#german #manifold #cantor #mathematics #articles #Germanmathematics #science #analysis #geometry #help #suggestions
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Starts reading 'A contribution to Manifold theory' by Georg Cantor. To learn what he thinks about Dimensions and manifolds. But I don't know German. I am #struggling with it.
Do you have any ideas for making this exploration easy?#german #manifold #cantor #mathematics #articles #Germanmathematics #science #analysis #geometry #help #suggestions
-
Starts reading 'A contribution to Manifold theory' by Georg Cantor. To learn what he thinks about Dimensions and manifolds. But I don't know German. I am #struggling with it.
Do you have any ideas for making this exploration easy?#german #manifold #cantor #mathematics #articles #Germanmathematics #science #analysis #geometry #help #suggestions
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@[email protected] @opensource
Another #GSOC student worked on integrating KTextEditor in #Cantor. This adds to #LabPlot essential features like auto-indent, code completion, and spell check while reducing maintenance and ensuring consistency across backend editors. :boost_love:
#Python #Maxima #R #Julia #Octave #Notebook #Programming #Technology
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@[email protected] @opensource
Another #GSOC student worked on integrating KTextEditor in #Cantor. This adds to #LabPlot essential features like auto-indent, code completion, and spell check while reducing maintenance and ensuring consistency across backend editors. :boost_love:
#Python #Maxima #R #Julia #Octave #Notebook #Programming #Technology
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@[email protected] @opensource
Another #GSOC student worked on integrating KTextEditor in #Cantor. This adds to #LabPlot essential features like auto-indent, code completion, and spell check while reducing maintenance and ensuring consistency across backend editors. :boost_love:
#Python #Maxima #R #Julia #Octave #Notebook #Programming #Technology
-
@[email protected] @opensource
Another #GSOC student worked on integrating KTextEditor in #Cantor. This adds to #LabPlot essential features like auto-indent, code completion, and spell check while reducing maintenance and ensuring consistency across backend editors. :boost_love:
#Python #Maxima #R #Julia #Octave #Notebook #Programming #Technology