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#theoretical — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #theoretical, aggregated by home.social.

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  1. The idea of “theories of everything” may be fundamentally wrong All attempts at "unification" or "theories of everything" necessarily add new particles and new ingredients to the theory. Is this a fundamentally flawed approach? bigthink.com/starts-with-... #physics #fundamental #theoretical

    The idea of "theories of every...

  2. #seminar alert! ⏰

    Next Tuesday, Frank Hilker from the University of Osnabrück will give a talk in our Ecology Colloquium entitled

    "To connect or not connect isolated patches: Total population abundance and failed rescue effects in fragmented landscapes".

    Everyone welcome, either in person or via Zoom, the more the merrier! 😀

    #Theoretical Ecology #YoMos
    #EcologicalModelling #ecoevo #metapopulation

  3. All young #CS and #IT practitioners should study, in-depth, at least the following #programming paradigms and pillar languages:

    Imperative:
    • Mechanical—Forth
    • Procedural—C
    • Objective—Smalltalk

    Declarative:
    • Functional—ML
    • Relational—SQL
    • Logical—Prolog

    Theoretic:
    • Computability—𝜆-Calculus
    • Polymorphic—Hindley-Milner
    • Dependent—Martin-Löf

    The above is only "my" short-list. Every experienced programmer has "his" short-list of favourites. Regardless, dedicating oneself to the study of one such short-list would equip a young technologist with both practical and theoretical foundations for the rest of his career—provided he does not switch into the MBA lane, upon the first opportunity.

    There is a caveat, though. Each of the above subjects stands atop decades of #theoretical research and #practical advances in #computing. For example, Forth, perhaps the simplest one of the lot, could be viewed as a programmer-readable summary of computing history, from von Neumann's seminal paper (1945) at least up to ANSI Forth (1994). And Martin-Löf intuitionistic type theory (1972), arguably the most complex of the lot, was created with the aim to serve as a new foundation of mathematics, possibly reaching back to Euclid. Dependent type theory, even after more than half-a-century, is still a vibrant (HoTT, as it were) research area.

    It is plain to see that "mastery" of computing is an endeavour that demands more than life-and-a-half of dedication. So, none of us are true masters thereof. Indeed, for most of us, just to become barely competent in this field requires a careerlong dedication. Hence, the admonition against switching lanes.

    Oh and, #practice maybe careerlong, but #learning is lifelong.

  4. Martin Hinz, Jan Kolář, and co-authors investigate current intersections between #theoretical & #computationalarchaeology & propose a #framework for maintaining these 2 domains’ “shared goal of interpreting the human past.” @jankolararchaeo.bsky.social

    Read more in their recent FirstView article:
    cambridge.org/core/journals/ad

  5. The review of an #esoteric tome on #continuations blunders on like an over-caffeinated grad student's fever dream 💤💻. The author can't decide if it's groundbreaking or a $100 paperweight 📚❓. Spoiler: it has no exercises - because who needs practice when you've got #theoretical #ramblings, right? 🤷‍♂️
    swatson555.github.io/posts/202 #literature #HackerNews #gradstudent #HackerNews #ngated

  6. The argument against the existence of a Theory of Everything Many theoretical physicists are on a quest to find the "holy grail" of physics: a theory of everything. But perhaps we should listen when the Universe tells us, "this is NOT the way." bigthink.com/starts-with-... #physics #theoretical

    The argument against the exist...

  7. How We’re Reaching The #Theoretical Limit of #Computer #Power : Medium

    #MaunaLoa #Observatory captured the reality of #ClimateChange. The US plans to shut it down : Misc

    MIT engineers print synthetic “metamaterials” that are both strong and stretchy : MIT

    Check our latest #KnowledgeLinks

    knowledgezone.co.in/resources/

  8. New paper from our lab is published now in Theoretical Ecology! 📰
    Lilla Kiss @likiss and Toni Klauschies write on: "Consumer coexistence through the gleaner–opportunist trade-off in the light of sigmoidal functional responses"

    Go read it here:
    link.springer.com/article/10.1

    #theoretical #ecology #modelling #functionalresponse #coexistence #TradeOff #phdchat

  9. 🎉 Oh look, another article where someone writes a thesis on how they *totally* could have caught a #backdoor using their favorite niche OS—because #hindsight is 20/20 and #NixOS is the new superhero cape. 🦸‍♂️🔍 Meanwhile, the rest of the world continues using xz obliviously, because who needs practical #solutions when you have #theoretical ones? 🙄
    luj.fr/blog/how-nixos-could-ha #Practicality #HackerNews #HackerNews #ngated

  10.  
    The Amazing History of #Locality in #Theoretical #Physics

    #Philosopher #DavidAlbert rambles (his word) for ½ hour on the often gripping (and #funny) #saga of #nonlocality in #scientific #thought. Starting with #fish, he ushers us along to #Bell's #Theorem in the 1960s. It seems we are "inescapably" in the age of nonlocality. Perhaps an age of #TimeTravelers?

    🔗 youtube.com/watch?v=y_GM12xjBW 2023 Oct 25
    🔗 en.wikipedia.org/wiki/Bell%27s

    #Community #TimeTravel #Research #Newton #quantum #gravity #Kronodon

  11. #Zoomposium interview with Prof. Dr. #Holger #Lyre": Conscious #structures or structures for #consciousness?"

    A Zoomposium interview with Prof. Dr. Holger Lyre, renowned German philosopher of #science and professor of #theoretical #philosophy at the University of Magdeburg, where he has also been a member of the Center for #Behavioral #Brain #Sciences (CBBS) since 2010.

    More on: philosophies.de/index.php/2022

    or: youtu.be/Q8KummjugNw

  12. @djb (Daniel J. Bernstein) tooted about a new blog post[1] he published. It's here:
    blog.cr.yp.to/20250118-flight.

    It's interesting. He's a #mathematician and software guy that in more recent years has been known mostly for his work in #cryptography, #theoretical and #practical. You're probably using his #Curve25519 every day in your #communications.

    I'm not a mathematician (by a long shot), but it's written in a pretty accessible manner - it's not #formulae and #turgid academic #prose.

    The central point he's getting at, by my possibly-mistaken understanding of it, is that current "common sense" about when attacks against pre-quantum cryptography like #RSA (and therefore when post-quantum cryptography becomes critical) are badly mistaken - based on bad assumptions about how attacks work, how they're implemented, and on badly #extrapolating from those bad assumptions using logic that doesn't actually represent the way attacks are developed and become practical.

    TL;DR is something along the lines of "#quantum cryptographic attacks against RSA will be practical sooner than most people think, and you should be deploying quantum-resistant cryptography now, not later".

    It's worth reading if you're at all interested in #crypto and #security stuff.

    He also mentions a project he's involved in that has been discussed separately, transparent post-quantum tunnelling for unmodified #server and #client #software. Link in post.

    [1] Written more like a conference presentation, FWIW.

  13. Theoretical Physicist Michael Vera is the author of 'The #Unified #Theory of #Energy'.
    @michaelvera's work is available on the #web and as a #PDF.

    Vera has been a gentle critic of The #KrononautMoon Project. We encourage all civil discourse. One's belief in Time Travel is not a prerequisite when attempting #contact with #TimeTravelers.

    🔗 MichaelVera.org/Unified_Theory 2020 Apr 20
    🔗 MichaElvera.org

    #Community #TimeTravel #Research #theoretical #physics #energyfields #cosmology #Kronodon

  14. #Theoretical #physicist Sabine #Hossenfelder: "We’ve Been Searching For #Aliens All Wrong, #Researchers Say (and they have a point)"

    ❛❛ #Civilizations need #energy to expand. You’ve probably heard of the #Kardashev scale, which classifies civilizations based on their ability to generate and use energy (if you’re interested, #humans are barely on the scale). A new paper has shaken up that scale ❜❜ (with ad 7 min.)

    🔗 youtube.com/watch?v=nQm6JC4ruE 2024 Nov 27
    🔗 Wikipedia.org/wiki/Sabine_Hoss

    #Kronodon