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@blockspins

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Vrijeme pridruživanja: siječanj 2010.

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  1. Prikvačeni tweet
    22. sij 2019.

    Ooh, this is so cool, part of my PhD was on the topology of liquid crystal textures like these! The LC's in this movie are in the "cholesteric nematic" phase: the molecules are rod-shaped and like to line up with each other with a "twist", wiki: 1/n

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  2. proslijedio/la je Tweet
    31. sij

    My student Denis wrote a formal semantics for the French tax code, complete with Coq proof of soundness and SMT queries to uncover unfair tax hikes. PL for fiscal justice!

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    この機構のある1つの点はアステロイドを描いています アステロイドの媒介変数表示は x=cos(θ)^3 y=sin(θ)^3 これでなんとなく仕組みがわかった方もいらっしゃるかも

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  4. 31. sij

    This looks awesome! Congrats to Yujie and Vincenzo; hoping I'll have time to dig into this soon...

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  5. proslijedio/la je Tweet
    26. sij

    Research in Nature shows that metmaterials made from LEGO that exploit a self-dual concept have emergent properties that are not predicted by standard symmetry analysis.

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  6. proslijedio/la je Tweet
    20. sij

    henry wente: geometer & teacher. he left this world today: 20-jan-2020. he's the reason i'm a mathematician.

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  7. proslijedio/la je Tweet
    22. pro 2019.

    New post: Programming and Interactive Proving With Z3Py

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    In our data-driven world, the claim that we don’t have a good way to study something quantitatively may sound shocking. The reality even worse — in many cases we don’t even have the vocabulary to ask meaningful quantitative *questions* about complex socio-technical systems.

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  9. proslijedio/la je Tweet
    30. pro 2019.

    Sooo ... yesterday I claimed that circle inversion transforms any source material into something more beautiful. I might have been wrong about that.

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  10. proslijedio/la je Tweet
    30. pro 2019.

    For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely available! All suitable for 3D printing and research! Enjoy.

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  11. proslijedio/la je Tweet
    19. pro 2019.

    Some generated snow crystals from GAN, based on Wilson Bentley's classic photos. Training is still in progress, slowly slowly. More to come soon!

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  12. proslijedio/la je Tweet
    30. pro 2019.

    here are some (pretty) parametric surfaces that i plotted today

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  13. proslijedio/la je Tweet
    29. pro 2019.

    How do you chop up a tetrahedron into nicely-shaped little cubes? Here's one way, obtained a la symmetric moving frames (). How else can you do it?

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  14. proslijedio/la je Tweet
    27. pro 2019.

    Take a regular tetrahedron of sidelength 1 and on each of its 4 faces, build (externally) a regular tetrahedron sharing that face. The centers of symmetry of these 4 new tetrahedra form another regular tetrahedron. What is its sidelength?

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  15. proslijedio/la je Tweet
    27. pro 2019.
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  16. proslijedio/la je Tweet
    27. pro 2019.

    🚗🅿️ As a driving beginner, I couldn't figure out how to properly park my car in a tight new parking spot. But as a proud geek, I knew just the thing that would help — a mathematical model with an visualization!

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  17. proslijedio/la je Tweet
    20. pro 2019.

    Meet the Hawaiian mapping torus - the mapping torus of the shift map. First singular homology is infinite cyclic generated by inner loop. Can you find the non-trivial elements of H_2? If you look at the image, it might feel H_2 is trivial since there is no "enclosed space!"

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  18. proslijedio/la je Tweet
    20. pro 2019.

    Today, published an exposé by Rodrigo Ochigame (a PhD candidate at MIT) on the invention of "ethical AI" by big tech. Here's why I think it's important to read this piece and share it widely. 1/

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  19. proslijedio/la je Tweet
    17. pro 2019.

    In time for the holidays, an illustration of Rémy's algorithm for generating unbiased random binary trees.

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  20. proslijedio/la je Tweet
    14. pro 2019.

    People are getting better at using with . I'm trying to round up some of the examples of things people like Bryan Gin-ge Chen and Kevin Kappelmann have done over the last few months.

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