Bogdan Grechuk
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    • Bogdan Grechuk
    • 21 Jan 2026
    • 1 category
      • Recent developments

    On the solubility of the negative Pell equation

    • Bogdan Grechuk
    • 16 Jan 2026
    • 1 category
      • Favorite theorems

    On the zero set of linear recurrences

    • Bogdan Grechuk
    • 13 Jan 2026
      • created 13 Jan 2026 15:09
      • updated 14 Jan 2026 08:51
    • 1 category
      • Recent developments

    The hottest and coldest points on a triangle

    • Bogdan Grechuk
    • 12 Jan 2026
    • 1 category
      • Recent developments

    Squaring the circle with Jordan measurable pieces

    • Bogdan Grechuk
    • 10 Jan 2026
      • created 10 Jan 2026 10:16
      • updated 10 Jan 2026 10:56
    • 1 category
      • Recent developments

    Exponentially better Ramsey upper bounds

    • Bogdan Grechuk
    • 9 Jan 2026
      • created 9 Jan 2026 10:19
      • updated 9 Jan 2026 10:20
    • 1 category
      • Favorite theorems

    Cycle decompositions of complete graphs

    • Bogdan Grechuk
    • 8 Jan 2026
      • created 8 Jan 2026 10:01
      • updated 10 Jan 2026 08:51
    • 1 category
      • Recent developments

    Diophantine approximation on fractal sets

    • Bogdan Grechuk
    • 7 Jan 2026
    • 1 category
      • Recent developments

    The density version of Hindman’s finite sums theorem

    • Bogdan Grechuk
    • 6 Jan 2026
      • created 6 Jan 2026 12:15
      • updated 9 Jan 2026 09:25
    • 1 category
      • Seminar announcements

    Boaz Klartag’s talk on Sphere packing

    • Bogdan Grechuk
    • 5 Jan 2026
      • created 5 Jan 2026 11:18
      • updated 9 Jan 2026 09:16
    • 1 category
      • Recent developments

    The three dimensional Kakeya conjecture is true

    • Bogdan Grechuk
    • 4 Jan 2026
      • created 4 Jan 2026 11:44
      • updated 9 Jan 2026 09:10
    • 1 category
      • Recent developments

    The congruent number problem, and Goldfeld’s conjecture

    • Bogdan Grechuk
    • 3 Jan 2026
    • 1 category
      • Recent developments

    Almost all Markoff numbers are composite

    • Bogdan Grechuk
    • 2 Jan 2026
      • created 2 Jan 2026 10:58
      • updated 9 Jan 2026 09:06
    • 1 category
      • Favorite theorems

    The Modularity Theorem

    • Bogdan Grechuk
    • 2 Jan 2026
      • created 2 Jan 2026 09:42
      • updated 16 Jan 2026 10:57
    • 1 category
      • Favorite theorems

    My favorite theorems

    • Bogdan Grechuk
    • 1 Jan 2026
      • created 1 Jan 2026 09:07
      • updated 9 Jan 2026 09:01

    A blog about great math theorems

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