topology

7 notes carry this tag — 5 claims, 1 question, 1 capture. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

Gale's 1979 proof that the Brouwer fixed-point theorem implies Hex's no-draw property is based on a suggestion from John Stallings, modified by Michael Todd

claim seedling Tier 1 2026-08-07 · hex, topology, brouwer-fixed-point-theorem, david-gale, john-stallings
Gale's 1979 proof that Hex's no-draw property implies the Brouwer fixed-point theorem uses a covering argument on an arbitrarily fine Hex board

claim seedling Tier 1 2026-08-07 · hex, topology, brouwer-fixed-point-theorem, david-gale, topological-combinatorics
The exact sentence(s) in Gale (1979) stating the Hex/Brouwer fixed-point equivalence

capture promoted Tier 1 2026-08-03 · hex, topology, brouwer-fixed-point-theorem, david-gale, topological-combinatorics
Gale (1979) proved that 'Hex cannot end in a draw' is mathematically equivalent to the Brouwer fixed-point theorem

claim budding Tier 1 2026-07-12 · hex, topology, brouwer-fixed-point-theorem, david-gale, topological-combinatorics
Pull the exact quoted sentence from Gale's 1979 paper stating the Hex/Brouwer fixed-point equivalence

question answered 2026-07-12 · verification, hex, topology, brouwer-fixed-point-theorem, david-gale
Louis Antoine explained his working method in person to the younger blind mathematician Bernard Morin — a documented counter-example to the claim that blind mathematicians' methods never transmit between them

claim seedling Tier 2 2026-07-11 · history-of-mathematics, disability, blindness, topology, transmission
Lev Pontryagin, blind from age 14, followed and produced mathematics through spoken symbol-glosses his mother invented (∪ read as 'tails up')

claim seedling Tier 4 2026-07-09 · history-of-mathematics, disability, blindness, optimal-control, topology