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- Amazing: Justin Gilmer gave a constant lower bound for the union-closed sets conjecture
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- Amazing: Justin Gilmer gave a constant lower bound for the union-closed sets conjecture
- Amazing: Jinyoung Park and Huy Tuan Pham settled the expectation threshold conjecture!
- Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
- Quantum Computers: A Brief Assessment of Progress in the Past Decade
- A Nice Example Related to the Frankl Conjecture
- The Trifference Problem
- Aubrey de Grey: The chromatic number of the plane is at least 5
- Sarkaria's Proof of Tverberg's Theorem 1
- Amazing: Karim Adiprasito proved the g-conjecture for spheres!
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Monthly Archives: May 2021
To Cheer You Up in Difficult times 24: Borodin’s colouring conjecture!
An acyclic colouring of a graph is a colouring of its vertices so that the subgraph spanned on union of every two colour classes is acyclic (a forest). Grunbaum conjectured in 1973 that Every planar graph has acyclic colouring with … Continue reading
To cheer you up in difficult times 25: some mathematical news! (Part 2)
Topology Quasi-polynomial algorithms for telling if a knot is trivial Marc Lackenby announced a quasi-polynomial time algorithm to decide whether a given knot is the unknot! This is a big breakthrough. This question is known to be both in NP … Continue reading
Posted in Algebra, Combinatorics, Geometry, Number theory
3 Comments
To cheer you up in difficult times 23: the original hand-written slides of Terry Tao’s 2015 Einstein Lecture in Jerusalem
In 2015 Terry Tao gave the Einstein lecture of the Israeli Academy for Science and Humanities. We got hold of the original signed hand-written slides of Terry’s lecture and we are happy to share them with you. The title of … Continue reading
Posted in Analysis, Applied mathematics, Computer Science and Optimization, Physics, What is Mathematics
Tagged Terence Tao
1 Comment
Alef Corner: ICM2022
Alef’s new piece for ICM 2022 will surely cheer you up!