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Recent Posts
- To cheer you up in difficult times 21: Giles Gardam lecture and new result on Kaplansky’s conjectures
- Nostalgia corner: John Riordan’s referee report of my first paper
- At the Movies III: Picture a Scientist
- At the Movies II: Kobi Mizrahi’s short movie White Eye makes it to the Oscar’s short list.
- And the Oscar goes to: Meir Feder, Zvi Reznic, Guy Dorman, and Ron Yogev
- Thomas Vidick: What it is that we do
- To cheer you up in difficult times 20: Ben Green presents super-polynomial lower bounds for off-diagonal van der Waerden numbers W(3,k)
- To cheer you up in difficult times 19: Nati Linial and Adi Shraibman construct larger corner-free sets from better numbers-on-the-forehead protocols
- Possible future Polymath projects (2009, 2021)
Top Posts & Pages
- To Cheer You Up in Difficult Times 15: Yuansi Chen Achieved a Major Breakthrough on Bourgain's Slicing Problem and the Kannan, Lovász and Simonovits Conjecture
- To cheer you up in difficult times 21: Giles Gardam lecture and new result on Kaplansky's conjectures
- TYI 30: Expected number of Dice throws
- 8866128975287528³+(-8778405442862239)³+(-2736111468807040)³
- The Argument Against Quantum Computers - A Very Short Introduction
- Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
- Amazing: Zhengfeng Ji, Anand Natarajan, Thomas Vidick, John Wright, and Henry Yuen proved that MIP* = RE and thus disproved Connes 1976 Embedding Conjecture, and provided a negative answer to Tsirelson's problem.
- Possible future Polymath projects (2009, 2021)
- Photonic Huge Quantum Advantage ???
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Monthly Archives: October 2015
Convex Polytopes: Seperation, Expansion, Chordality, and Approximations of Smooth Bodies
I am happy to report on two beautiful results on convex polytopes. One disproves an old conjecture of mine and one proves an old conjecture of mine. Loiskekoski and Ziegler: Simple polytopes without small separators. Does Lipton-Tarjan’s theorem extends to high … Continue reading
Igor Pak’s collection of combinatorics videos
The purpose of this short but valuable post is to bring to your attention Igor Pak’s Collection of Combinatorics Videos
EDP Reflections and Celebrations
The Problem In 1932, Erdős conjectured: Erdős Discrepancy Conjecture (EDC) [Problem 9 here] For any constant , there is an such that the following holds. For any function , there exists an and a such that For any , … Continue reading