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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 21: Giles Gardam lecture and new result on Kaplansky's conjectures
- The Argument Against Quantum Computers - A Very Short Introduction
- Possible future Polymath projects (2009, 2021)
- 8866128975287528³+(-8778405442862239)³+(-2736111468807040)³
- TYI 30: Expected number of Dice throws
- Photonic Huge Quantum Advantage ???
- Jean
- ICM 2018 Rio (3) - Coifman, Goldstein, Kronheimer and Mrowka, and the Four Color Theorem
- Dan Romik on the Riemann zeta function
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Monthly Archives: January 2014
Joel David Hamkins’ 1000th MO Answer is Coming
Updates (May 2014): The second MO contributor to answer 1000 questions is another distinguished mathematician (and a friend) Igor Rivin. In summer 2015 David Speyer joined the club. (May 2018) Igor is the first MO user to have 2000 posts (Questions+Answers)! … Continue reading
Amazing: Peter Keevash Constructed General Steiner Systems and Designs
Here is one of the central and oldest problems in combinatorics: Problem: Can you find a collection S of q-subsets from an n-element set X set so that every r-subset of X is included in precisely λ sets in the collection? … Continue reading
Posted in Combinatorics, Open problems
Tagged Combinatorics, Designs, Oberwolfach, Peter Keevash
16 Comments
Many Short Updates
Things in Berkeley and later here in Jerusalem were very hectic so I did not blog much since mid October. Much have happened so let me give brief and scattered highlights review. Two “real analysis” workshops at the Simons Institute … Continue reading
Posted in Conferences, Updates
5 Comments