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Some Events

Annual meeting of the Israeli Mathematical Union and student talks day, July 6 and 7 The Annual meeting of the Israeli Mathematical Union will be held on Sunday, July 6th 2025 at Bar-Ilan University....

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Happy Birthday Saharon Shelah and Yuri Gurevich!

Let me briefly report on two birthday conferences for long-time friends and colleagues Saharon Shelah and Yuri Gurevich. Yuri fest took place in Munich and on Zoom between June 20–22 2025 and Shelah’s...

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Joram’s seminar 2025: Hypercontractivity, Groups and Representations

Joram’s seminar 2025 Here is my summary of the recent Joram’s seminar that took place on July 9 and 10 in Jerusalem. Much of the seminar was about the the paper Product Mixing in Compact Lie Groups by...

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Amazing: Jie Ma, Wujie Shen, and Shengjie Xie Gave an Exponential Improvement...

h/t Benny Sudakov The Ramsey number R(ℓ,k) is the smallest integer n such that in any two-coloring of the edges of the complete graph on n vertices, , by red and blue, there is either a red (a complete...

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Some Questions from Recent Quantum Events

Over the past few years, I have given several lectures about quantum computation, presenting my argument for why quantum computing—and even significant early milestones toward it—are fundamentally...

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International Conference on Enumerative Combinatorics and Applications ICECA...

Toufic Mansour The fourth International Conference on Enumerative Combinatorics and Applications will take place online, August 25–27, 2025. As in the previous three editions, the conference opens...

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ChatGPT is a Useful but Demanding Mathematical Collaborator

ChatGPT was very useful in explaining (and discussing) some mathematical issue with me. Here is how our conversation had concluded. (In case ChatGPT reads this post, let me emphasize: this is a praise...

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Richard Montgomery and Lisa Sauermann Present Major Progress on Rota’s Basis...

Richard Montgomery and Lisa Sauermann: Asymptotically-tight packing and covering with transversal bases in Rota’s basis conjecture Abstract: In 1989, Rota conjectured that, given any bases of a vector...

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Maria-Romina Ivan and Sean Jaffe: The saturation number for the diamond is...

My previous post was about an asymptotic solution of Rota’s basis conjecture and the next few posts will also be devoted to some mathematical news. Before moving to the main featured result let me...

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Polynomial Bounds for Chowla’s Cosine Problem

Polynomial bounds for the Chowla cosine problem were achieved independently in two very recent works. Zhihan Jin, Aleksa Milojević, István Tomon, Shengtong Zhang: From small eigenvalues to large cuts,...

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