Monthly Archives: July 2025

Some Questions from Recent Quantum Events

Posted on July 30, 2025 by Gil Kalai

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 impossible. Recently, I participated in a debate with Matthias Christandl on the possibility … Continue reading →

Posted in Computer Science and Optimization, Controversies and debates, Physics, Quantum | Tagged , , | 7 Comments

Amazing: Jie Ma, Wujie Shen, and Shengjie Xie Gave an Exponential Improvement for Ramsey Lower Bounds

Posted on July 23, 2025 by Gil Kalai

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 graph … Continue reading →

Posted in Combinatorics, Geometry, Probability, Updates | Tagged , , | 8 Comments

Joram’s seminar 2025: Hypercontractivity, Groups and Representations

Posted on July 15, 2025 by Gil Kalai

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 David Ellis, … Continue reading →

Posted in Algebra, Combinatorics, Computer Science and Optimization, Conferences | Tagged , , , , , , , | 6 Comments

Happy Birthday Saharon Shelah and Yuri Gurevich!

Posted on July 7, 2025 by Gil Kalai

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 birthday conference will be held in Vienna … Continue reading →

Posted in Combinatorics, Computer Science and Optimization, Happy birthday, Logic and set theory, People, Quantum, Updates | Tagged , , | Leave a comment

Some Events

Posted on July 2, 2025 by Gil Kalai

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. The main speakers will be Elon … Continue reading →

Posted in Conferences, Updates | 2 Comments