Tag Archives: Jeff Kahn

Influence, Threshold, and Noise

  My dear friend Itai Benjamini told me that he won’t be able to make it to my Tuesday talk on influence, threshold, and noise, and asked if I already have  the slides. So it occurred to me that perhaps … Continue reading

Posted in Combinatorics, Computer Science and Optimization, Conferences, Probability, Quantum | Tagged , , , , , , , | 5 Comments

Around Borsuk’s Conjecture 1: Some Problems

Greetings to all! Karol Borsuk conjectured in 1933 that every bounded set in can be covered by sets of smaller diameter. In a previous post I described the counterexample found by Jeff Kahn and me. I will devote a few posts … Continue reading

Posted in Combinatorics, Convexity | Tagged , | 9 Comments

A Little Story Regarding Borsuk’s Conjecture

Jeff Kahn Jeff and I worked on the problem for several years. Once he visited me with his family for two weeks. Before the visit I emailed him and asked: What should we work on in your visit? Jeff asnwered: … Continue reading

Posted in Convexity, Taxi-and-other-stories | Tagged , | 7 Comments

Nati’s Influence

When do we say that one event causes another? Causality is a topic of great interest in statistics, physics, philosophy, law, economics, and many other places. Now, if causality is not complicated enough, we can ask what is the influence one event has … Continue reading

Posted in Combinatorics, Computer Science and Optimization, Open problems, Probability | Tagged , , , , , , , , , | 19 Comments