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- Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
- Amazing: Justin Gilmer gave a constant lower bound for the union-closed sets conjecture
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- Quantum Computers: A Brief Assessment of Progress in the Past Decade
- A Nice Example Related to the Frankl Conjecture
- Amazing: Karim Adiprasito proved the g-conjecture for spheres!
- The Trifference Problem
- Aubrey de Grey: The chromatic number of the plane is at least 5
- Sarkaria's Proof of Tverberg's Theorem 1
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Tag Archives: Laci Lovasz
Extremal Combinatorics V: POSETS
This is the remaining post V on partially ordered sets of my series on extremal combinatorics (I,II,III,IV,VI). We will talk here about POSETS – partially ordered sets. The study of order is very important in many areas of mathematics starting … Continue reading
Building Bridges II, and Rio ICM 2018
In this post I will talk about Building Bridges II – last week conference in Budapest, about my talk and Lex Schrijver’s talk at the conference, about two old videotaped lectures in Microsoft Research (and a prize carrying competition), and … Continue reading
Mabruk Elon, India, and More
I am starting this post in Jaipur. My three children are watching a movie in our Jaipur hotel room and I watch them while I begin to write this post. Hagai is in the middle of a long-planned three-month trip … Continue reading
Lovasz’s Two Families Theorem
Laci and Kati This is the first of a few posts which are spin-offs of the extremal combinatorics series, especially of part III. Here we talk about Lovasz’s geometric two families theorem. 1. Lovasz’s two families theorem Here … Continue reading
Posted in Combinatorics, Convexity, Open problems
Tagged exterior algebras, Extremal combinatorics, Laci Lovasz, shellability
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Plans and Updates
Jerusalem and Budapest Monday, last week was the last day of lectures for the spring term here at the Hebrew U. One outcome of the long professors’ strike was a very fruitful year for research seminars. We ran them during … Continue reading