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 A Nice Example Related to the Frankl Conjecture
 Amazing: Justin Gilmer gave a constant lower bound for the unionclosed sets conjecture
 Barnabás Janzer: Rotation inside convex Kakeya sets
 Inaugural address at the Hungarian Academy of Science: The Quantum Computer – A Miracle or Mirage
 Remarkable: “Limitations of Linear CrossEntropy as a Measure for Quantum Advantage,” by Xun Gao, Marcin Kalinowski, ChiNing Chou, Mikhail D. Lukin, Boaz Barak, and Soonwon Choi
 James Davies: Every finite colouring of the plane contains a monochromatic pair of points at an odd distance from each other.
 Bo’az Klartag and Joseph Lehec: The Slice Conjecture Up to Polylogarithmic Factor!
 Alef’s Corner: “It won’t work, sorry”
 Test Your intuition 51
Top Posts & Pages
 Amazing: Justin Gilmer gave a constant lower bound for the unionclosed sets conjecture
 A Nice Example Related to the Frankl Conjecture
 The Möbius Undershirt
 R(5,5) ≤ 48
 Amazing: Jinyoung Park and Huy Tuan Pham settled the expectation threshold conjecture!
 Remarkable: "Limitations of Linear CrossEntropy as a Measure for Quantum Advantage," by Xun Gao, Marcin Kalinowski, ChiNing Chou, Mikhail D. Lukin, Boaz Barak, and Soonwon Choi
 Gödel, Hilbert and Brouwer
 Why are Planar Graphs so Exceptional
 To cheer you up in difficult times 11: Immortal Songs by Sabine Hossenfelder and by Tom Lehrer
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Category Archives: Teaching
Three games to cheer you up.
Here are three cool games prepared by students of my 2020 Game Theory class. Enjoy! (More games will come later. See this post for an earlier game.) Fourin arow with HEX board by: Daniella Drori, Margot Guetta, Eyal Magen and … Continue reading
Posted in Games, Teaching
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Harsanyi’s Sweater
Today is the Holocaust Remembrance Day in Israel. Here is a moving story from the paper about John Harsanyi, Harsanyi’s Sweater, by Robert J. Aumann. It is 1944 in Budapest, and John is in his early twenties. He has been … Continue reading
Game Theory – online Course at IDC, Herzliya
Game theory, a graduate course at IDC, Herzliya; Lecturer: Gil Kalai; TA: Einat Wigderson, ZOOM mentor: Ethan. Starting Tuesday March 31, I am giving an online course (in Hebrew) on Game theory at IDC, Herzliya (IDC English site; IDC Chinese … Continue reading
Posted in Combinatorics, Computer Science and Optimization, Economics, Games, Rationality, Teaching
Tagged Game theory, Games
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Starting today: Kazhdan Sunday seminar: “Computation, quantumness, symplectic geometry, and information”
Sunday, 27 October, 2019 – 14:00 to 16:00 Repeats every week every Sunday until Sat Feb 01 2020 Location: Ross 70 See also: Seminar announcement; previous post Symplectic Geometry, Quantization, and Quantum Noise. The Google supremacy claims are discussed (with … Continue reading
Two Important Quantum Announcements!
I am very happy to announce two quantum events. First, I would like to announce a course “Computation, quantization, symplectic geometry, and information” in the first 2019/2020 semester at the Hebrew University of Jerusalem (HUJI). The course will by on … Continue reading
Bob Sedgewick’s Free Online Courses on Analysis of Algorithms and Analytic Combinatorics.
Philippe Flajolet 19482011 I am happy to forward the announcement on two free online courses (Mooks) by Bob Sedgewick Analysis of Algorithms and Analytic Combinatorics. Analysis of Algorithms page provides access to online lectures, lecture slides, and assignments for … Continue reading
International mathematics graduate studies at the Hebrew University of Jerusalem
I am very happy to announce that a Ph. D program in mathematics for international students at the Hebrew University of Jerusalem is now open. Here is the link to the home page. About the program The Einstein Institute of … Continue reading
Posted in Academics, Teaching, Updates
Tagged Einstein Institute of Mathematics, Graduate program, Updates
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Math and Physics Activities at HUJI
Between 1115 of September 2016 there will be a special mathematical workshop for excellent undergraduate students at the Hebrew University of Jerusalem. In parallel there will also be a workshop in physics. These workshops are aimed for second and third … Continue reading
Analysis of Boolean Functions – Week 7
Lecture 11 The Cap Set problem We presented Meshulam’s bound for the maximum number of elements in a subset A of not containing a triple x,y,x of distinct elements whose sum is 0. The theorem is analogous to Roth’s theorem … Continue reading
Posted in Combinatorics, Computer Science and Optimization, Teaching
Tagged Cap set problem, Codes, Linearity testing
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Analysis of Boolean Functions week 5 and 6
Lecture 7 First passage percolation 1) Models of percolation. We talked about percolation introduced by Broadbent and Hammersley in 1957. The basic model is a model of random subgraphs of a grid in ndimensional space. (Other graphs were considered later as … Continue reading
Posted in Combinatorics, Computer Science and Optimization, Probability, Teaching
Tagged Arrow's theorem, Percolation
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