Recent Comments

Recent Posts
 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
RSS
Category Archives: personal
Alef’s Corner
After Picasso 1955. Happy Passover to all our readers. More from Alef’s corner
Nostalgia corner: John Riordan’s referee report of my first paper
In 1971/1972 academic year, I was an undergraduate student at the Hebrew University of Jerusalem and toward the end of the year I wrote a paper about Abel’s sums. I sent it to John Riordan the author of the books … Continue reading
Posted in Combinatorics, personal
Tagged Abel sums, John Riordan, Niels Henrik Abel, refereeing
7 Comments
At the Movies II: Kobi Mizrahi’s short movie White Eye makes it to the Oscar’s short list.
Update: White eye have made it to the list of five Oscar candidates! Congratulations! My nephew Kobi Mizrahi is a well known movie producer and it was just announced that his short film “White eye” (עין לבנה) made it to … Continue reading
TYI38 Lior Kalai: Monty Hall Meets Survivor
For breaking news, scroll down. Lior Kalai: Survivor Meets the Monty Hall Puzzle We start with the classical question and go on with a new version contributed by my son Lior. Update: A few brief comments on the original problem … Continue reading
Posted in personal, Probability, Riddles, Test your intuition, Women in science
Tagged Karen Uhlenbeck, Lior Kalai, Monty Hall problem, Survivor
4 Comments
AfterDinner Speech for Alex Lubotzky
An afterdinner speech given on November 9, 2016*, on Alex Lubotzky’s 60th birthday conference: 60 faces to Groups. As we all realized waking up this morning, today is a historic day*. It is the dinner day for Alex 60th‘s … Continue reading
Edmund Landau and the Early Days of the Hebrew University of Jerusalem
Some personal/historical remarks in first minutes of my lecture at 7ECM on July 2016… GermanJewish mathematicians in the early days of the Hebrew University of Jerusalem Being invited to give a plenary lecture at the 7ECM was a great honor … Continue reading
Carmella Kalai (19262015)
My beloved mother Carmella Kalai passed away last week. With me, 1956 My father Hanoch Kalai, my mother Carmella, My sister Tamar (Tami) and me around 1957).
Ilan and me
With Ilan, my four month old grandson