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Recent Posts
- What is mathematics (or at least, how it feels)
- Alef’s Corner
- To cheer you up in difficult times 22: some mathematical news! (Part 1)
- Cheerful News in Difficult Times: The Abel Prize is Awarded to László Lovász and Avi Wigderson
- Amazing: Feng Pan and Pan Zhang Announced a Way to “Spoof” (Classically Simulate) the Google’s Quantum Supremacy Circuit!
- To cheer you up in difficult times 21: Giles Gardam lecture and new result on Kaplansky’s conjectures
- Nostalgia corner: John Riordan’s referee report of my first paper
- At the Movies III: Picture a Scientist
- At the Movies II: Kobi Mizrahi’s short movie White Eye makes it to the Oscar’s short list.
Top Posts & Pages
- To cheer you up in difficult times 21: Giles Gardam lecture and new result on Kaplansky's conjectures
- To cheer you up in difficult times 5: A New Elementary Proof of the Prime Number Theorem by Florian K. Richter
- What is mathematics (or at least, how it feels)
- The Argument Against Quantum Computers - A Very Short Introduction
- Extremal Combinatorics VI: The Frankl-Wilson Theorem
- Cheerful News in Difficult Times: The Abel Prize is Awarded to László Lovász and Avi Wigderson
- Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
- Yael Tauman Kalai's ICM2018 Paper, My Paper, and Cryptography
- 8866128975287528³+(-8778405442862239)³+(-2736111468807040)³
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Category Archives: Art
Updates (belated) Between New Haven, Jerusalem, and Tel-Aviv
This is a (very much) belated update post from the beginning of March (2016). New Haven I spent six weeks in February (2016) in New Haven. It was very nice to get back to Yale after more than two years. Here … Continue reading
Carmella Kalai (1926-2015)
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).
Ann Lehman’s Sculpture Based on Herb Scarf’s Maximal Lattice Free Convex Bodies
Maximal lattice-free convex bodies introduced by Herb Scarf and the related complex of maximal lattice free simplices (also known as the Scarf complex) are remarkable geometric constructions with deep connections to combinatorics, convex geometry, integer programming, game theory, fixed point computations, … Continue reading
Posted in Art, Computer Science and Optimization, Economics, Games
Tagged Ann Lehman, Herb Scarf
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Updates, Boolean Functions Conference, and a Surprising Application to Polytope Theory
The Debate continues The debate between Aram Harrow and me on Godel Lost letter and P=NP (GLL) regarding quantum fault tolerance continues. The first post entitled Perpetual motions of the 21th century featured mainly my work, with a short response by Aram. … Continue reading
Rodica Simion: Immigrant Complex
Rodica Simion immigrated to the United States from Romania. She was a Professor of Mathematices at George Washington University untill her untimely death on January 7, 2000. Her poem “Immigrant complex” appeared in : “Against Infinity”, An Anthology of Contemporary … Continue reading
More Art: Tami’s Autoportrait
And in my office, there is a beautiful autoportrait by my sister Tamar Kalai. (Click for a deatiled picture.)
Our Department’s Quilt
Academic administation is a topic of great interest that desrves a special post. The highest post I served was as the department chair, and one thing I did was to acquire for the department a quilt by the artist Anna Maria … Continue reading