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 Ringel Conjecture, Solved! Congratulations to Richard Montgomery, Alexey Pokrovskiy, and Benny Sudakov
 Test your intuition 43: Distribution According to Areas in Top Departments.
 Two talks at HUJI: on the “infamous lower tail” and TOMORROW on recent advances in combinatorics
 Amazing: Zhengfeng Ji, Anand Natarajan, Thomas Vidick, John Wright, and Henry Yuen proved that MIP* = RE and thus disproved Connes 1976 Embedding Conjecture, and provided a negative answer to Tsirelson’s problem.
 Do Not Miss: Abel in Jerusalem, Sunday, January 12, 2020
 The BrownErdősSós 1973 Conjecture
 Tomorrow: Boolean functions day at the TAU theory fest
 The Google Quantum Supremacy Demo and the Jerusalem HQCA debate.
 Four Great Numberphile Graph Theory Videos
Top Posts & Pages
 Ringel Conjecture, Solved! Congratulations to Richard Montgomery, Alexey Pokrovskiy, and Benny Sudakov
 Test your intuition 43: Distribution According to Areas in Top Departments.
 Amazing: Zhengfeng Ji, Anand Natarajan, Thomas Vidick, John Wright, and Henry Yuen proved that MIP* = RE and thus disproved Connes 1976 Embedding Conjecture, and provided a negative answer to Tsirelson's problem.
 TYI 30: Expected number of Dice throws
 R(5,5) ≤ 48
 Amazing: Peter Keevash Constructed General Steiner Systems and Designs
 A sensation in the morning news  Yaroslav Shitov: Counterexamples to Hedetniemi's conjecture.
 Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
 Elchanan Mossel's Amazing Dice Paradox (your answers to TYI 30)
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Category Archives: Physics
Amazing: Zhengfeng Ji, Anand Natarajan, Thomas Vidick, John Wright, and Henry Yuen proved that MIP* = RE and thus disproved Connes 1976 Embedding Conjecture, and provided a negative answer to Tsirelson’s problem.
A few days ago an historic 160page paper with a very short title MIP*=RE was uploaded to the arXive by Zhengfeng Ji, Anand Natarajan, Thomas Vidick, John Wright, and Henry Yuen. I am thankful to Dorit Aharonov and Alon Rosen … Continue reading
Posted in Algebra, Analysis, Combinatorics, Computer Science and Optimization, Physics, Quantum
Tagged Anand Natarajan, Henry Yuen, John Wright, Thomas Vidick, Zhengfeng Ji
11 Comments
Gil’s Collegial Quantum Supremacy Skepticism FAQ
The first 15 samples of Google’s 53 qubit flagship quantum supremacy experiment! After the sensationally successful Scott’s Supreme Quantum Superiority FAQ and Boaz’s inferior classical inferiority FAQ let me add my contribution, explaining my current skeptical view. (I was actually … Continue reading
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
The Argument against Quantum Computers – a CERN Colloquium and a New Paper
Let me announce my CERN colloquium this Thursday, August 22, 2019, 16:3017:30 entitled “The argument against quantum computers.” If you are at CERN or the neighborhood, please please come to the lecture. (Tea and coffee will be served at 16:00. … Continue reading
Posted in Computer Science and Optimization, Physics, Quantum
Tagged CERN, Quantum computers
8 Comments
Conference in Singapore, Vietnam, Appeasement, Restorative Justice, Laws of History, and Neutrinos
Eliezer Rabinovici Some weeks ago I returned from a beautiful trip to Singapore and Vietnam. For both me and my wife this was the first trip to these very interesting countries. In Singapore I took part in a very unusual … Continue reading
Posted in Combinatorics, Conferences, Physics, Updates
Tagged Ada Yonath, appeasment, Atul Parikh, David Gross, Dora Love, Eliezer Rabinovici, IsraelIran relationship, Janet Love, Michal Feldman, Partha Dasgupta, Patrick Geary, Penelope Andrews, Singapore, South Africa, Sue Gilligan, Vietnam, Winston Churchill
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My Argument Against Quantum Computers: An Interview with Katia Moskvitch on Quanta Magazine
Quanta Magazine published an interview with me about quantum computers. It was a pleasure discussing this issue with Katia Moskvitch and I enjoyed also the photo session with David Vaaknin who also took a video of me explaining the importance of … Continue reading
Third third of my ICM 2018 paper – Three Puzzles on Mathematics, Computation and Games. Corrections and comments welcome
Update: Here is a combined version of all three parts: Three puzzles on mathematics computations and games. Thanks for the remarks and corrections. More corrections and comments welcome. Dear all, here is the draft of the third third of my … Continue reading
Posted in Combinatorics, Computer Science and Optimization, Open problems, Physics, Quantum
Tagged ICM2018, Quantum computers
3 Comments
My Very First Book “Gina Says”, Now Published by “World Scientific”
I just received an advanced copy of my very first book: “Gina Says: Adventures in the Blogsphere String War” published by Word Scientific. It is a much changed version compared to the Internet version of 8 years ago and it … Continue reading
Posted in Academics, Mathematics over the Internet, Physics, Updates
Tagged Gina Says, World Scientific
3 Comments
If Quantum Computers are not Possible Why are Classical Computers Possible?
As most of my readers know, I regard quantum computing as unrealistic. You can read more about it in my Notices AMS paper and its extended version (see also this post) and in the discussion of Puzzle 4 from my … Continue reading
Posted in Computer Science and Optimization, Physics, Quantum
Tagged Guy Kindler, Quantum computers
6 Comments
The Race to Quantum Technologies and Quantum Computers (Useful Links)
One of my main research directions in the last decade is quantum information theory and quantum computers. (See this post and this one.) It is therefore a pleasure to report and give many links on the massive efforts carried out these … Continue reading