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Test Your Intuition 55: The Case of Two Screening Tests

Here is a great question invented by Michele Piccione and Ariel Rubinstein. (Let me use this opportunity to recommend their mind boggling 1997 paper on the absent-minded driver.) The question (TYI 55)...

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Five Perspectives on Quantum Supremacy

  “Quantum supremacy is important both in its own right and as a benchmark or step toward something further. But my theory is that quantum supremacy cannot be achieved, and this is based on analysis...

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Test Your Intuition 56: Fifteen Boxes Puzzle

Andrew and Barbara are playing a game. Fifteen boxes are arranged in a 3-by-5 grid, labeled with the letters A through O, as shown below. A B C D E F G H I J K L M N O The organizers of the game have...

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Two Events

Israeli Mathematical Union annual meeting and student talks day, Sunday and Monday, September 8 – 9, 2024. The Annual meeting of the Israeli Mathematical Union will be held on Sunday, September 8th...

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Pictures from Our 2024 Annual Meeting of the Israel Mathematical Union and...

To me and to many mathematicians in Israel, the Annual meeting of the Israeli Mathematical Union is a dear event and we try to take part. (Here we briefly described the 2017 meeting in Acre, and here...

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Timothy Chow’s Amazing Fifteen Boxes Puzzle (TYI 56)

TYI56 asked the following question of Timothy Chow: You have fifteen boxes labelled with the English letters from A to O. Two identical prizes are placed in two (distinct) boxes chosen at random....

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Viterbo’s conjecture was refuted by Pazit Haim-Kislev and Yaron Ostrover

Viterbo conjecture – refuted Claude Viterbo’s 2000 volume-capacity conjecture asserts that the Euclidean (even dimensional) ball maximizes  (every) symplectic capacity  among convex bodies of the same...

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Celebrating Irrationality: Frank Calegari, Vesselin Dimitrov, and Yunqing...

There are very many irrational numbers but proving irrationality of a specific number is not a common event. A few weeks ago Frank Calegari, Vesselin Dimitrov, and Yunqing Tang posted a paper that...

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Time for Peace (Song)

“Time for Peace” (זמן לשלום), Lyrics: Amnon Abutbul, Yair Dalal, Fathi Kasem; Melody: Amnon Abutbul. Performing Shlomit Aharon and Yevgeni Shapovalov. This year I had the rare event that the new Jewish...

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Moshe Vardi: What is Theoretical Computer Science?

Moshe Vardi wrote a short interesting essay “What is theoretical computer science?” (It followed by interesting posts on Facebook.) Moshe argues that Thinking of theoretical computer science (TCS) as...

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