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 Jirka
 AviFest, AviStories and Amazing Cash Prizes.
 Polymath 10 post 6: The ErdosRado sunflower conjecture, and the Turan (4,3) problem: homological approaches.
 Polymath 10 Emergency Post 5: The ErdosSzemeredi Sunflower Conjecture is Now Proven.
 Mind Boggling: Following the work of Croot, Lev, and Pach, Jordan Ellenberg settled the cap set problem!
 More Math from Facebook
 The Erdős Szekeres polygon problem – Solved asymptotically by Andrew Suk.
 The Quantum Computer Puzzle @ Notices of the AMS
 Three Conferences: Joel Spencer, April 2930, Courant; Joel Hass May 2022, Berkeley, Jean Bourgain May 2124, IAS, Princeton
Top Posts & Pages
 The Erdős Szekeres polygon problem  Solved asymptotically by Andrew Suk.
 Believing that the Earth is Round When it Matters
 Polymath 10 Emergency Post 5: The ErdosSzemeredi Sunflower Conjecture is Now Proven.
 Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
 Jirka
 Amazing: Peter Keevash Constructed General Steiner Systems and Designs
 Greg Kuperberg: It is in NP to Tell if a Knot is Knotted! (under GRH!)
 A Breakthrough by Maryna Viazovska Leading to the Long Awaited Solutions for the Densest Packing Problem in Dimensions 8 and 24
 Extremal Combinatorics III: Some Basic Theorems
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Category Archives: Uncategorized
Banknotes with Pictures of Mathematicians
Are you aware of any? (current ones? old ones?)
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A Workshop for Advanced Undergraduate Students, Sept 617 2009
סדנא לתלמידי בוגר מצטיינים במתמטיקה מכון איינשטיין למתמטיקה, האוניברסיטה העברית בירושלים יום א’ י”ז אלול – יום ה’ כ”ח אלול תשס”ט 617/9/09 המכון למתמטיקה של האוניברסיטה העברית מזמין תלמידי מתמטיקה מצטיינים המסיימים שנה ב’ או ג’ של … Continue reading
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The Generation Gap
Which is larger, the generation gap between you and your perents or the generation gap between you and your children?
A Proposal Regarding Gilad Shalit
Since an agreement for the release of Gilad Shalit in exchange for the release of Hamas prisoners could not be reached, I propose to initiate negotiations (perhaps with Egyptian help) on the improvement of Gilad Shalit’s captivity conditions. In return … Continue reading
Colloquium at Berlin
I arrived to Berlin for a short visit to give a colloquium talk at the new BMS on Hellytype theorems, and to participate in the Ph. D. committee of Ronald Wotzlaw. (Update: Dr. Ronald Wotzlaw.) Here is an abstract for the … Continue reading
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Bad Advice; An Answer to an Old Trivia Question
A transparency and a lecture using transparencies. (No relation to the advice.) Our bad, worse and worst advice corner Bad – When you give a talk with transparencies or computer presentations, don’t go over the content of the transparencies but rather assume … Continue reading
Stand Clear of The Closing Doors, Please
Do you miss New York City? Here is something to remind you click here click also here (video) One more time? Click here. London lovers, however, say that this is nothing compared to
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Tagged Mind the gap, Missing NYC, New York City, Stay clear of the closing doors
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New Haven (mainly pictures)
] Yale, New Haven I am back in New Haven which have become my home away from home in the last five years. Cappuccino’S and more – Cedar cross Congress, New Haven. Not only that this name is similar … Continue reading
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Tagged New Haven, Three dimensional electron microscopy, Yale, Yoel Shkolinsky
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Surprising Math
1. A pleasant surprise When I worked on the diameter problem for dpolytopes with n facets. I was aiming to prove an upper bound of the form but my proof only gave It was a pleasant surprise to note that . 2. … Continue reading
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