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 Polymath10post 4: Back to the drawing board?
 News (mainly polymath related)
 Polymath 10 Post 3: How are we doing?
 Polymath10, Post 2: Homological Approach
 Polymath10: The Erdos Rado Delta System Conjecture
 Convex Polytopes: Seperation, Expansion, Chordality, and Approximations of Smooth Bodies
 Igor Pak’s collection of combinatorics videos
 EDP Reflections and Celebrations
 Séminaire N. Bourbaki – Designs Exist (after Peter Keevash) – the paper
Top Posts & Pages
 Polymath10post 4: Back to the drawing board?
 Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
 Polymath10: The Erdos Rado Delta System Conjecture
 Believing that the Earth is Round When it Matters
 Polymath 10 Post 3: How are we doing?
 Test Your Intuition (19): The Advantage of the Proposers in the Stable Matching Algorithm
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Category Archives: Updates
News (mainly polymath related)
Update (Jan 21) j) Polymath11 (?) Tim Gowers’s proposed a polymath project on Frankl’s conjecture. If it will get off the ground we will have (with polymath10) two projects running in parallel which is very nice. (In the comments Jon Awbrey gave … Continue reading
Updates and plans III.
Update on the great Noga’s Formulas competition. (Link to the original post, many cash prizes are still for grab!) This is the third “Updates and plans post”. The first one was from 2008 and the second one from 2011. Updates: Combinatorics and … Continue reading
Posted in Combinatorics, Conferences, Updates
6 Comments
NogaFest, NogaFormulas, and Amazing Cash Prizes
Ladies and gentlemen, a conference celebrating Noga Alon’s 60th birthday is coming on January. It will take place at Tel Aviv University on January 1721. Here is the event webpage. Don’t miss the event ! Cash Prizes! The poster includes 15 … 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).
Choongbum Lee proved the BurrErdős conjecture
Let be a graph. The Ramsey number is the smallest such that whenever you color the edges of the complete graph with vertices with two colors blue and red, you can either find a blue copy or a red copy … Continue reading
My Fest
It is a pleasure to announce my own birthday conference which will take place in Jerusalem on June 1516 2015. Here is the meeting’s homepage! The organizers asked me also to mention that some support for accommodation in Jerusalem for the … Continue reading
Posted in Combinatorics, Conferences, Updates
4 Comments
Angry Birds Update
Angry birds peace treaty by Eretz Nehederet Arqade A few years ago I became interested in the question of whather new versions of the computer game “Angry Birds” gradually makes it easier to get high scores. Devoted to the idea of … Continue reading
Two Delightful Major Simplifications
Arguably mathematics is getting harder, although some people claim that also in the old times parts of it were hard and known only to a few experts before major simplifications had changed matters. Let me report here about two recent remarkable simplifications … Continue reading
Election Day
Today is the general election day in Israel, the third since starting this blog (I2009,and II2013). This is an exciting day. For me election is about participation much more than it is about influence and I try not to miss it. … Continue reading
זה הזמן לשינוי
זו הפעם החמשעשרה שבה אצביע והפעם השלישית שאנו נמצאים לפני בחירות מאז שהתחלתי בכתיבת הבלוג. בעבר לא הבעתי בפומבי את הבחירה האישית שלי. עבורי יום הבחירות הוא יום חג, ההכרעות בין תפיסות עולם ואינטרסים מנוגדים אינן קלות, ויש דרכים שונות, … Continue reading