Category Archives: Updates

Recent and Future Excitements

Posted on May 20, 2009 by

It is very hectic around here and on top of the eight or so regular research seminars at math (and quite a few more at CS) we have many visitors as school terms at the US are over. A week … Continue reading →

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IPAM Fall 2009

Posted on January 20, 2009 by

Combinatorics: Methods and Applications in Mathematics and Computer Science September 8 – December 11, 2009 Scientific overview: Combinatorics is a fundamental mathematical discipline as well as an essential component of many mathematical areas. It studies discrete objects and their properties. … Continue reading →

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Plans and Updates

Posted on August 13, 2008 by

Jerusalem and Budapest       Monday, last week was the last day of lectures for the spring term here at the Hebrew U.  One outcome of the long professors’ strike was a very fruitful year for research seminars. We ran them during … Continue reading →

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Pushing Behrend Around

Posted on July 10, 2008 by

Erdos and Turan asked in 1936: What is the largest subset of {1,2,…,n} without a 3-term arithmetic progression? In 1946 Behrend found an example with  Now, sixty years later, Michael Elkin pushed the the factor from the denominator to the enumerator, … Continue reading →

Posted in Combinatorics, Updates | Tagged , , | 10 Comments

Tel-Aviv’s “Jerusalem Beach”

Posted on June 24, 2008 by

  Friday’s evening at the beach Late Friday afternoon, and the “Jerusalem beach” in Tel Aviv is still quite crowded with young and old people, families and singles, tourists, foreign workers and Israelis. The sea is calm and beautiful and the Tel … Continue reading →

Posted in Taxi-and-other-stories, Updates | Tagged , | 5 Comments