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Monthly Archives: June 2010
הסטודנטיות כצנזור
עדכון (4 ליולי 2010): בית הדין הארצי לעבודה ביטל את פסק הדין של בית המשפא האזורי ונתן מעמד של פסק דין לפשרה שהושגה בין ד”ר חנה קהת לבין מכללת אורות ואשר מסדירה את תנאי העסקתה משנת הלימודים הבאה. ראה למטה … Continue reading
The Polynomial Hirsch Conjecture: The Crux of the Matter.
Consider t disjoint families of subsets of {1,2,…,n}, . Suppose that (*) For every , and every and , there is which contains . The basic question is: How large can t be??? Let’s call the answer f(n). … Continue reading
Posted in Combinatorics, Convex polytopes, Open problems, Polymath3
5 Comments
“A Counterexample to the Hirsch Conjecture,” is Now Out
Francisco (Paco) Santos’s paper “A Counterexample to the Hirsch Conjecture” is now out: For some further information and links to the media see also this page. Here is a link to a TV interview. Abstract: The Hirsch Conjecture (1957) … Continue reading
False Beliefs in Mathematics
Test your intuition: For two n by n matrices A and B, is it always the case that tr(ABAB) = tr(ABBA)?
Posted in Mathematics over the Internet, Test your intuition
Tagged Mathoverflow, Test your intuition, Tim Gowers
6 Comments
