9,096 reputation
11111196
bio website gilkalai.wordpress.com
location Jerusalem
age 59
visits member for 5 years, 1 month
seen 13 hours ago
Professor of Mathematics at the Hebrew University of Jerusalem and at Yale University

Dec
9
answered Generalizations of the Four-Color theorem
Dec
7
asked Generalizations of the Four-Color theorem
Jul
23
answered Rediscovery of lost mathematics
Jun
27
answered What precisely Is “Categorification”?
Apr
28
asked Grassmann-Plücker relations for permanents
Apr
28
asked A question about pairs of lines in 3D projective space
Apr
23
answered Why was John Nash's 1950 Game Theory paper such a big deal?
Mar
27
answered What have simplicial complexes ever done for graph theory?
Dec
24
answered Examples of major theorems with very hard proofs that have NOT dramatically improved over time
Dec
22
asked Ultrafilter-based Fourier-Walsh-like Functions
Dec
22
answered Examples of major theorems with very hard proofs that have NOT dramatically improved over time
Dec
21
answered Is Euclid dead?
Dec
21
answered Examples of major theorems with very hard proofs that have NOT dramatically improved over time
Dec
20
asked Examples of major theorems with very hard proofs that have NOT dramatically improved over time
Dec
9
answered Horst Knörrer's Permutation Cancellation Problem
Nov
20
answered Does Zhang's theorem generalize to $3$ or more primes in an interval of fixed length?
Nov
12
answered How to check whether a positive integer can be written as linear combination of given others, where all coefficients are positive?
Nov
10
answered Examples of theorems with proofs that have dramatically improved over time
Oct
16
answered Random vs Unknown
Oct
13
answered Is there a Plancherel Theorem for Gowers norms?