I am a research fellow currently in Cambridge (on leave from ELTE Budapest) interested in combinatorics, complexity theory and combinatorial geometry.
34 Can we color Z^+ with n colors such that a, 2a, …, na all have different colors for all a? May 29 '10
25 Is there a finite family of functions such that the max of any two functions can be dominated by a third? Nov 10 '13
21 Red-blue alternating paths Jan 20 '10
18 What is the best lower bound for 3-sunflowers? Apr 17 '14
18 Does every polyomino tile R^n for some n? Jan 16 '11