Polychromatic colorings of the first uncountable cardinal

שלחו לחבר
Seminar
Speaker
Dani Livne (BGU)
Date
17/11/2013 - 10:10
Abstract

We shall provide sufficient conditions for the existence of a function f:[w1]2→w1 satisfying the following:

  • f is 2-to-1;
  • f restricted to any uncountable square [X]2 is not injective.
     

Lecture Notes