Rice University Department of Mathematics Colloquium

Coloring maps on surfaces

4:00 pm Thursday, April 5, 2018
Ian Agol (UC Berkeley)

Abstract: We'll discuss various questions about coloring maps on surfaces. We give a criterion for 3-coloring quadrangulations of the plane. Then we'll consider whether a finite map on a surface can admit a 4-coloring in a finite-sheeted cover.

Return to Colloquium page