Posted on February 10, 2007March 28, 2007 by Robert Katz Sudoku Coloring Boards This Cartoon was prompted by the Four Color Problem In Topology and the Color Sudoku book cover cited in the previous post. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading... Related Posts Post navigationPrevious post: MathTrek And BrainfreezeNext post: Sudoku Coloring Puzzle
