Mathematics Presents “Spherical Cats and Ham Sandwiches”

Weber State University’s Department of Mathematics will host the inaugural Frank and Lisa Richards Lecture in Mathematics.

“Spherical Cats and Ham Sandwiches” will be presented by Jon Rogness, an assistant professor of mathematics at the University of Minnesota.

In his presentation, Rogness will explore topology, an area of mathematics where circles are squares and a doughnut is the same as a coffee cup.  After explaining some basic concepts, Rogness will show examples of how topology applies in everyday life.  Along the way he will discuss one-sided surfaces, subway maps, and a theorem that has amazing consequences ranging from meteorology to ham sandwiches.

Rogness also will explain what topology can tell us about the shape of our universe, and the audience can experience 3D fly-throughs of various models of the universe.

The presentation will be held at 7 p.m. on March 30 in Lind Lecture Hall Room 126.

The event is free to the public.

Visit for more news about Weber State University.

John Kowalewski, director of Media Relations
801-626-7212 •
Mihail Cocos, assistant professor of mathematics
801-626-7040 •