SCIENCE OF THE WINTER OLYMPICS: MATHLETES

submitted by: nsf

It's been called "the Queen of Sciences"--mathematics. It might not be as obvious in Olympic sports as physics or materials-engineering, but math--from simple arithmetic to calculus--is part of every jump, every spin, every move the athletes make on snow or ice. Mathematician Edward Burger from Williams College explains why math counts.

What is ... homotopical algebra?

submitted by: peter.krautzberger

This is a talk by Anton Dochtermann of Technische Universität, Berlin, given at the "What is ...?" seminar at the Berlin Mathematical School on October 31, 2008, https://www.math.fu-berlin.de/w/Math/WhatIsSeminar .