For example, a group that acts freely on a tree is itself a free group. We will use methods from geometry, analysis and topology. The course can be used as a first step towards topology, geometry, or ...

September 3, 2009 Leader in chemical theory to give inaugural lectures A world-renowned chemical theorist will visit the West Lafayette campus Sept. 23-24 to initiate a new lecture series created by ...

Other things dealt with are the elementary theory of cubics and quartics, symmetric functions, separation and calculation of real roots, determinants, systems of linear equations, resultants.

Both lectures will be in "Section 1 Logic", which covers the areas of model theory, proof theory and computability, set theory and applications. The ICM takes place every four years and is the longest ...