Lecture 1. WHAT IS K-THEORY AND WHAT IS IT GOOD FOR?

This talk will consist of four points.

1. The basic definition of K-theory

2. A brief history of K-theory

3. Algebraic versus topological K-theory

4. The unity of K-theory

### Rademacher Lectures

Monday, April 9, 2018 - 3:30pm

#### Paul Baum

Pennsylvania State University