Systems governed by non-linear differential equations are of fundamental importance in all branch...

Although the Fields Medal does not have the same public recognition as the Nobel Prizes, they sha...

Although the Fields Medal does not have the same public recognition as the Nobel Prizes, they sha...

Deals with an area of research that lies at the crossroads of mathematics and physics. The materi...

These notes are based on the course of lectures I gave at Harvard in the fall of 1964. They const...

Although the Fields Medal does not have the same public recognition as the Nobel Prizes, they sha...

This book grew out of a course of lectures given to third year undergraduates at Oxford Universit...

Systems governed by non-linear differential equations are of fundamental importance in all branch...

Although the Fields Medal does not have the same public recognition as the Nobel Prizes, they sha...

This book grew out of a course of lectures given to third year undergraduates at Oxford Universit...

These notes are based on the course of lectures I gave at Harvard in the fall of 1964. They const...

This paper is a contribution to the topological study of vector fields on manifolds. In particula...