2022 Abel Prize: American mathematician Dennis P. Sullivan

2022 Abel Prize: American mathematician Dennis P. Sullivan

Part of: Prelims

• One of his key breakthroughs is in developing a new way of understanding rational homotopy theory, a subfield of algebraic topology.
• Topology is a field of mathematics which was born in the nineteenth century and has to do with properties of surfaces that do not change when they are deformed. Topologically, a circle and a square are the same; similarly, surfaces of a doughnut and a coffee mug with one handle are topologically equivalent, however the surface of a sphere and a coffee mug are not equivalent.