Morse theory

English

Etymology

Based on the work of Marston Morse.

Noun

Morse theory (uncountable)

1. (mathematics) The study of differentiable functions, where the domain of each is a manifold and the codomain is the real line.
   • March 14, 2018, Roger Penrose writing in The Guardian, 'Mind over matter': Stephen Hawking – obituary

     […] the spaces that are used in Einstein’s theory are really pseudo-Riemannian and the relevant Morse theory differs in subtle but important ways.