catastrophe theory

noun, Mathematics
1.
a theory, based on topology, for studying discontinuous processes and the mathematical models that describe them.
Origin
1970-75
British Dictionary definitions for catastrophe theory

catastrophe theory

noun
1.
  1. a mathematical theory that classifies surfaces according to their form
  2. the popular application of this theory to the explanation of abruptly changing phenomena, as by the discontinuity of a line on the topmost fold of a folded surface
Contemporary definitions for catastrophe theory
noun

a branch of mathematics that deals with systems which have major abrupt changes, esp. using topology to explain events