Readers ask: What did sofia kovalevskaya discover?

What did Sofia Kovalevskaya contributions to math?

Sofya Vasilyevna Kovalevskaya, (born January 15, 1850, Moscow, Russia—died February 10, 1891, Stockholm, Sweden), mathematician and writer who made a valuable contribution to the theory of partial differential equations.

What is the Cauchy Kovalevskaya theorem used for?

First order CauchyKovalevskaya theorem

This theorem is about the existence of solutions to a system of m differential equations in n dimensions when the coefficients are analytic functions. The theorem and its proof are valid for analytic functions of either real or complex variables.