Sofia Vasilyevna Kovalevskaya
The life of Sofia Vasilyevna Kovalevskaya - She Learned Calculus From Wallpaper
Cauchy–Kovalevskaya Theorem
A fundamental theorem establishing the existence and uniqueness of solutions to certain partial differential equations.
\[ \frac{\partial u}{\partial t} = F\left(x, t, u, \frac{\partial u}{\partial x}, \dots \right) \]
Kovalevskaya Top
A new exact solution to the problem of the motion of a rigid body around a fixed point.
\[ I_1 = I_2 = 2I_3, \quad x_0 = y_0 = 0 \]
Sources: https://mathshistory.st-andrews.ac.uk/Biographies/Kovalevskaya/
