Lyapunov
# Lyapunov

Lyapunov (Russian: Ляпунов, in old-Russian often written Лепунов) is a Russian surname that is sometimes also romanized as Ljapunov, Liapunov or Ljapunow. Notable people with the surname include:

* Alexey Lyapunov (1911–1973), Russian mathematician
* Aleksandr Lyapunov (1857–1918), son of Mikhail (1820–1868), Russian mathematician and mechanician, after whom the following are named:
   * Lyapunov dimension
   * Lyapunov equation
   * Lyapunov exponent
   * Lyapunov function
   * Lyapunov fractal
   * Lyapunov stability
   * Lyapunov's central limit theorem
   * Lyapunov time
   * Lyapunov vector
   * Lyapunov (crater)
* Boris Lyapunov (1862–1943), son of Mikhail (1820–1868), Russian expert in Slavic studies
* Mikhail Lyapunov (1820–1868), Russian astronomer
* Mikhail Nikolaevich Lyapunov (1848–1909), Russian military officer and lawyer
* Prokopy Lyapunov (d. 1611), Russian statesman
* Sergei Lyapunov (1859–1924), son of Mikhail (1820–1868), Russian composer
* Zakhary Lyapunov (d. after 1612), Russian statesman, Prokopy Lyapunov's brother
