caption doctoral_advisor death_date death_place birth_place awards nationality fields workplaces notable_students birth_date known_for image article_title name alma_mater
olga aleksandrovna ladyzhenskaya ivan petrovsky sergei sobolev 12 january 2004 saint petersburg , russia kologriv , soviet union lomonosov gold medal -lrb- 2002 -rrb- soviet -- russian partial differential equations saint petersburg university nina uralt ` seva ludwig faddeev vladimir buslaev 07 march 1922 fluid nineteenth problem , partial differential equations dynamics of the navier-stokes equations , hilbert 's ladyshenskaya.jpg olga ladyzhenskaya
 olga aleksandrovna ladyzhenskaya moscow university
olga ladyzhenskaya

olga aleksandrovna ladyzhenskaya -lrb- -rrb- -lrb- 7 march 1922 -- 12 january 2004 -rrb- was a soviet and russian mathematician .
she was known for her work on partial differential equations -lrb- especially hilbert 's 19th problem -rrb- and fluid dynamics .
she provided the first rigorous proofs of the convergence of a finite difference method for the navier-stokes equations .
she was a student of ivan petrovsky .
she was awarded the lomonosov gold medal in 2002 .
