caption doctoral_advisor death_date death_place birth_place image_size nationality fields workplaces birth_date known_for doctoral_students image article_title name alma_mater
nikolai chebotaryov -lrb- to the left -rrb- with students dmitry grave 02 july 1947 moscow , soviet union kamianets-podilskyi , russian empire -lrb- modern-day ukraine -rrb- 200px soviet union mathematics kazan state university 15 june 1894 chebotarev 's density theorem petr kontorovich mark krein naum meiman vladimir morozov chebotaryov-meiman . jpg nikolai chebotaryov
 nikolai chebotaryov kiev state university
nikolai chebotaryov

nikolai grigorievich chebotaryov -lrb- often spelled `` chebotarov '' or `` chebotarev '' -rrb- -lrb- , -rrb- -lrb- -- 2 july 1947 -rrb- was a noted russian and soviet mathematician .
he is best known for the chebotaryov density theorem .
he was a student of dmitry grave , a famous ukrainian and russian mathematician .
chebotaryov worked on the algebra of polynomials , in particular examining the distribution of the zeros .
he also studied galois theory and wrote an influential textbook on the subject titled `` basic galois theory '' .
his ideas were used by emil artin to prove the artin reciprocity law he worked with his student anatoly dorodnov on a generalization of the quadrature of the lune , and solved a conjecture which is now known as the chebotaryov theorem on roots of unity on may 14 , 2010 , a memorial plaque for nikolai chebotaryov was unveiled on the main administration building of i.i. mechnikov odessa national university .
