Igor V. Dolgachev (born 7 April 1944) is a Russian–American mathematician specializing in

algebraic geometry Algebraic geometry is a branch of mathematics which uses abstract algebraic techniques, mainly from commutative algebra, to solve geometry, geometrical problems. Classically, it studies zero of a function, zeros of multivariate polynomials; th ...

. He has been a professor at the

University of Michigan The University of Michigan (U-M, U of M, or Michigan) is a public university, public research university in Ann Arbor, Michigan, United States. Founded in 1817, it is the oldest institution of higher education in the state. The University of Mi ...

since 1978. He introduced

Dolgachev surface In mathematics, Dolgachev surfaces are certain simply connected elliptic surfaces, introduced by . They can be used to give examples of an infinite family of homeomorphic simply connected compact 4-manifolds, no two of which are diffeomorphic. Pro ...

s in 1981. Dolgachev completed his Ph.D. at

Moscow State University Moscow State University (MSU), officially M. V. Lomonosov Moscow State University,. is a public university, public research university in Moscow, Russia. The university includes 15 research institutes, 43 faculties, more than 300 departments, a ...

in 1970, with thesis ''On the purity of the degeneration locus of families of curves'' written under the supervision of

Igor Shafarevich Igor Rostislavovich Shafarevich (; 3 June 1923 – 19 February 2017) was a Soviet and Russian mathematician who contributed to algebraic number theory and algebraic geometry. Outside mathematics, he wrote books and articles that criticised social ...

References

External links

Dolgachev's website at University of Michigan
1944 births Living people Moscow State University alumni Soviet mathematicians Russian mathematicians 20th-century American mathematicians 21st-century American mathematicians University of Michigan faculty Algebraic geometers {{Russia-mathematician-stub