Herbert Clemens

Charles Herbert Clemens Jr. (born 15 August 1939 in Dayton, Ohio)[1] is an American mathematician, specializing in complex algebraic geometry.[2]

Herbert Clemens
Born15 August 1939 (1939-08-15) (age 81)
Alma materCollege of the Holy Cross
University of California, Berkeley
Known forClemens conjecture
AwardsSloan Research Fellowship
Invited Speaker, International Congress of Mathematicians (1974, 1986)
Scientific career
FieldsMathematics
InstitutionsColumbia University
University of Utah
Ohio State University
ThesisPicard-Lefschetz Theorem for Families of Algebraic Varieties Acquiring Certain Singularities (1966)
Doctoral advisorPhillip Griffiths
Doctoral studentsEnrico Arbarello

Biography

Clemens received in 1961 his bachelor's degree from College of the Holy Cross and in 1966 his Ph.D. from the University of California, Berkeley under Phillip Griffiths with thesis Picard–Lefschetz Theorem for Families of Algebraic Varieties Acquiring Certain Singularities.[3] In 1970 he became an assistant professor at Columbia University and went on to become an associate professor before leaving in 1975 to become an associate professor at the University of Utah where he became a full professor in 1976 and a Distinguished Professor in 2001. In 2002 he left Utah to become a professor of mathematics and mathematics education at the Ohio State University.[4]

Clemens was a visiting scholar at the Institute for Advanced Study from September 1968 to March 1970 and from September 2001 to June 2003.[5] He was an invited speaker at the International Congress of Mathematicians in 1976 at Vancouver and in 1986 at Berkeley and gave a talk Curves on higher dimensional complex projective manifolds. For the academic year 1974–1975 he was a Sloan Fellow.

In 1972 Clemens and Griffiths proved that a cubic three-fold is in general not a rational variety, providing an example for three dimensions that unirationality does not imply rationality. In 1986 Clemens was an editor of the Pacific Journal of Mathematics.

He married in 1983 and has three children.

Selected publications

Articles

Books

References

  1. biographical information from American Men and Women of Science, Thomson Gale 2004
  2. "Complex geometry, Herbert Clemens" (PDF). math.utah.edu. Retrieved 2015-11-02.
  3. Herbert Clemens at the Mathematics Genealogy Project
  4. "Personal Profile of Mr. Herbert Clemens". MSRI. Retrieved 2018-12-31.
  5. "Clemens, Charles Herbert | Institute for Advanced Study". ias.edu. Retrieved 2015-11-01.
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