Roger D. Nussbaum

Roger David Nussbaum (born 29 January 1944, in Philadelphia)[1] is an American mathematician, specializing in nonlinear functional analysis and differential equations.

Nussbaum graduated in 1965 with a bachelor's degree from Harvard University. He received his Ph.D. in 1969 from the University of Chicago with thesis The Fixed Point Index and Fixed Point Theorems for K-Set Contractions supervised by Felix Browder.[2] At Rutgers University Nussbaum became in 1969 an assistant professor, in 1973 an associate professor, and in 1977 a full professor. He retired there as professor emeritus.[3] He was elected in 2012 a Fellow of the American Mathematical Society.

  1. ^ biographical information from American Men and Women of Science, Thomson Gale 2004
  2. ^ Roger David Nussbaum at the Mathematics Genealogy Project
  3. ^ "Roger D. Nussbaum". Mathematics Department, Rutgers University.

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