
Robert J. Sacker
Professor
of Mathematics
University of Southern California

The ravages of time
and
The blessings of wisdom.
MAILING ADDRESS:
3620 Vermont Ave.
KAP 108
Los Angeles, California 90089-2532
FAX: (213) 740-2424
OFFICE: DRB 242
EMAIL: rsacker AT usc.edu
Spring 2008 ---------Math 465, -----Math 570b
Fall 2008 ---------Math 445, -----Math 226
Spring 2009 -----Math 465, -----Math 565a
Fall 2009 ---------Math 245, -----Math 570a
Read about the Neimark-Sacker bifurcation
Read about the The Sacker-Sell Spectral Theory--A Biographical Sketch
co-Editor : "Short Notes" section of Journal of Difference Equations and Applications
............... Guidelines for submission of Short Notes
Professional Societies and Conferences
..... International Society of Difference Equations, Director
EDUCATIONAL BACKGROUND
B. S. Georgia Institute of Technology, 1959
M. S. Georgia Institute of Technology, 1961
Ph.D. New York University -- Courant Institute, 1964
Dissertation: "On invariant surfaces and bifurcation of periodic solutions of ordinary differential equations" (Thesis Advisor: - J. K. Moser)
RESEARCH INTERESTS
Ordinary differential equations, difference equations, infinite dimensional dynamical systems, applied mathematics, modeling, genetic modelling, mathematical biology
PROFESSIONAL APPOINTMENTS
1964-66 Adjunct Assistant Professor of Mathematics, Washington Square College New York University
1964-66 Visiting Member, Courant Institute of Mathematical Sciences, New York University
1966-69 Assistant Professor of Mathematics, University of Southern California
1969-72 Associate Professor of Mathematics, University of Southern California
1972-73 Visiting Associate Professor of Mathematics, University of Minnesota
1973-77 Associate Professor of Mathematics, University of Southern California
1977- Professor of Mathematics, University of Southern California
RECOGNIZED SCIENTIFIC ACCOMPLISHMENTS: The following are sited numerous places in the literature: Spectral theory for non-autonomous Dynamical Systems: "Sacker-Sell" spectrum. Bifurcation Theory, "Neimark-Sacker Bifurcation Theorem" (read about in Yuri Kuznetsov's book or visit Scholarpedia article). For first complete proof click here.