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

PHONE: (213) 740-3793

FAX: (213) 740-2424

OFFICE: DRB 242

EMAIL: rsacker AT usc.edu

My Mathematical Family Tree

Teaching

Spring 2008 ---------Math 465, -----Math 570b

Fall 2008 ---------Math 445, -----Math 226

Spring 2009 -----Math 465, -----Math 565a

Fall 2009 ---------Math 245, -----Math 570a

 

Research


Publications

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

.....International Conference on Difference Equations and Applications (ICDEA 2004)___Main Theme: Mathematical Biology. August 2 - 6, 2004

 

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.