The ravages of time
The blessings of wisdom.
3620 S. Vermont Ave.
Los Angeles, California 90089-2532
FAX: (213) 740-2424
OFFICE: KAP 438-A
EMAIL: rsacker AT usc DOT edu
My Mathematical Family Tree
Fall 2015 ---------Math 425a_____Math 570a
Spring 2016-----Math 465--------- Math 565a
Read about the Neimark-Sacker bifurcation
Read about the The Sacker-Sell Spectral Theory--A Biographical Sketch
Meet the authors
co-Editor : "Short Notes" section of Journal of Difference Equations and Applications
............... Guidelines for submission of Short Notes (Policy Statement)
Professional Societies and Conferences
.....International Society of Difference Equations
.....International Conference on Difference Equations and Applications (ICDEA 2004)___Main Theme: Mathematical Biology. August 2 - 6, 2004
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)
Ordinary differential equations, difference equations, infinite dimensional dynamical systems, applied mathematics, modeling, genetic modelling, mathematical biology
RECOGNIZED SCIENTIFIC ACCOMPLISHMENTS: The following are sited numerous places in the literature: Spectral theory for non-autonomous Dynamical Systems: "Sacker-Sell" spectrum, The Sacker-Sell Spectral Theory--A Biographical Sketch. Bifurcation Theory, "Neimark-Sacker Bifurcation Theorem" (read about it in Yuri Kuznetsov's book or visit the Scholarpedia article). For first complete proof click here. See also "Publications" Nos. 45, 45a and 45b for the 2009 synopsis and re-publication.