Jerrold Siegel
Emeritus Professor of Mathematic and Computer Science
343 Express Scripts Hall, University of Missouri - St. Louis
St. Louis, Missouri 63121
Phone (314) 516-6355
e-mail jerrold_siegel@umsl.edu

Education		Academic Experience
Profession Activities		Research Publications

EDUCATION

B.S. in Mathematics Massachusetts Institute of Technology 1961
M.S. in Mathematics Massachusetts Institute of Technology 1961
Ph.D. in Mathematics Cornell University 1964

ACADEMIC EXPERIENCE

Instructor , Haverford College 1964-65
Assistant Professor, Purdue University 1965-70
Associate Professor, Purdue University 1970-71
Associate Professor, University of Missouri-St. Louis 1971-79
Visiting Research Fellow, Birkbeck College, Univ. of London 1978-79
Professor, University of Missouri-St. Louis 1979-2004
Chairman, Dept. of Mathematics and Computer Science, University of Missouri-St. Louis 1981-82, 1986-90
Coordinator of Campus Computing, University of Missouri-St. Louis 1990-2000
Associate Vice Chancellor for Information Technology, University of Missouri-St. Louis 2000-2004
Emeritus Professor of Mathematic and Computer Science , University of Missouri-St. Louis 2004-
Research Professor of Mathematic and Computer Science , University of Missouri-St. Louis 2007-2009

RECENT PROFESSIONAL ACTIVITIES

In Winter 2005 I taught
Set Theory and Topology.
In Fall 2005 I taught
Theory of Computation.
In Winter 2006 I taught
Introduction to Topology.
In Winter 2007 I taught
Introduction to Parallel and Distributed Systems.
From 2007 through 2010 I was an investigator in the on-going UM - St. Louis Virtual Cities Project supported by The Institute of Museum and Library Services. I have continued to work on this Project.

In Winter 2013 I taught
Information Theory.
In Fall 2014 -Fall 2015 -Winter 2016 I taught Advanced Web Development with Java.
In Fall 2016 I taught
High Performance Computing.
In Winter 2017 I taught
Advanced Web Development with Java.

RESEARCH PUBLICATIONS (My Google Scholar Profile)

1. Some theorems about Yamada's restricted class of recursive functions: IBM Research Reports (1961). (pdf)
2. Cohomology and Homology theories for categories of principal G-bundles: Transactions of the American Mathematical Society, 120 (1965), 428-437.
3. Higher order cohomology operations in local coefficient theory: American Journal of Mathematics, 89 (1967), 909-931
4. Distinctive properties of Stone-Cech compactifications: (with M. Jerison and S. Weingram),Topology, 8 (1969), 195-201.
5. G-spaces, H-spaces and W-spaces: Pacific Journal of Mathematics 31 (1969), 209-214.
6. k-invariants in local coefficient theory: Proceedings of the American Mathematical Society, 29 (1971), 169-174.
7. Cohomology operations in local coefficient theory: Illinois Journal of Mathematics, 14 (1971), 52-63.
8. On the construction of the Bockstein spectral sequence: Transactions of the American Mathematical Society, 219 (1975), 203-224.
9. On a space between BH and B_∞: Pacific Journal of Mathematics, 60 (1975), 235-246.
10. Homotopy and Kan Extensions: (with A. Calder), Proceedings of Conference on Categorical Topology, Springer Lecture Notes, 540 (1975), 152-163.
11. A New Proof of Cristi's Fixed Point Theorem: Proceedings of the American Mathematical Society, 66 (1977), 54-56.
12. Homotopy and Uniform Homotopy: (with A. Calder), Transactions of the American Mathematical Society, 235 (1978), 245-270.
13. Kan Extensions of Homotopy Functors: (with A. Calder), Journal of Pure and Applied Algebra, 12(1978), 253-269.
14. On the Structure of B(F), F a Stable Space: Pacific Journal of Mathematics 76(1978), 491-507.
15. Cech Extensions and Localizations of Homotopy Functors: Fundamenta. Mathematica., 158(1980), 159-170.
16. Fixed Points and Stationary Points of Dissipative Multivalued Maps: (with J. P. Aubin), Proceedings of the American Mathematical Society, 78(1980), 391-398.
17. Homotopy and Uniform Homotopy II: (with A. Calder), Proceedings of the American Mathematical Society, 78(1980), 288-290.
18. On the Width of Homotopies: (with A. Calder), Topology, 19(1980), 209-220.
19. A note on Kan and Cech Extensions: (with A. Calder), Journal of Pure and Applied Algebra, 25(1982), 249-250.
20. Homotopies of Bounded Width are almost Lipschitz: (with A. Calder), Topology and its Applications, 14(1982), 117-129.
21. The Width of Homotopies into Spheres: (with A. Calder and F. Williams), Topology 21(1982), 281-290.
22. Numerical Invariants of Homotopies into Spheres: (F. Williams) Pacific Journal of Mathematics 110(1984), 417-428.
23. Variational Invariants of Riemannian Manifolds: (with F. Williams) Transactions of the American Mathematical Society, 284(1984), 689-705.
24. Extrema associated with Homotopy Classes of Maps: Geometry & Topology, Springer Verlag Lecture Notes, 1167 (1985), 260-267
25. Uniform Bounds for Equivariant Homotopies: (with F. Williams), Topology and its Applications, 32 (1989), 109-118.
26. Uniform Bounds for Isoperimetric Problems: (with F. Williams), Proceedings of the American Mathematical Society, 107 (1989), 459-464.
27. A Robust Method for Calculating the Simplicity and Orientation of Planar Polygons: (with R. Balbes), Computer Aided Geometric Design, 1991, 327-335.