Jerrold Siegel
Research Professor of Mathematic and Computer Science
415 Computer Center Building, University of Missouri - St. Louis
St. Louis, Missouri 63121
Phone (314) 516-5086 Fax (314) 516-6007
e-mail jerrold_siegel@umsl.edu

Education		Academic Experience
Profession Activities		Research Publications

EDUCATION

B.S. Massachusetts Institute of Technology 1961
M.S. Massachusetts Institute of Technology 1961
Ph.D. Cornell University (Mathematics) 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-

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 am teaching
Introduction to Parallel and Distributed Systems.

RESEARCH PUBLICATIONS

1. Some theorems about Yamada's restricted class of recursive functions: IBM Research Reports (1961).
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.