Department
Colloquia and Seminars, Fall 1990
Joseph
Bonin, Colloquium Organizer
Monday, September 17. Recursion Theory Seminar. William Gasarch, University of Maryland, College Park. Title: When Oracles Do Not Help.
Friday, September 21. Mathematics Colloquium. Marc Lipman, Office of Naval Research. Title: Vertex-Transitive Graphs of Toughness Exactly One are Bipartite.
Friday, September 21. Combinatorics Seminar. Rodica Simion, George Washington University. Title: Set Partition Statistics Applied to Permutations.
Monday, September 24. Recursion Theory Seminar. William Gasarch, University of Maryland, College Park. Title: Friedberg-Munchuik Theorem for Inductive Inference.
Friday, September 28. Recursion Theory Seminar. Chris Laskowski, University of Maryland, College Park. Title: Selected Topics in Model Theory, I
Friday, September 28. Combinatorics Seminar. Dan Ullman, The George Washington University. Title: Impartial Combinatorial Games: Toward a Theory of Misere Play.
Wednesday, October 3. Analysis Seminar. Guenter Leugering, Georgetown University. Title: Modeling, Analysis and Control of a Network of Vibrating Beams.
Friday, October 5. Recursion Theory Seminar. Chris Laskowski, University of Maryland, College Park. Title: Selected Topics in Model Theory, II
Friday, October 5. Joint Mathematics, Operations Research, Electrical Engineering and Computer Science Colloquium. Robert Tarjan, Princeton University. Title: Network Flow Algorithms.
Friday, October 5. Combinatorics Seminar. Jenny Zito, Johns Hopkins University. Title: Independence and Connectedness of Graphs.
Friday, October 12. Recursion Theory Seminar. Chris Laskowski, University of Maryland, College Park. Title: Selected Topics in Model Theory, III.
Friday, October 12. Mathematics Colloquium. Mike Boyle, University of Maryland, College Park. Title: The Spectra of Non-negative Matrices via Symbolic Dynamics.
Friday, October 12. Combinatorics Seminar. Louis Shapiro, Howard University and The George Washington University. Title: The Ubiquitous Catalan Numbers: Some Recent Results.
Friday, October 19. Mathematics Colloquium. Kenneth P. Bogart, Dartmouth College. Title: Threshold Orders.
Friday, October 19. Combinatorics Seminar. William Gasarch, University of Maryland. Title: Why Certain Graph Properties are Hard, Part I.
Friday, October 19. Graduate Student Seminar. Gary Schwartz, The George Washington University. Title: Partially Ordered Algebraic Systems.
Friday, October 26. Mathematics Colloquium. Louis Shapiro, Howard University and The George Washington University. Title: What is the Next Term of this Sequence? Combinatorics as a Common Thread in the Undergraduate Curriculum.
Friday, October 26. Combinatorics Seminar. Leon Woodson, Howard University. Title: Factorization of a Combinatorial Sequence.
Wednesday, October 31. Analysis Seminar. John Pierce, The United States Naval Academy. Title: Singularity Theory, Pseudo-Rigid Bodies and Symmetry-Breaking Loads.
Friday, November 2. Recursion Theory Seminar. Chris Laskowski, University of Maryland, College Park. Title: Two-Cardinal Models, Part I.
Friday, November 2. Mathematics Colloquium. Herbert Wilf, University of Pennsylvania. Title: Pascal's Triangle, in Living Color.
Friday, November 2. Combinatorics Seminar. Peter Winkler, Emory University and Bellcore. Title: Combinatorial Cryptology and the `Two Sheriffs' Problem.
Friday, November 9. Recursion Theory Seminar. Chris Laskowski, University of Maryland, College Park. Title: Two-Cardinal Models, Part II.
Friday, November 9. Mathematics Colloquium. John Rinzel, Mathematical Research Branch, National Institutes of Health. Title: Rythmic Behavior of the Pancreas: Insights from Theoretical Models.
Friday, November 9. Combinatorics Seminar. Valerie King, DIMACS. Title: Why Certain Graph Properties are Hard, Part II.
Friday, November 16. Recursion Theory Seminar. Chris Laskowski, University of Maryland, College Park. Title: Two-Cardinal Models, Part III.
Friday, November 16. Combinatorics Seminar. Kathy O'Hara, University of Iowa.
Friday, November 30. Recursion Theory Seminar. Ali Enayat, American University. Title: Power-like Models.
Friday, November 30. Mathematics Colloquium. E. Arthur Robinson, The George Washington University. Title: Almost Periodic Tilings and Quasicrystallography.
Friday, November 30. Combinatorics Seminar. Seyoum Getu, Howard University. Title: Permutations on [n] with Descending Local Maxima.
Friday, November 30. Graduate Student Seminar. Timothy McNicholl, The George Washington University. Title: Post's Program in Recursion Theory.
Friday, December 7. Mathematics Colloquium. Robert Cori, Universite de Bordeaux I - LaBRI. Title: Bounded Time-Stamps and Asynchronous Automata.
Friday, December 7. Mathematics Colloquium. Recursion Theory Seminar.
William Gasarch, University of Maryland. Title: Characterization of Oracles Which Do Not Increase the Power of Inductive Inference Machines.
Department
Colloquia and Seminars, Spring 1991
Joseph
Bonin, Colloquium Organizer
Friday, January 18. Mathematics Colloquium. GW Mathematics Department and School of Engineering and Applied Science. Ray Brown. Title: Recent Developments in Poincar'e, Birkhoff, Smale Chaos.
Friday, January 25. Recursion Theory Seminar. Valentina Harizanov, The George Washington University. Title: When (m,n)-Recursive Sets are Recursive.
Friday, January 25. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. Carl Lee, University of Kentucky. Title: Counting Faces of Convex Polytopes.
Friday, January 25. Combinatorics Seminar. Mike Richey, George Mason University. Title: A Scheduling Problem in the Automated Parallelization of Computer Programs.
Friday, February 1. Mathematics Colloquium. Ann Boyle, National Science Foundation. Title: Groebner Bases: An Algorithmic Approach to Polynomial Ideal Theory.
Friday, February 1. Combinatorics Seminar. Valentina Harizanov, The George Washington University. Title: Frequency Computations.
Friday, February 8. Combinatorics Seminar. Ruth Bari, The George Washington University. Title: Homomorphism Polynomials of Graphs.
Friday, February 15. Combinatorics Seminar. Frank Schmidt. Title: Some Questions Regarding Parity.
Friday, February 22. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. George E. Andrews, Pennsylvania State University and Thomas J. Watson Research Center.
Title: SCRATCHPAD and The Totally Symmetric Self-Complementary Plane Partitions Conjecture.
Friday, February 22. Combinatorics Seminar. Walter Stromquist, Daniel H. Wagner Associates. Title: Which Graphs on a Torus Require More Than Five Colors?
Friday, March 1. Mathematics Colloquium. William Gasarch, University of Maryland, College Park. Title: On The Complexity of Problems.
Friday, March 1. Combinatorics Seminar. Arie Bialostocki, University of Idaho. Title: Some Recent Developments of the Erdos-Ginzburg-Ziv Theorem.
Friday, March 8. Mathematics Colloquium. Peter Cholak, University of Wisconsin, Madison. Title: The Interaction of Structural Properties of Recursively Enumerable Sets and Degrees.
Friday, March 8. Combinatorics Seminar. Peter Winkler, Emory University and Bellcore. Title: How to Play ``Twenty Questions'' with a Liar.
Friday, March 22. Mathematics Colloquium. James Lawrence, George Mason University. Title: Oriented Matroids and the Euler Characteristic.
Friday, March 22. Combinatorics Seminar. Paul Kainen. Title: Topologically Bounded Approximations to the Linear Arboricity and Total Coloring Conjectures.
Friday, March 29. Mathematics Colloquium. Timothy Kiemel, National Institutes of Health. Title: A Chain of Coupled Oscillators as a Model for Lamprey Swimming.
Friday, March 29. Combinatorics Seminar. Hosam Mahmoud, George Washington University. Title: Polya Urn Models in Pyramids.
Friday, April 5. Combinatorics Seminar. Rodica Simion, George Washington University. Title: Combinatorial Statistics on Non-Crossing Partitions --- Searching For Bijections.
Friday, April 5. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. James Howland, University of Virginia. Title: Exotic Perturbation Theory.
Friday, April 12. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. Diane Meuser, Boston University. Title: Igusa's Local Zeta Function: A Functional Equation and Some Related Geometry.
Friday, April 12. Combinatorics Seminar. Jon Sjogren, Air Force Office of Scientific Research. Title: Graphs with a Cyclic Action: Spectra, Spanning Trees and a Theorem of T. Muir.
Friday, April 12. Graduate Student Seminar. Bill Miller, The George Washington University. Title: Some Results About a Not Quite Lattice on Somewhat Abelian Monoids.
Friday, April 19. Combinatorics Seminar. Walter Morris, George Mason University. Title: Face Rings of Polytopes and the Linear Complementarity Problem.
Friday, April 19. Graduate Student Seminar. Gary Schwartz, The George Washington University. Title: On Representations of the Automorphism Group of Certain Posets.
Friday, May 3. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. David Hoffman, University of Massachusetts at Amherst. Title: Finding Minimal Surfaces Using Hyperbolic Geometry and Computers.
Saturday, May 4. Public Mathematics Lecture in connection with the exhibit The Joy of Mathematics.
David Hoffman, University of Massachusetts at Amherst. Title: The Hunt for Minimal Surfaces.
Wednesday,
May 8. Combinatorics Seminar. Vera Kurkova, Institute of Computer Science,
Czechoslovak Academy of Science, Prague. Title: Theorems From Classical
Analysis Applied to Neural Networks.
Department
Colloquia and Seminars, Fall 1991
Joseph
Bonin, Colloquium Organizer
Tuesday, September 10. Recursion Theory Seminar. Valentina Harizanov, The George Washington University. Title: Frequency Classes, Part I.
Friday, September 13. Mathematics Colloquium. Robert Molzon, National Science Foundation and University of Kentucky. Title: Geometric Rigidity and Boundary Value Problems.
Tuesday, September 17. Recursion Theory Seminar. Valentina Harizanov, The George Washington University. Title: Frequency Classes, Part II.
Friday, September 20. Graduate Student Seminar. Sita Ramamurti, The George Washington University. Title: An Introduction to Complex Analytic Dynamics.
Friday, September 27. Mathematics Colloquium. Michael Moses, The George Washington University. Title: The Logic of Logic Programming.
Friday, October 4. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. Alec Norton, Indiana University at Bloomington. Title: Wandering Domain Problems in Dynamical Systems.
Tuesday, October 8. Recursion Theory Seminar. William Gasarch, University of Maryland. Title: (m,n)-Verbose Sets.
Friday, October 11. Mathematics Colloquium. Claude Schochet, Western Reserve University. Title: A Quick Tour of Quantum Topology.
Tuesday, October 15. Recursion Theory Seminar. Georgia Martin, University of Maryland. Title: Some Results on (1,2)-Recursive Sets.
Thursday, October 17. Combinatorics Seminar. Kenneth P. Bogart, Dartmouth College. Title: Topics in Interval Orders.
Friday, October 25. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. Robert Brooks, University of Southern California. Title: Circle Packing.
Friday, November 1. Mathematics Colloquium. Susanne Rogina, Carnegie-Mellon University. Title: Algorithmically Generated Trees.
Friday, November 8. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. James Oxley, Louisiana State University. Title: What is a Matroid?
Friday, November 15. Mathematics Colloquium. Pal Rozsa, Technical University of Budapest. Title: Structural Properties of the Inverses of Band Matrices and Generalized Band Matrices.
Friday, November 22. Mathematics Colloquium. Daniel Lozier, Applied & Computational Mathematics Division, NIST. Title: An Underflow-Induced Graphics Failure.
Department
Colloquia and Seminars, Spring 1992
Joseph
Bonin, Colloquium Organizer
Tuesday, January 28. Recursion Theory Seminar. Valentina Harizanov, The George Washington niversity. Title: Weakly Selective Sets, Part I.
Tuesday, February 4. Recursion Theory Seminar. Valentina Harizanov, The George Washington University. Title: Weakly Selective Sets, Part II.
Tuesday, February 11. Recursion Theory Seminar. William Gasarch, University of Maryland. Title: Recursive Partial Orderings.
Wednesday, February 12. Mathematics Colloquium. Rod Downey, Victoria University of Wellington, New Zealand. Title: A Completeness Theory for Parameterised Tractability.
Tuesday, February 18. Recursion Theory Seminar. Valentina Harizanov, George Washington University. Title: Recursively Combinatorial Sets.
Friday, February 21. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. Carlos Berenstein, University of Maryland. Title: Some Generalizations of Morera's Theorem.
Tuesday, February 25. Recursion Theory Seminar. Michael Moses, The George Washington University. Title: Recursive Linear Orderings I: Recursive Categoricity.
Friday, February 28. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. David Mumford, Harvard University. Title: Mathematical, Computational and Biological Aspects of Vision.
Tuesday, March 3. Recursion Theory Seminar. Michael Moses, The George Washington University. Title: Recursive Linear Orderings II: Nonrecursive Presentability.
Friday, March 6. Mathematics Colloquium. Margaret Cozzens, National Science Foundation and Northeastern University. Title: A New Parameter for Measuring the Stability of a Graph.
Tuesday, March 10. Recursion Theory Seminar. Michael Moses, The George Washington University. Title: Recursive Linear Orderings III: Intrinsically Recursive Relations.
Friday, March 13. Mathematics Colloquium. T. S. Michael, United States Naval Academy. Title: An Application of Linear Algebra to Graph Theory.
Tuesday, March 24. Recursion Theory Seminar. Michael Moses, The George Washington University. Title: Recursive Linear Orderings IV: Self-Embeddings.
Friday, March 27. Mathematics Colloquium. Bruce Torrence, Georgetown University. Title: Involutions Fixing Projective Spaces.
Friday, April 3. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. Carl Jockusch, University of Illinois, Urbana-Champaign. Title: Ramsey's Theorem and Recursion Theory.
Friday, April 10. Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. Paul Blanchard, Boston University. Title: The Parameter Space of Cubic Polynomials and Automorphisms of the Shift.
Friday, April 17. Mathematics Colloquium. Michael Moses, The George Washington University. Title: Concurrency, Complexity and Graph Theory.
Monday, April 20. Howard University and George Washington University Combinatorics Seminar.
Sri Gopal Mohanty, McMaster University. Title: The Reflection Principle and Counting Paths by Major Index and Descents.
Friday,
April 24. Mathematics Colloquium. Felix Lazebnik, University of Delaware.
Title: Graphs With Many Edges and Without Small Cycles.
Department
Colloquia, 1992-93
Michael
Moses, Colloquium Organizer
Sept 11, Mathematics Colloquium. Yongwu Rong.
Sept 25, (11.00 am), Mathematics Colloquium. Steve Schiff.
Oct 2, Mathematics Colloquium. Kevin Hockett.
Oct 16, Mathematics Colloquium. Dan Ullman.
Oct 23, Mathematics Colloquium. Joe Bonin.
Oct 30, Mathematics Colloquium. Tim McNicholl.
Nov 6, Mathematics Colloquium. Enders Robinson, The University of Tulsa.
Nov 13, Mathematics Colloquium. Hanna Sandler, American University.
Dec 4, Mathematics Colloquium. Bill Miller. Title: Reconstruction Problems for Graphs and Matroids.
Dec 11, Mathematics Colloquium. Phil Hanlon. GW Mathematics Department and The National Science Foundation. Title: Order, Chaos and Algebraic Combinatorics.
Jan 22, Mathematics Colloquium. Dan Lieman, 11:00 am.
Jan 29, Mathematics Colloquium. GW Mathematics Department and The National Science Foundation. Mike Stob.
Feb 5, Mathematics Colloquium. Ruth Berger, Memphis State University.
Feb 19, Mathematics Colloquium. Bernard Macdonald, National Science Foundatain.
Mar 5, Mathematics Colloquium. Joel Spruck, Johns Hopkins. Title: The motion of level sets by mean curvature.
Mar 12, Mathematics Colloquium. Nate Whitaker, University of Massachusetts. Title: Statistical Equilibrium Solutions for the Euler Equations.
Apr 2, Mathematics Colloquium. Doron Zeilberger.
Apr 9, Mathematics Colloquium. Herb Wilf, University of Pennsylvania. Title: How my computer found a theorem for me.
Apr16, Mathematics Colloquium. Phil Holmes, Cornell University. Title: Control of noisy heteroclinic cycles.
Apr 23, Graduate student seminars. Miriam Botzum-Harris: 12:30. Title: Resolution and Linear Resolution --- The Basis for Artificial Intelligence Programming. Sita Ramamurti:1:00. Title: Dynamics of the Complex Exponential Map.
April
29, Mathematics Colloquia. GW Mathematics Department and The National Science
Foundation. Rhonda Hughes.
Department
Colloquia, 1993-94
Michael
Moses, Colloquium Organizer
BIKKAR S LALLI, Univ. of Saskatchewan: Oscillation Theorems for Neutral Difference Equations.
JOZEF DENES, Hungarian Academy of Sciences: Recent Results and Problems in Latin Power Sets.
HUGO WOERDEMAN, College of William and Mary: A Selection of Matrix Completion Problems.
SITA RAMAMURTY, George Washington University: Flowers at Infinity -- Dynamics of the Flow Near an Essential Singularity.
GEORGE WEISS, Physical Sciences Laboratory, Division of Computer Research and Technology, NIH: Trapping of Random Walks.
TOM BRYLAWSKI, University of North Carolina: The Flag Space of a Matroid.
JUN ZHANG, George Washington University: Chebyshev Approximations to the Bessel Function Y_n(z) with Complex Argument.
FRED ALMGREN, Princeton University and The Geometry Center: A Variational Approach to Crystal Growth.
JULES KOUATCHOU, George Washington University: Optimization in Telephone Networks.
CHARLES OSGOOD, National Security Agency: A Simplified Proof of Steinmetz's Theorem.
DONA STRAUSS, University of Hull: Some Properties of the Semigroup \beta N.
HELMUT HABERZETTL, George Washington University, Dept. of Physics: Chaotic Motion in the Asteroid Belt.
PHYLLIS COOK, George Washington University: An Elementary Discussion of Pattern Recognition Using Decision Trees, Information Theory and Minimal Solving Sets.
FRANK BAGINSKI, George Washington University: Mathematical Modeling of Large Scientific Balloons.
HUGO JUNGHENN, George Washington University: Compact Semigroups in Analysis and Topology.
NEIL HINDMAN, Howard University: Applications of the Algebraic Structure of \beta S to the Combinatorics of S.
KEN BRAKKE, Susquehanna University: Soap Films and Covering Spaces.
QING SHEN, George Washington University: Two-Dimensional Exponential Distribution.
SIMON DONALDSON, Oxford University: Gauge Theory and 4-Manifold Topology.
JOAN BIRMAN, Columbia University: Surfaces in Knot Complements.
ALLEN MILLER, George Washington University: m-Dimensional Schlomilch series.
Department
Colloquia and Seminars, 1994-95
Yongwu
Rong, Colloquium Organizer
September 9. COLLOQUM Speaker: Michael Mascagni. Supercomputing Research Center, I.D.A. Recent Developments in Parallel Pseudorandom Number Generation
September 1. Recursion Theory Seminar. William Gasarch. Characterizing Linear Orderings
September 9. Combinatorics Seminar. Joe Bonin. A New Proof of Tutte's Characterization of Binary Matriods
September 16. GRADUATE STUDENT SEMINAR. Kevin Hockett, George Washington University. Introduction to the Department's Computer System.
Sept 16. Combinatorics Seminar. Dan Ullman, George Washington University. Multicolorings of graphs
Sept 13. Recursion Theory Seminar. William Gasarch, UMCP. Recursive linear orderings. .UMCP, Department of Mathematics, Room 2400
Sept 23. COLLOQUIUM. Michael Moses, George Washington University. Expressibility and Computability.
Sept 23. Dynamics Seminar. Dynamical zeta functions.
Sept 23. Combinatorics Seminar. Bill Miller, George Washington University Matroid Reconstruction and Recognition from Tutte Polynomials.
Sept 23. GRADUATE STUDENT SEMINAR. Darla Kremer, George Washington University & University of Iowa. Some enumerative properties of the Fibonacci lattices.
Sept 29. Recursion Theory Seminar. Valentina Harizanov. Combinatorial approach to frequency computations II.
Sept 30. Dynamics Seminar. K. Hockett. Dynamical zeta functions.
Sept 30. Combinatorics Seminar. Rodica Simion. Combinatorial identities involving a loop-free matroid.
Oct 14. GRADUATE STUDENT SEMINAR. Rodica Simion. Applying for jobs in mathematics.
Oct 14. DEPARTMENT COLLOQUIUM. Rosa Huang, Virginia Polytechnic Institute. Letterplaces Algebra: Connections to Latin Squares Conjectures, Symmetric Functions and Invariant Theory.
Oct 13. Recursion Theory Seminar. Tim McNicholl. Generalized frequency classes.
Oct 14. Dynamics Seminar. Kevin Hockett. Dynamical zeta functions.
Oct 20. Recursion Theory Seminar Tim McNicholl. Generalized frequency classes, part II. UMCP, Mathematics Building, Room 2400.
Oct 21. Dynamics Seminar. Robbie Robinson. Dynamical zeta functions.
Oct 21. Combinatorics Seminar. Earl Barnes, Georgia Graph Colorings and Eigenvalues. Mathematics Department, Howard University, Room 213, Academic Support Building
Oct 28. DEPARTMENT COLLOQUIUM. Gary Ebert, University of Delaware. Unitals embedded in PG(2, q^2).
Oct 27. Recursion Theory Seminar Tim McNicholl. Generalized frequency classes, part III. UMCP, Mathematics Building, Room 2400.
Oct 28. Dynamics Seminar. Robbie Robinson. Dynamical zeta functions.
Nov 4. DEPARTMENT COLLOQUIUM. Fusheng Wei, Virginia Polytechnic Institute. On Riemann's examples of embedded minimal surfaces in R^3
Nov 4. Dynamics Seminar. Dynamical zeta functions.
Nov 11. DEPARTMENT COLLOQUIUM. John Milnor, SUNY - Stony Brook. John Nash and the Nobel Prize.
Nov 4. Combinatorics Seminar. Paul Kainen. Introductory overview of relations between the four color theorem and braids
Nov 14. DEPARTMENT COLLOQUIUM. M. V. Deshpande, Indian Institute of Technology, Bombay. Almost Periodic Compactification.
Nov 18. GRADUATE STUDENT SEMINAR. Miriam Harris-Botzum, George Washington University. Priority Constructions, (or: How to Make Almost Anything Non-Recursive).
Nov. 14. Combinatorics Seminar. Dan Loeb, University of Bordeaux. DX-operator expansions
Nov 18. Combinatorics Seminar. Lou Shapiro, Howard University. Oscillating tableaux
Nov 29. DEPARTMENT COLLOQUIUM. K. Feng, University of Sci & Tech of China. Non-congruent Numbers, Odd Graphs, and Elliptic Curves E(n).
Dec 2. Dynamics Seminar. Tom Fitzkee. Entropy and Knots (this is part of the presentations of the "Knot Theory" course).
Dec 2. Combinatorics Seminar. Frank Schmidt. Relations of Hopf algebras with combinatorics (study group).
Dec. 9. DEPARTMENT COLLOQUIUM. Dan Ullman, George Washington University. Richman Games.
Dec 9. Dynamics Seminar. Mike Ragusa. Subshifts of finite type.
Dec 9. Combinatorics Seminar. Rodica Simion. Hyperplane and subspace arrangements (study group).
Dec 8. RECURSION Theory Seminar. Valentina Harizanov. Effective search problem, part I, UMCP, Mathematics Building, Room 2400.
Dec 15. RECURSION Theory Seminar. Tim McNicholl. Effective search problem, part II, UMCP, Mathematics Building, Room 2400.
Jan 27. GRADUATE STUDENT SEMINAR. Tim McNicholl, George Washington University. Estimating Non-Recursive Sets.
Feb 3. DEPARTMENT COLLOQUIUM. Rodica Simion, George Washington University. From the combinatorics of hyperplane arrangements to theoretical computer science.
Feb 3. Combinatorics Seminar. Dan Ullman. Fractional arboricity and and matroid partitioning.
Feb 3 Paul Kainen, Drawing graphs on surfaces.
Feb 10. DEPARTMENT COLLOQUIUM. Francesco Brenti, IAS, Princeton, & Universita' di Perugia, Italy. The combinatorics of Kazhdan-Lusztig polynomials.
Feb 8. Recursion Theory Seminar. Bill Gasarch. More on index sets of recursively enumerable sets. UMCP, Mathematics Building, Room 2400.
Feb. 17. DEPARTMENT COLLOQUIUM. Richard Schwartz, University of Chicago & University of Maryland. Pappus's Theorem and the Modular Group.
Feb 10. Dynamics Seminar. Robbie Robinson. Sarkovskii's theorem.
Feb 13. Recursion Theory Seminar. Jacob Lurie, Montgomery Blair High School. Surreal Numbers. UMCP, Mathematics Building, Room 2400.
Feb 24. DEPARTMENT COLLOQUIUM. Yongwu Rong, GWU. Periodic Maps of Surfaces.
Feb 20. Recursion Theory Seminar. Jacob Lurie, Montgomery Blair High School. Recursive surreal numbers, Part I. UMCP, Mathematics Building, Room 2400.
Feb 27. Recursion Theory Seminar. Jacob Lurie, Montgomery Blair High School. Recursive surreal numbers, Part II (original results).
March 3. Combinatorics Seminar. Lenore Cowen, The Johns Hopkins University.
March 7. COLLOQUIUM. Stephen Sawin, MIT. Links, Three-Manifolds, and the Thermodynamic Limit
March 10. COLLOQUIUM. Jozef Przytycki, UC Berkeley. 3-coloring and other elementary invariants of knots.
March 17. DEPARTMENT COLLOQUIUM. Douglas Bullock, University of Iowa. State Sum Models and the Topology of 3-manifolds.
March 17. GRADUATE STUDENT SEMINAR. Clifford Hansen. Dynamics of Substitution Systems.
March 31. GRADUATE STUDENT SEMINAR. Tom Fitzkee. Locating the Well-ordered Periodic Points on the Angle Doubling Map on S^1.
March 29. Recursion Theory Seminar. George Hutchinson. Unsolvability results in algebra. UMCP, Mathematics Building, Room 2400.
April 7, DEPARTMENT COLLOQUIUM. Robbie Robinson. An overview of aperiodic tilings and dynamical systems theory.
March 31. Combinatorics Seminar. MICHAEL BRIDGLAND, Supercomputer Research Center, Bowie. THE SPANNING-TREE CLOSURE OF THE PATH AND THE STAR.
April 4. Recursion Theory Seminar. Tim McNichol. Lachlan's Nonbounding Theorem, Part I. UMCP, Mathematics Building, Room 2400.
April 7. Combinatorics Seminar. T.S. MICHAEL, U.S. Naval Academy. TOURNAMENTS AND RANKS.
April 14. GRADUATE STUDENT SEMINAR. Ali Enayat, American University. From Finite Fields to Complex Numbers via Ultraproducts.
April 12. Recursion Theory Seminar. Tim McNicholl. Lachlan's Nonbounding Theorem, Part I. UMCP, Mathematics Building, Room 2400.
April 14. Combinatorics Seminar. RUTH SILVERMAN, Univ. of the District of Columbia. ALGORITHMS FOR NEAREST NEIGHBOR SEARCHING
April 21. DEPARTMENT COLLOQUIUM. Shuguang Wang, University of Missouri. Topics in Seiberg-Witten Theory.
April 28. DEPARTMENT COLLOQUIUM. Elbert Walker, New Mexico State University. DeMORGAN SYSTEMS ON THE UNIT INTERVAL.
April 26. Recursion Theory Seminar. Miriam Harris-Botzum. Fixed Parameter Complexity. UMCP, Mathematics Building, Room 2400.
April
28. Desiree Beck, National Security Agency. PERMUTATION ENUMERATION AND
THE COMBINATORICS OF SYMMETRIC FUNCTIONS
Department
Colloquia and Seminars, 1995-96
Yongwu
Rong, Colloquium Organizer
Sept. 8 DEPARTMENT COLLOQUIUM. Irfan Altas, School of Information Studies, Charles Sturt University, NSW, Australia. A Variational Image Enhancement Algorithm on Parallel Virtual Machine (PVM) Environment.
Sept. 15. DEPARTMENT COLLOQUIUM. Samuel J. Lomonaco, Jr. University of Maryland Baltimore County. The Modern Legacies of Thomson's Atomic Vortex Theory in Classical Electrodynamics.
Sept. 12. Recursion Theory Seminar. William Gasarch. The bounded query complexity of parity. Mathematics Building, Room 3206, Univ. of Maryland
Sept 15. Topology Seminar. Jozef Przytycki. Kauffman bracket and skein modules.
Sept. 22. GRADUATE STUDENT SEMINAR. Ashay Dharwadker, The George Washington University. A Representation Theory for Moufang Loops.
Sept. 22. Topology Seminar. Jozef Przytycki. Kauffman bracket and skein modules.
Sept. 22. Combinatorics Seminar. Louis Shapiro, Howard University. Lattice paths, q-counting, and a queue problem.
Sept. 26. Recursion Theory Seminar. Valentina Harizanov. Turing degrees of certain images of recursive relations. Mathematics Building, Room 1101, Univ. of Maryland
Sept. 29. Topology Seminar. Jozef Przytycki. Skein modules of 3-manifolds
Sept. 29. Combinatorics Seminar. Bela Bajnok, Gettysburg College. Cutsets in the Boolean lattice
Oct. 6. DEPARTMENT COLLOQUIUM. Jozef Przytycki, The George Washington University. Lissajous knots, billiard knots and their symmetry.
Oct 3. Recursion Theory Seminar. Michael Moses. Finite Model Theory, Part I. Mathematics Building, Room 1101, Univ. of Maryland.
Oct 6. Topology Seminar. Yongwu Rong. Dehn Surgery and Kirby's Calculus
Oct 6. Combinatorics Seminar. Leslie Hall, The Johns Hopkins University. Complexity and approximability of shop scheduling.
Oct 13. DEPARTMENT COLLOQUIUM.Rod Downey, Victoria University of Wellington, Wellington, New Zealand, and Cornell University. Conway's Unpredictable Iterations.
Oct 12. Recursion Theory Seminar. Rod Downey, Victoria University of Wellington, New Zealand. There is no fat orbit. Mathematics Building, Room 1101, Univ. of Maryland.
Oct 13. Topology Seminar. Yongwu Rong. Dehn Surgery and Kirby's Calculus (continued)
Oct 13. Graduate Student Combinatorics Seminar. Michael Matsko. The associahedron (after C. Lee)
Oct 20. GRADUATE STUDENT SEMINAR. Jules Kouatchou and Jun Zhang, the George Washington University. A High-Order Multigrid Solver for Convection-Diffusion Equations
Oct 17. Recursion Theory Seminar. Michael Moses. Finite Model Theory (continued). Mathematics Building, Room 1101, Univ. of Maryland
Oct 20. Topology Seminar. Jozef Przytycki. Kirby moves and the Kauffman bracket skein modules
Oct 27. GRADUATE STUDENT SEMINAR . Michael McDaniel, The George Washington University. On The Dimension of the Space of Vassiliev Invariants.
Oct 24. Recursion Theory Seminar. Michael Moses. Finite Model Theory (continued). Mathematics Building, Room 1101, Univ. of Maryland.
Oct 27. Topology Seminar . Jozef Przytycki. Kirby moves and the Kauffman bracket skein modules
Oct 27. Graduate Student Combinatorics Seminar. Amir Pirnazar, George Washington University. Girth, chromatic number, and fractional chromatic number.
Nov 3. Gil Kalai, Hebrew University of Jerusalem and Institute for Advanced Study, Princeton. Combinatorics and Convexity
Oct 31. Recursion Theory Seminar. Bill Gasarch, UMCP. Suslin's Theorem. Mathematics Building, Room 1101, Univ. of Maryland.
Nov 3. Special Topology Seminar. Prof. Witold Rosicki, Institute of Mathematics, Gdansk University, Poland. On the Uniqueness of Decomposition of Polyhedra into Cartesian Product.
Nov 3. Combinatorics Seminar. Gil Kalai, Hebrew University of Jerusalem & IAS, Princeton. Combinatorics of the Simplex Algorithm
Nov 10. DEPARTMENT COLLOQUIA. Bruce Sagan, Michigan State University. Characteristic, Chromatic and Ehrhart Polynomials.
Nov 7. Recursion Theory Seminar. Bill Gasarch. Descriptive set theory, Part II. Mathematics Building, Room 1101, Univ. of Maryland
Nov 10. Combinatorics Seminar. Bruce Sagan, Michigan State University. Beyond Semimodular Lattices
Nov 17. DEPARTMENT COLLOQUIA. Feng Luo, Rutgers University. Simple Closed Curves in Compact Surfaces.
Nov 14. Recursion Theory Seminar. Bill Gasarch. Descriptive set theory, Part III. Mathematics Building, Room 1101, Univ. of Maryland
Nov 17. Topology Seminar. Sikora/Przytycki. The Kauffman bracket skein algebra of a surface cross interval is finitely generated.
Nov 21. Recursion Theory Seminar. George Hutchinson. Computability problems for lattice theory equations, Part 1. Mathematics Building, Room 3206*, Univ. of Maryland
Nov 28. Recursion Theory Seminar. George Hutchinson. Computability problems for lattice theory equations, Part 2. Mathematics Building, Room 3206, Univ. of Maryland
Dec 1. Topology Seminar. Przytycki/Sikora. The structure of the Kauffman bracket skein algebra of torus cross interval and punctured torus cross interval.
Dec 1. Combinatorics Seminar. Teresa Przytycka, Odense University and UMBC. Philogenic trees - construction and comparison.
Dec 8. Graduate Student Seminar. Marisa Pennington. Fermat's Last Theorem: 1637-1994
Dec 5. Recursion Theory Seminar. Valentina Harizanov. Initial segments of recursive linear orderings. Mathematics Building, Room 3206, Univ. of Maryland
Jan 19. DEPARTMENT COLLOQUIUM. Alan Penn, George Washington University. Fractal Dimension of Finite Data Sets.
Jan 16. Recursion Theory Seminar. Bill Gasarch, UMCP. Promptly Simple Sets. Mathematics Building, Room B4031, Univ. of Maryland
Jan 26. GRADUATE STUDENT SEMINAR. Michael Moses, The George Washington University. Robertson and Seymour, Kruskal and Kuratowski, Hilbert and Godel, Hercules and Friedman, and more ...
DEPARTMENT COLLOQUIUM ---
Feb..2. DEPARTMENT COLLOQUIUM. Bill Goldman, University of Maryland at College Park. Ergodic Theory on Moduli spaces.
Feb. 2. Topology Seminar. John McCabe. Braids and Statistical Physics
Feb. 5. Dynamics Seminar. Deb Heicklen, University of Maryland at College Park. Classifying measurable dynamical systems.
Feb 16. GRADUATE STUDENT SEMINAR. Adam Sikora, The George Washington University. Skein modules of 3-manifolds, skein algebras of groups and character varieties of representations of groups into SL_2(C).
Feb 16. Topology Seminar. Yongwu Rong. Vassiliev Invariants, II - Weight Systems
Feb 23. DEPARTMENT COLLOQUIUM. Valentina Harizanov, The George Washington University. Computable aspects of models.
Feb 23. Topology Seminar. Adam Sikora. Skein algebra and character varieties
Feb 23. Dynamics Seminar. Robbie Robinson. Diffeomorphisms of surfaces (after Thurston).
Feb 27. Recursion Theory Seminar. Jim Owings, UMCP. The Exact Pair Theorem. UMCP, Mathematics Building, Room 0305
March 1. Topology Seminar. Adam Sikora. Skein algebra and character varieties, II
March 8. DEPARTMENT COLLOQUIUM. Shicheng Wang, Peking University, Beijing, P. R. China. Covering Degrees of Manifolds and Embedding Indices of Groups
March 5. Recursion Theory Seminar. Valentina Harizanov. Friedberg Splittings. UMCP, Mathematics Building, Room 0305
March 8. Topology Seminar. Shicheng Wang, Peking University, P. R. China. Degree one maps onto lens spaces.
March 8. Panel Discussion on Precalculus-Calculus. Guest Panelists:Professors Alicia Sevilla and Kay Sommers, Moravian College. INTEGRATED PRECALCULUS-CALCULUS I COURSE
March 15. GRADUATE STUDENT SEMINAR. Tom Fitzkee, George Washington University. An Example of a Semi-conjugacy between an Interval Exchange and a Translation on the Torus
March 29. Department Colloquium. Jeff Weeks, The Geometry Center, Minnesota. Introduction to the Geometry of 3-Manifolds.
March 29. Topology Seminar. Jeff Weeks, The Geometry Center, Minnesota. Hands-On SnapPea Session
April 5. DEPARTMENT COLLOQUIUM. Richard Stanley, MIT. Graphical Degree Sequences and Convex Polytopes.
April 11, Combinatorics Seminar. Ashay Dharwadker, GW Split extensions of groups
April 12. DEPARTMENT COLLOQUIUM. Bill Goldman, UMCP. Ergodic Theory on Moduli spaces
April 12. Topology Seminar. Steve Sawin, MIT. Reconstructing a Topological Quantum Field Theory From Its Associated Closed Manifold Invariant
April 19. DEPARTMENT COLLOQUIUM & GRADUATE SEMINAR. Jacob Lurie, Montgomery Blair High School Senior, 1st Prize Winner of the 1996 Westinghouse Science Talent Search. Recursive Surreal Numbers.
April
5. GW COMBINATORICS MINI-SYMPOSIUM
Rodica
Simion, Organizer
May 3. Special Topology Seminar. Dan Silver, University of South Alabama. Knots and shifts of finite type.
Informal Conference on Multidimensional Cocycles. Thusday and Friday June 6-7, 1996: 307 Funger Hall. Organizers: E. Arthur Robinson, Jr & Nelson Markley (UMCP)
Thursday ,June 6
GWU
MATHEMATICS COLLOQUIUM AND SEMINARS IN 1996-97
Valentina
Harizanov, Colloquium Organizer
Colloquium
9/6/96. Maximu Sokolov, GWU. "Turaev-viro method of constructing invariants of 3-dimensional manifolds"
9/13/96. Teresa Przytycka, UM. "The complaxity of string folding"
9/20/96. Hugo Junghenn, GWU. "The Bohr compactification of a group extension"
9/27/96. JoAnna Kania-Bartoszynska, Boise State University "Topological quantum feld theory and 3-dimensional manifolds"
10/4/96. Richard Snyder Laugesen, Johns Hopkins University "Extremals for eigenvalues of Laplacians"
10/11/96. Jun Zhang "Multigrid acceleration techniques and application"
10/18/96 Doug Bullock, Boise State Univesity "Skein quantizations"
10/25/96 Joseph Bonin, GWU "Matroids, basis-exchange properties, and syzygies"
11/1/96 Graduate Student Workshop "Qualifying Exams"
11/8/96 Thomas Seidman, UM Baltimore County "Scheduling of Manufacturing Systems"
11/15/96 Jim Owings, UM "A new Proof of the symmetric marriage Theorem"
11/22/96 Richard Brown, UM "The dynamics of surface diffeomorphisms on moduli spaces"
12/6/96 Jules Kouatchou, GWU "Climate modeling"
1/24/97 Mark Kidwell, Naval Academy and GWU "Coin flips, combed braids and Catalan numbers"
1/31/97 Micahael Monastyrsky, Moscow Univ. "Modern Mathematics in the light of Fields Medals"
2/7/97 Dan Ullman, GW. An introduction to total coloring.
2/7/97 Roman Sznajder, Bowie State University "Some applications of the contraction mapping principle iterative schemes"
2/14/97 Sergei Matveeev, Chelyabinsk State U. and MSRI "A simple construction and properties of 3-manifold invariants of Turaev-Viro type"
2/21/97 Hongxun Qui, GWU "The probabilistic method in combinatorics"
2/28/97 Rumen Dimitrov, GWU "Computation over abstract structures"
2/28/97. Joseph Bonin. Matroids with no 8 point line minors
3/7/97 Elisabeth Finkelstein, Hunter college, CUNY "Tubed incompressible surface in knot and link complements"
3/28/97 Doug Cenzer, University of Florida "Feasible Model theory"
4/4/97 Terenzio Scapolla, Univ. of Pavia, Italy "Hierarchic high order finite elements for plates and shells"
4/11/97 Joan Birman, Columbia University "Recognizing the unknot"
4/18/97 Alexandra Shlapentokh, East Carolina U "The Diophantine problem for pseudo-integers"
4/25/97 David Yand Gao, virginia Tech "Duality in nonconvex variational problems with applications in nonlinear birfurcation and phase transitions"
4/30/97 Shunji Ito, Tsuda College, Tokyo, Japan "Jacobi-Perron algorithm and fractal tilings"
Combinatorics Seminar:
2/7/97 Dan Ullman, GWU "An Introduction to Total Coloring"
2/14/97 Hongxun Qin, GWU "Discrepancy"
2/21/97 Hernan Abeledo, GWU "Benzenoid Hydrocarbons and Integral Polyhedra"
2/28/97 Joseph E. Bonin, GWU "Matroids with No 8-Point-Line Minors
3/7/97Rodica Simion, GWU "S_n Actions on Partially Ordered Sets"
3/14/97 "Open Mike" Problem Seminar.
3/28/97 Sandra Kingan, System Simulation Solutions, Inc. "Matroid Structure"
4/11/97 Frank Sottile, MSRI and University of Toronto "Partial Orders on the Symmetric Group and the Multiplication of Schubert Polynomials"
4/18/97 Frank Bernhart, Paul Kainen, and Michael Somos "Some results connected with graphs and Catalan numbers
4/25/97 Dave Gunderson, Howard University "Recent results in extremal and Ramsey theory"
5/5/97 Omer Egecioglu, UC Santa Barbara "Functins for Linear Diophantine Systems with Applications to Lower Bound Computations
Dynamics Seminar
2/21/97 "Working seminar in Symbolic Dynamics"
2/28/97 "Working seminar in Symbolic Dynamics"
3/7/97 "Working seminar in Symbolic Dynamics"
3/14/97 "Working seminar in Symbolic Dynamics"
3/28/97 "Working seminar in Symbolic Dynamics"
4/4/97 "Working seminar in Symbolic Dynamics"
4/11/97 "Working seminar in Symbolic Dynamics"
4/18/97 "Working seminar in Symbolic Dynamics"
4/25/97 "Working seminar in Symbolic Dynamics"
Logic Seminar
9/6/96 Michael Moses, GWU "Some Questions in Effective Mathematics, Part I"
9/13/96 Michael Moses, GWU "Some Questions in Effective Mathematics, Part II Intrinsically Non-Recursive Relations"
9/27/96 Michael Moses, GWU "Some Questions in Effective Mathematics, Part III Intrinsically Non-Recursive Relations"
10/4/98 Michael Moses, GWU "Some Questions in Effective Mathematics, Part IV"
10/11/96 Rumen Dimitrov, GWU "Generalized Computability, Part I"
10/18/96 Rumen Dimitrov, GWU "Generalized Computability, Part II"
10/25/96 Rumen Dimitrov, GWU "Generalized Computability, Part III"
11/8/96 Valentina Harizanov, GWU "Forcing in Computability Theory"
11/15/96 Valentina Harizanov, GWU "Computably Enumerable Generic Sets"
11/22/96 Valentina Harizanov, GWU "Generic Sets"
1/24/97 Michael Moses, GWU "Proof of the Robertson-Seymour Graph-Minor Theorem, Part I"
1/31/97 Michael Moses, GWU "Proof of the Robertson-Seymour Graph-Minor Theorem, Part II"
2/7/97 Michael Moses, GWU "Proof of the Robertson-Seymour Graph-Minor Theorem, Part III"
2/14/97 Michael Moses, GWU "Proof of the Robertson-Seymour Graph-Minor Theorem, Part IV"
2/21/97 Michael Moses, GWU "Diagonalizing Across R.E. Isomorphisms"
2/28/97 Valentina Harizanov, GWU "Simplicity in Computable Structures"
3/7/97 Valentina Harizanov, GWU "Quasi-Simple Relations and Their Turing Degrees:
4/4/97 Rumen Dimitrov, GWU "Definability via Enumerations"
4/18/97 Valentina Harizanov, GWU "Algorithmic Properties of Algebraic Structures"
4/25/97 Michael Moses, GWU "Recursive Boolean Algebras, Part I"
5/2/97 Michael Moses, GWU "Recursive Boolean Algebras, Part II"
Topology Seminar
9/20/96 Michael McDaniel, GWU "Vassiliev Invariants, Part I"
9/27/96 Michael McDaniel, GWU "Vassiliev Invariants, Part II"
10/4/96 Yongwu Rong, GWU "Vassiliev Invariants, Part III"
10/18-20/96 The Third Conference on Knot Theory and Its Ramifications
10/25/96 Mark Kidwell, Naval Academy and GWU "Introduction to Fibered Knots"
11/196 Mark Kidwell, Naval Academy and GWU "Fibered Knots and Signed Graphs''
Combinatorics Seminar, Summer 1997 Rodica Simion, Organizer
June 9, 1997 Louis Shapiro, Howard University. Schroeder numbers
June 20, 1997 Frank Schmidt, GW.Lecture hall partitions
June 25, 1997 Laura Anderson, University of Indiana and MSRI.Coxeter matroids, I
June 26, 1997 Laura Anderson, University of Indiana and MSRI. Coxeter matroids, II
June 27, 1997 Laura Anderson, University of Indiana and MSRI. Coxeter matroids, III
July 1, 1997. Dan Ullman, GW. Patterns in permutations
July 23, 1997 Sara Billey, MIT. Kostant polynomials and the Schubert calculus
July 25, 1997 Leila Schneps, Ecole Polytechnique, Paris. Dessins d'enfants, I
July 29, 1997. Leila Schneps, Ecole Polytechnique, Paris. Dessins d'enfants, II
July 30, 1997. Ruth Haas, Smith College. Decomposing graphs into trees
August
14, 1997. Rodica Simion, GW. Graph coloring and determinants
GWU
MATHEMATICS COLLOQUIUM AND SEMINARS IN 1997-98
Valentina
Harizanov, Colloquium Organizer
DEPARTMENT COLLOQUIUM
September 12, 1997 Speaker: Tom Fitzkee, GWU Title: Weakly Mixing Tiling Flows Arising from Interval Exchange Transformations
September 19, 1997 Speaker: Youngwu Rong, GWU Title: Counting Vassiliev Invariants
September 26, 1997 Speaker: Yung-Fu Fang, University of Maryland Title: Existence and Uniqueness for Boussinesq Type Equations and Some Other Equations on a Circle}
October 17, 1997 Speaker: Ali Enayat, American University Title: Perfect Generalizations of Ramsey's Theorem
October 24, 1997 Speaker: Ted Stanford, Naval Academy Title: On the Kernel and Image Problems for Vassiliev Invariants
November 14, 1997 Speaker: Michael Veve, GWU and Radio Dynamics Corporation Title: Detecting Torsion in the Kauffman Bracket Skein Module of a 3-Manifold (after Jozef Przytycki)
November 21, 1997 Speaker: Bigyani Das, US Food and Drug Administration, Rockville, MD Title: Mathematical Modeling of Blood Flow in Venular Microcirculation
December 5, 1997 Speaker: Michael Monastyrsky, Moscow University Title: Riemann and the Influence of His Work on the Modern Science
February 13, 1998 Speaker: Mihai Ciucu, Institute for Advanced Study, Princeton Title: Enumeration of Perfect Matchings in Graphs with Reflective Symmetry
February 20, 1998 Speaker: Alan Penn, GWU Title: Statistical Fractal Border Features for MRI Breast Mass Images
February 27, 1998 Speaker: Ding Feng, GWU Title: Functionals on Special Topological Spaces
March 6, 1998 Speaker: Nantel Bergeron, York University, Toronto Title: Decent Algebra: Definitions, Examples and Applications
March 13, 1998 Speaker: Christos Athanasiadis, University of Pennsylvania Title: Subdivisions of Polytopes, Fiber Polytopes and the Generalized Baues Problem
Friday, March 27, 1998 Speaker: Oliver Dasbach, Heinrich-Heine-Universitat and Columbia University Title: Faster, higher, stronger? - Vassiliev knot invariants
Friday, April 3, 1998 Speaker: Arun Ram, Princeton University Title: A Group Tour of Combinatorial Representation Theory
Friday, April 17, 1998 Speaker: Tamara Hummel, Allegheny College Title: Effective Versions of Ramsey's Theorem
Friday, May 1, 1998 Speaker: Vera Kurkova, Institute of Computer Science, Prague Title: Variation with Respect to a Family of Functions and Non-Linear Approximation
Tuesday, April 21, 1998 Speaker: Nancy Cunningham, Rice University Title: An Introduction to Spaces of Minimal Surfaces
GRADUATE STUDENT SEMINAR
October 3, 1997 Speaker: Michael Moses, GWU Boolean Algebras, Topological Spaces, and Mathematical Logic
October 31, 1997 Speaker: Amir Togha, GWU Title: Linearly Ordered Sets; a Short Tour
GRADUATE STUDENT COMBINATORICS SEMINAR
October 10, 1997 Speaker: Joseph E. Bonin Title: Extremal Matroid Theory: Graph Results and Matroid Conjectures, Part I
October 17, 1997 Speaker: Joseph E. Bonin Title: Extremal Matroid Theory: Graph Results and Matroid Conjectures, Part II
October 24, 1997 Speaker: Joseph E. Bonin, GWU Title: Extremal Matroid Theory: Graph Results and Matroid Conjectures, Part III
October 24, 1997 Speaker: Alina Raischi, GWU Title: A Graph Theoretic Application of Algebraic Combinatorics (after Richard Stanley)
November 14, 1997 Speaker: Maxim Sokolov, GWU Title: The Chromatic Number of Kneser Graphs (after L. Lov'asz & I. B'ar'any)
December 5, 1997 Speaker: Hongxun Qin, GWU Title: The Erdos-Stone Theorem
December 5, 1997 Speaker: Geoff McKenna Title: Self-Complementary Graphs
JOINT COMBINATORICS AND TOPOLOGY GRADUATE STUDENT SEMINAR
February 27, 1998 Speaker: Tatsuya Tsukamoto, GWU Title: Any Knot Is Inevitable in a Regular Projection of a Planar Graph
COMBINATORICS SEMINAR
November 14, 1997 Speaker: Louis Shapiro, Howard University Title: Expectations and Random Walks
November 21, 1997 Speaker: Walter Morris, George Mason University Title: New Approaches to Bipartite Decompositions of Graphs
February 13, 1998 Speaker: Mihai Ciucu, Institute for Advanced Study, Princeton Title: An Improved Upper Bound for the Three-Dimensional Dimer Problem
February 13, 1998 Speaker: Sinai Robins, Temple University Title: Counting Lattice Points and Solid Angles in Lattice Polyhedra
February 27, 1998, 2:30p.m Speaker: Bela Bajnok, Gettysburg College Title: Spherical Designs - An Overview
March 6, 1998 Speaker: Nantel Bergeron, York University, Toronto Title: Descent Algebra, II: Results, Conjectures and Open Problems
March 6, 1998 Speaker: Serkan Hosten, George Mason University Title: The Order Dimension of the Complete Graph and Scarf Complexes of Monomial Ideals
Friday, March 13, 1998 Speaker: Christos Athanasiadis, University of Pennsylvania Title: Noncrossing Partitions, Nonnesting Partitions and Hyperplane
Friday, March 13, 1998 Speaker: Christos Athanasiadis, University of Pennsylvania Title: Combinatorics of an Interesting Arrangement of Hyperplanes
Friday, March 27, 1998 Speaker: Manoj K. Chari, Louisiana State University Title: A topological approach to an invariant of graphs and matroids
Friday, March 27, 1998 Speaker: Ed Swartz, University of Maryland Title: Matroids and spherical quotie