Northwestern University Mathematical Calendar

Previous Entries
Year 1997


Thursday, January 6, 1997

Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Youngna Choi, Northwestern University
Title: Chaos and Topological Entropy
Contact Info here
Geometry/Physics Seminar Lunt 107, 4:00pm
Professor Ezra Getzler, Northwestern University
Title: Hilbert schemes of surfaces
Contact Info here
Friday, January 14, 1997

Seminar in Nonlinear Science Tech 3396, 1:30pm
Professor T. Shinbrot, Northwestern University
Title: Predictive models for granular convection and pattern formation
Abstract and details available
Tuesday, January 21, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Mark Walker, University of Nebraska, Lincoln
Title: A filtration of K(R) using projective lines
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Thomas Nystrom, Northwestern University
Title: Multipliers for generalized Tchebycheff polynomials
Contact Info here
Thursday, January 23, 1997

PDE Seminar Lunt 103, 4:10pm
Professor Vladimir Sverak, University of Minnesota
Title: On regularity of solutions of non-linear parabolic systems
Contact Info here
Saturday, January 25, 1997

Winter Midwest Topology Seminar

Monday, January 27, 1997

Topology Seminar Lunt 104, 4:10pm
Professor Eric Friedlander, Northwestern University
Title: Graphing integral cycles and Poincare duality
Contact Info here
Tuesday, January 28, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Yuri Tschinkel, University of Illinois, Chicago
Title: Saturated varieties
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Professor Jeff Xia, Northwestern University
Title: Homoclinic orbits and local variational principle
Contact Info here
Thursday, January 30, 1997

Geometry/Physics Seminar Lunt 105, 4:00pm
Professor Mikhail Kapranov, Northwestern University
Title: Konstevich's approach to Rozansky-Witten invariants (concluded)
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Tifei Qian, Northwestern University
Title: Homoclinic tangencies and Henon-like area-preserving diffeomorphisms, Part II
Contact Info here
Friday, January 31, 1997

Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Bryna Kra, University of Michigan
Title: The conjugating map for commutative groups of circle diffeomorphisms
Special Note: Note unusual day of the week
Contact Info here
Seminar in Nonlinear Science Tech 3396, 1:30pm
Professor M. Brenner, MIT
Title: Illuminating Sonoluminescence
Abstract and details available
Special Seminar Lunt 105, 3:00pm
Professor Fedor Nazarov, Michigan State University
Title: Little level theorem and Zero-Khinchin inequality for sums of independent random variables
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Charles Pugh, University of California at Berkeley
Title: TBA
Contact Info here
ESAM Seminar in Nonlinear Science Tech 3396, 1:30pm
Professor W. Kang, U. Chicago
Title: tba
Contact Info here
PDE Seminar Lunt 103, 4:15pm
Professor , Northwestern University
Title:
Contact Info here
PDE Seminar Lunt 103, 4:15pm
Professor , Northwestern University
Title:
Contact Info here
Special Seminar Lunt 105, 4:10pm
Professor Richard Laugesen, Johns Hopkins University
Title: TBA
Contact Info here
Monday, February 3, 1997

Tech Colloquium Tech 3396, 4:00pm
Professor A.C. Morlet, Northern Illinois University and Cleveland State University
Title: What can regularization do for you?
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Dikran Karagueuzian, Northwestern University
Title: Essential Cohomology of Finite Groups
Contact Info here
Tuesday, February 4, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Victor Ginzburg, University of Chicago
Title: Algebraic aspects of double-loop Lie algebras and their quantizations
Contact Info here
Special Seminar Lunt 105, 3:00pm
Professor Eckhard Meinrenken, MIT
Title: Symplectic reduction and the equivariant index
Abstract and details available
Thursday, February 6, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor J.M. Restrepo, UC Los Angeles
Title: Wave-generated mass transport and sand bars
Contact Info here
Geometry/Physics Seminar Lunt 107, 4:00pm
Professor Ezra Getzler, Northwestern University
Title: Hilbrt schemes of points
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Professor Jeff Xia, Northwestern University
Title: Title to be announced
Contact Info here
Friday, February 7, 1997

ESAM Seminar in Nonlinear Science Tech 3396, 1:30pm
Professor F. Cattaneo, U. Chicago
Title: Linear and Nonlinear Dynamos
Abstract and details available
Monday, February 9, 1997

ESAM Colloquium Tech M416, 4:00pm
Dr. M. Short, U. Illinois
Title: Multi-dimensional instability of detonation waves
Contact Info here
Monday, February 10, 1997

Special Seminar Lunt 105, 3:00pm
Professor Richard Laugesen, Johns Hopkins University
Title: Extremal Eigenvalues of Laplacians and Bi-Laplacians
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor John Klein, University of Bielefeld and Purdue University
Title: Recent progress in the theory of embedding
Contact Info here
Tuesday, February 11, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Gopal Prasad, University of Michigan
Title: Computation of the metaplectic kernel
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Professor Elton Hsu, Northwestern University
Title: Logarithmic Sobolev Inequalities in Path Space
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Viorel Nitica, Indiana University
Title: TBA
Contact Info here
Thursday, February 13, 1997

ESAM Colloquium Tech 3396, 4:00pm
Dr. G. Luther, Hewlett-Packard Labs
Title: Towards a systems theory for nonlinear optics
Contact Info here
Geometry/Physics Seminar Lunt 107, 4:00pm
Gary Gutman,
Title: Overview of Symplectic Cobordism
Contact Info here
Friday, February 14, 1997

ESAM Seminar in Nonlinear Science Tech 3396, 1:30pm
Professor T. Shinbrot, Northwestern University
Title: Predictive models for granular convection and pattern formation
Abstract and details available
Special Seminar Lunt 105, 3:00pm
Professor Chengbo Yue, Penn State University
Title: Rigidity and Dynamics on Manifolds of Negative Curvature
Contact Info here
Monday, February 17, 1997

PDE Seminar Lunt 105, 3:00pm
Professor Yanni Zeng, SUNY at Stony Brook
Title: Nonlinear Systems of Conservation Laws in Composite Type
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Jeff Strom, University of Wisconsin, Madison
Title: A Special Case of Ganea's Conjecture
Contact Info here
Tuesday, February 18, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Steve Doty, Loyola University
Title: A class of finite-dimensional algebras associated with tensor products of representations
Contact Info here
Thursday, February 20, 1997

Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Charles Pugh, University of California at Berkeley
Title: Stable ergodicity and extra regularity of invariant foliations
Contact Info here
ESAM Colloquium Tech 3396, 4:00pm
Professor T. Witelski, MIT
Title: Lubrication theory for gas bearing sliders in disk drives
Contact Info here
PDE Seminar Lunt 105, 3:00pm
Professor Jay Kovats, University of Minnesota
Title: Regularity of Fully Nonlinear Elliptic Equations and Dani Condition
Contact Info here
PDE Seminar Lunt 103, 4:15pm
Changyou Wang, U Chicago
Title: Harmonic and Quasi-Harmonic Spheres
Abstract and details available
Friday, February 21, 1997

ESAM Seminar in Nonlinear Science Tech 3396, 1:30pm
Professor I. Aranson, Argonne Natl. Lab and Bar-Ilan U.
Title: Dynamic transitions in moving vortex system subject quenched disorder
Abstract and details available
Special Seminar Lunt 105, 3:00pm
Professor Ping Xu, Penn State University
Title: Symplectic realization of Poisson manifolds
Contact Info here
Monday, February 24, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor A.A. Nepomnyashchy, Technion, Israel
Title: Marangoni Patterns and Waves
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor L. Nicolaescu, University of Michigan
Title: Adiabatic Limits of 3-dimensional Seiberg-Witten Equations
Contact Info here
Special Seminar Lunt 105, 3:00PM
Professor Ian Grojnowski,
Title: Hecke algebras and their representations
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Dev Sinha, Stanford University
Title: Computations of Equivariant Bordism Rings: A Geometric Approach
Contact Info here
Tuesday, February 25, 1997

Analysis Seminar Lunt 107, 4:00pm
Professor Elton Hsu , Northwestern University
Title: Logarithmic Sobolev Inequalities in Path Space
Contact Info here
PDE Seminar Lunt 105, 3:00pm
Professor Mikhail Feldman, University of California at Berkeley
Title: Mass Transfer and Nonlocal Geometric Motion
Contact Info here
Wednesday, February 26, 1997

Geometry/Physics Seminar , 4:00pm
Gary Gutman,
Title: Overview of Symplectic Cobordism
Special Note: Note the unusual date (Wednesday, not Thursday!)
Contact Info here
Thursday, February 27, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor A. Tomboulides, Swiss Federal Inst. Tech.
Title: Numerical Simulation of Low-Mach-Number Combustion
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Sara Asher, Northwestern University
Title: Zeta Functions
Contact Info here
PDE Seminar Lunt 103, 4:15pm
Professor Michel Rascle, University of Nice
Title: Measure Solutions to the Linear Multi-Dimensional Transport Equation with Non-smooth Coefficients
Contact Info here
Friday, February 28, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3396, 1:30pm
Professor R. Almgren, U. Chicago
Title: Phase-Field Asymptotics for Unequal Diffusivities
Abstract and details available
Monday, March 0, 1997

Topology Seminar Lunt 104, 4:00pm
Professor James Milgram,
Title: TBA
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Laurent Piriou, Northwestern University
Title: "Injectivity of the cohomology of an Eilenberg-MacLane space"
Contact Info here
Monday, March 3, 1997

ESAM Colloquium Tech LR 4, 12:00
Professor H. Huppert, Cambridge U.
Title: Violent Volcanic Eruptions and Gigantic Landslides
Special Note: joint colloquium with Mechanical Engineering
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Katsumi Shimomura, Tottori University
Title: The Adams Novikov $E_2$ term for $\pi_*(L_2M)$ at the prime 2
Contact Info here
Tuesday, March 4, 1997

Analysis Seminar Lunt 107, 4:00pm
Professor Thomas Ilmanen, Northwestern University
Title: The 1/H Flow and the Hawking-Penrose Conjecture
Abstract and details available
Dynamical Systems Seminar Lunt 105, 4:10pm
Professor John Franks, Northwestern University
Title: Surface diffeomorphisms with infinitely many periodic points
Contact Info here
Thursday, March 6, 1997

Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Youngna Choi , Northwestern University
Title: Chaos and Topological Entropy
Contact Info here
Friday, March 7, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3396, 1:30pm
Dr. C. Dettmann, Northwestern U.
Title: Crisis in the Lorentz gas
Abstract and details available
Topology Seminar Lunt 104, 4:10pm
Professor James Milgram, Stanford University
Title: The cohomology of 2-fold covers of Symmetric and alternating groups and relations to homotopy theory
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor James Milgram, Stanford University
Title: The cohomology of 2-fold covers of Symmetric and alternating groups and relations to homotopy theory
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Jim Milgram, Stanford University
Title: The cohomology of 2-fold covers of symmetric and alternating groups and relations to homotopy theory
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Jim Milgram, Stanford University
Title: The cohomology of 2-fold covers of symmetric and alternating groups and relations to homotopy theory
Contact Info here
Monday, March 10, 1997

Topology Seminar Lunt 104, 4:10pm
Professor Laurent Piriou, Northwestern University
Title: "Injectivity of the cohomology of an Eilenberg-MacLane space"
Contact Info here
Tuesday , March 11, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3396, 1:00pm
Professor R. Dorfman, U. Maryland
Title: Some Applications of Chaos Theory to Non-equilibrium Statistical Mechanics
Special Note: Note unusual day and time
Abstract and details available
Friday, March 14, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3396, 1:30pm
Professor W. Kang, U. Chicago
Title: Magneto-sonoluminescence: interplay of light and sound in magnetic fields
Contact Info here
Monday, March 17, 1997

PDE Seminar Lunt 105, 3:00pm
Professor Konstantina Trivisa, Carnegie Mellon University
Title: A Priori Estimates in Hyperbolic Systems of Conservation Laws
Contact Info here
Tuesday, March 18, 1997

Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Erik Doeff, Montana State University
Title: Pseudo-Anosov and the Mapping Class Group
Contact Info here
Wednesday, March 19, 1997

Topology Seminar Lunt 104, 4:10pm
Professor Hans-Werner Henn, Max Plank Inst. Bonn
Title: The L_2 localization of V(1) for P=3
Contact Info here
Thursday, April 0, 1997

PDE Seminar Lunt 103, 4:20pm
Professor Tom Seidman, UMBC
Title: Some Asymptotic Problems for a Reaction-Diffusion System
Abstract and details available
Special Seminar Lunt 105, 4:00pm
Professor Richard Hamilton, UCSD
Title: TBA
Special Note: Yamabe Lecture
Contact Info here
Friday, April 4, 1997

Colloquium Lunt 105, 4:00pm
Professor Ulrich Krengel , University of Gottingen
Title: On the history of probability theory
Contact Info here
Interdisciplinary Seminar in Nonlinear Science Tech 3396, 2:00pm
Professor G. Vattay, Eotvos U., Budapest, Hungary
Title: Periodic orbit theory in quantum and mesoscopic physics
Abstract and details available
Monday, April 7, 1997

Topology Seminar Lunt 104, 4:10pm
Professor James Milgram, Stanford University
Title: The cohomology of 2-fold covers of symmetric and alternating groups and relations to homotopy theory
Contact Info here
Tuesday, April 8, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Dikran Karagueuzian, Northwestern University and Univ. of Wisconsin-Madison
Title: Indecomposables in the symmetric algebra of a kG-module
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Yongmin Zhang, University of Chicago
Title: Numerical Solution of Two Free Boundary Problems
Abstract and details available
Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Clark Robinson, Northwestern
Title: Bifurcation to Lorenz attractor
Contact Info here
Thursday, April 10, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor S. Tanveer, Ohio State U.
Title: Dendrites and Complex Singularities
Contact Info here
Geometry/Physics Seminar Lunt 107, 4:00pm
Ezra Getzler,
Title: Topological gravity in two dimensions (work of Witten, ...)
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
John M. Alongi, Northwestern University
Title: Twist maps from elliptic fixed points
Abstract and details available
PDE Seminar Lunt 103, 4:15pm
Professor Elisabeth Logak, Ecole Normale Superieure at Paris
Title: Reaction-Diffusion Systems and Modified Motion by Mean Curvature
Contact Info here
Friday, April 11, 1997

Colloquium Lunt 105, 4:10pm
Professor Albrecht Dold, University of Heidelberg
Title: Indexes, traces, and other stable fixed point invariants
Contact Info here
Interdisciplinary Seminar in Nonlinear Science Tech 3396, 2:00pm
Professor U. Mueller, Forschungszentrum Karlsruhe, Germany
Title: Can the magnetic field of the earth be simulated in a laboratory experiment?
Abstract and details available
Monday, April 14, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor S.I. Hariharan, U. Akron
Title: On Exterior Problems in Unbounded Domains
Contact Info here
Tuesday, April 15, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Andrei Suslin, Northwestern University
Title: TBA
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Professor Gregory Fasshauer, Northwestern University
Title: Multistep Approximation Algorithms: Improved Convergence Rates through Postconditioning with Smoothing Kernels
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Amie Wilkinson, Northwestern
Title: Stably ergodic skew products
Contact Info here
Wednesday, April 16, 1997

Colloquium Lunt 105, 4:10pm
Professor Ed Saff, University of South Florida
Title: Distributing Many Points on a Sphere
Contact Info here
Thursday, April 17, 1997

ESAM Colloquium Tech 3396, 3:00pm
Professor C. Menyuk, U Maryland Baltimore County
Title: New Approaches for High Data Rate Fiber Transmission: 100Gbits/sec and Beyond
Contact Info here
Geometry/Physics Seminar Lunt 107, 4:00pm
Eric Zaslow, Harvard University
Title: Rational curves on K3
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Jason Holt, Northwestern University
Title: Flat doughnuts
Contact Info here
PDE Seminar Lunt 103, 4:20pm
Professor Thomas Seidman, University of Maryland
Title: Some Asymtotic Problems for a Reaction/Diffusion System
Abstract and details available
Special Seminar Lunt 104, 10:30am
Ming-Chia Li , Northwestern University
Title: Structural Stability for Numerical Methods
Special Note: Ph.D thesis defense
Contact Info here
Topology Seminar Lunt 104, 2:00pm
Professor Robert Oliver, University of Paris 13
Title: Equivariant K-theory for propoer actions of infinite groups
Contact Info here
Friday, April 18, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3396, 2:00pm
Professor J.D. Crawford, U. Pittsburgh
Title: Weakly unstable systems in the presence of neutrally stable modes
Abstract and details available
Saturday, April 19, 1997

Great Lakes K-theory Conference

Monday, April 21, 1997

Topology Seminar Lunt 104, 4:10pm
Professor Mark Mahowald, Northwestern University
Title: Formal group of height 2 over F_4
Contact Info here
Tuesday, April 22, 1997

Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Roza Galeeva, UNAM, Cuernavaca
Title: Stability of densities of invariant measures of interval maps
Contact Info here
Thursday, April 24, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor A. Yarin, Technion, Israel
Title: Impact of Drops on Solid Surfaces: Capillary and Shock Waves, and Shocks
Contact Info here
Geometry/Physics Seminar Lunt 107, 4:00pm
Ezra Getzler, Northwestern
Title: Topological Gravity in Two Dimensions continued.
Abstract and details available
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
David Richeson , Northwestern University
Title: Geodesics on S^2 and Annulus Homeomorphisms
Abstract and details available
PDE Seminar Lunt 103, 3:00pm
Professor Mei-Chi Shaw, Notre Dame
Title: The d-bar Neumann problem on pseudoconvex Lipschitz domains
Contact Info here
Friday, April 25, 1997

Colloquium Lunt 105, 4:00pm
Professor Elwyn Berlekamp, MSRI and UC Berkeley
Title: An overview of Mathematical Games
Special Note: A detailed abstract will be posted on the bulletin board
Contact Info here
Interdisciplinary Seminar in Nonlinear Science Tech 3396, 2:00pm
Professor A. Bernoff, Northwestern U.
Title: Longwave Models of Solidification: Self-similar Blow-up and its Regularization
Abstract and details available
Monday, April 28, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor L. Redekopp, U. Southern California
Title: The Interaction of Convection and Internal Waves: a Natural Codimension-3 Problem
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Mark Feshbach, University of Minnesota
Title: The mod 2 cohomology rings of the symmetric groups
Contact Info here
Tuesday, April 29, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Brian Parshall , University of Virginia
Title: Tilting Module
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Professor Roger Jones, DePaul University
Title: Oscillation Inequalities in Analysis and Ergodic Theory
Contact Info here
Thursday, May 0, 1997

PDE Seminar Lunt 103, 4:15pm
Professor ,
Title:
Contact Info here
Topology Seminar Lunt 105, 4:10pm
Professor Dikran Karagueuzian, Northwestern Univesrsity
Title: Introduction to MAGMA
Contact Info here
Thursday, May 1, 1997

Geometry/Physics Seminar Eckhart 106, U of C, 4:30pm
K. Fukaya, University of Kyoto
Title: C^\infty analogue of Schemes and Stacks and Arnold's Conjecture
Special Note: This talk is not ours, but is at the U of Chicago!
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Margaret Stawiska , Northwestern University
Title: Complex dynamics
Contact Info here
Friday, May 2, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3396, 2:00pm
Professor C. Doering, U. Michigan
Title: Convection, Stability and Turbulence
Abstract and details available
Monday, May 5, 1997

ESAM Colloquium Tech 3396, 4:00pm
Dr. G. Merchant, Deutsche Morgan Grenfell
Title: Application of Stochastic Models to Financial Derivatives
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Bill Richter,
Title: A Cartan formula for $\Omega U(n)$ and double coset formulas from the point of view of Dold's work
Contact Info here
Tuesday, May 6, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Mikhail Kapranov, Northwestern University
Title: TBA
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Peko Hosoi, University of Chicago
Title: Axial Instabilities of Free-Surface Flows in a Horizontal Rotating Cylinder
Contact Info here
Thursday, May 8, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor D.S. Cohen, CalTech
Title: New Asymptotic Scales for Moving Boundary Diffusion Problems
Contact Info here
PDE Seminar Lunt 103, 3:00pm
Professor Bennett Chow, Minnesota
Title: Geometric Interpretation of the Harnack Inequalities for the Ricci Flow
Contact Info here
PDE Seminar Lunt 103, 4:15pm
Professor Sigurd Angenent, University of Wisconsin
Title: Hole-Filling in Porous Media
Contact Info here
Friday, May 9, 1997

Colloquium Lunt 105, 4:00pm
Professor Richard Hamilton, UCSD
Title: The free-boundary problem for the porous medium equation
Special Note: Yamabe Lecture
Abstract and details available
Interdisciplinary Seminar in Nonlinear Science Tech 3396, 2:00pm
Professor J. Franks, Northwestern U.
Title: Periodic Points for Area Preserving Surface Homeomorphisms
Abstract and details available
Thursday, May 12, 1997

Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Rob Ghrist, U. of Texas
Title: Flows and Contact Topology
Contact Info here
ESAM Colloquium Tech 3396, 4:00pm
Professor H.-C. Chang, U. Notre Dame
Title: Coherent Structure Description of Falling Film Waves
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Alejandro Adem, University of Wisconsin
Title: Free group actions, extensions and cohomology
Contact Info here
Tuesday, May 13, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Steve Smith, University of Illinois-Chicago
Title: Quasithin Groups
Abstract and details available
Analysis Seminar Lunt 107, 4:00pm
Professor Nancy Stanton, University of Notre Dame
Title: Real Hypersurfaces in C^{n}
Contact Info here
Interdisciplinary Seminar in Nonlinear Science Tech 3396, 3:00pm
Prof. S. Dippel, FZ Juelich, Germany
Title: Dissipation in granular flow on a rough inclined plane
Abstract and details available
Thursday, May 15, 1997

ESAM Colloquium Tech M351, 4:30pm
Professor J.B. Keller, Stanford U.
Title: Muscle Mechanics and Locomotion
Special Note: This is the Nemmers Prize Lecture. It is jointly hosted with the Mathematics Department
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 2:00pm
Professor Todd Young, Northwestern University
Title: Bifurcation to a Universal Link
Contact Info here
Friday, May 16, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3396, 2:00pm
Professor A. Skeldon, City University, London, UK
Title: Generic stability results for steady periodic patterns and their application to convection problems
Abstract and details available
Monday, May 19, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor J.-M. Vandenbroeck, U. Wisconsin
Title: Singular Free Surface Flows
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Gregory Arone, University of Chicago
Title: TBA
Contact Info here
Tuesday, May 20, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Chris Bendel, Northwestern University
Title: Completely reducible homology complexes and (non)vanishing of cohomology for finite-dimensional Hopf algebras
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Professor Stephen Fisher, Northwestern University
Title: Asymptotic Distribution of Zeros of Minimal Blaschke Products
Contact Info here
Wednesday, May 21, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor R. Caflisch, UC Los Angeles
Title: Theory and application of quasi-Monte Carlo methods
Special Note: this talk is jointly sponsored with the Mathematics Department
Abstract and details available
PDE Seminar Tech 3396, 4:00pm
Professor R. Caflisch, University of California at Los Angeles
Title: Theory and Application of Quasi-Monte Carlo Methods
Special Note: Joint Seminar with ESAM Colloquium
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor William Dwyer, University of Notre Dame
Title: Homology decompositions of classifying spaces
Contact Info here
Thursday, May 22, 1997

Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Konstantin Mischaikow, Georgia Tech
Title: From Time Series to Dynamics: Chaotic Dynamics in a Magnetoelastic beam
Contact Info here
Geometry/Physics Seminar Lunt 107, 4:10pm
K. Fukaya, Kyoto University (visiting U of Chicago)
Title: A-infinity categories and topological field theory
Contact Info here
Tuesday, May 27, 1997

Analysis Seminar Lunt 107, 4:00pm
Professor J. Miles, UIUC
Title: A Fourier Series Method Applied to Growth Problems for Entire Functions
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Keith Burns,
Title: Stable ergodicity for Anosov diffeomorphisms
Contact Info here
Thursday, May 29, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor E.A. Spiegel, Columbia U.
Title: Convective Pattern Theory
Contact Info here
Friday, May 30, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3396, 2:00pm
Professor T. Young, Northwestern U.
Title: Triple collision in the Newtonian 3-body problem
Abstract and details available
Monday, June 2, 1997

ESAM Colloquium Tech 3396, 4:00pm
Professor J.B. Keller, Stanford U.
Title: Nonreflecting Boundary Conditions
Special Note: Chicago Area Applied Mathematics Colloquium
Contact Info here
Topology Seminar 105, 4:10pm
Professor Dikran Karagueuzian, Northwestern University
Title: Introduction to MAGMA
Contact Info here
Tuesday, June 3, 1997

Algebra Seminar Lunt 104, 4:10pm
Professor Steve Siegel, University of Massachusetts
Title: The Hochschild cohomology ring of a finite group
Special Note: Special Time
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Professor Galia Dafni, Northwestern University
Title: Distributions in local Hp
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Howie Weiss, Penn State University
Title: A complete Multifractal Analysis of Gibbs Measures and Applications to Ergodic Theory.
Contact Info here
Thursday, June 5, 1997

Dynamical Systems Seminar Lunt 105, 4:10pm
Dave Richeson, Northwestern
Title: Connection matrix pairs
Contact Info here
Friday, June 6, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3396, 2:00pm
Professor P. Cvitanovic, Northwestern U.
Title: Hopf's last hope: spatiotemporal chaos in terms of unstable recurrent patterns
Abstract and details available
Thursday, June 12, 1997

Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Rob Ghrist, U. of Texas
Title: Flows and Contact Topology
Contact Info here
Monday, June 16, 1997

PDE Seminar Lunt 106, 4:00pm
Professor Benoit Perthame, University of Paris 6 and Ecole Normale Superieure at Paris
Title: Semi-Kinetic Equations and Averaging Lemmas
Contact Info here
Friday, July 25, 1997

PDE Seminar Lunt 107, 4:00pm
Professor Helene Frankowska, University of Paris at Dauphine and CNRS
Title: Optimal Synthesis and Hamilton-Jacobi Equations
Contact Info here
Thursday, September 0, 1997

Geometry/Physics Seminar Lunt 107, 4:00pm
Professor Lisa Jeffrey, McGill University
Title: TBA
Contact Info here
Geometry/Physics Seminar Lunt 103, 4:10pm
Tom Graber, University of Chicago
Title: Localization and enumerative geometry
Contact Info here
Geometry/Physics Seminar Lunt 107, 4:15pm
Professor Lisa Jeffrey, McGill University
Title:
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor Olga Oleinik, Moscow State University, Russia
Title: Some Homogenization Problems in Perforated Domain with Nonperiodic Structure
Special Note: Chicago-Area PDE Colloquium
Contact Info here
Wednesday, September 17, 1997

Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Youngna Choi , Northwestern University
Title: One-dimensional Lorentz-like attractors
Contact Info here
Thursday, September 18, 1997

Analysis Seminar Lunt 107, 4:00pm
Professor Eli Liflyand, Bar Ilan University, Israel
Title: Lebesgue Constants of Multiple Fourier Series
Contact Info here
Monday, September 22, 1997

ESAM Colloquium Tech M416, 4:00pm
Professor M. Velarde , Univ. Complutense de Madrid
Title: Surface and internal waves driven by surfactant gradients and instability
Special Note: NOTE NEW LOCATION
Contact Info here
Topology Seminar Lunt 104, 3:00pm
Professor Charles Rezk, Northwestern University
Title: Spaces of Natural Transformations
Special Note: The talk in not at the usual time
Contact Info here
Thursday, September 25, 1997

Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Michael Shub, IBM T. J. Watson Research Center
Title: Stable ergodicity and julienne quasiconformality T. J. Watson
Contact Info here
Friday, September 26, 1997

Colloquium Lunt 105, 4:00pm
Professor Michael Shub, IBM T.J. Watson Research Center
Title: A Lefschetz principle for the problem "Does P equal NP?"
Contact Info here
Interdisciplinary Seminar in Nonlinear Science Tech 3827, 2:00pm
Professor Sara A. Solla, Northwestern University
Title: The Dynamics of Incremental Learning in Multilayered Neural Networks
Abstract and details available
Monday, September 29, 1997

Topology Seminar Lunt 104, 4:10pm
Professor William Richter,
Title: The Segal conjecture and the multiplicativity of stable splittings of BSp and \Omega SU(n)
Contact Info here
Tuesday, September 30, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Ralph Grieder, Northwestern University
Title: Finite Subgroups of Mapping Class Groups and their Induced Homological Action
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:10pm
Dave Richeson,
Title: Multivalued maps and the Conley index
Contact Info here
Thursday, October 0, 1997

PDE Seminar Lunt 103, 4:15pm
Professor ,
Title:
Contact Info here
Wednesday, October 1, 1997

Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
John M. Alongi, Northwestern University
Title: Rotation numbers and transverse homoclinic points
Contact Info here
Friday, October 3, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3827, 2:00pm
Professor Jonathan Robbins, U. Bristol and BRIMS, Hewlett-Packard Labs
Title: The spin-statistics relation from nonrelativistic quantum mechanics
Abstract and details available
Monday, October 6, 1997

Topology Seminar Lunt 104, 4:10pm
Professor Stephen Wilson, Johns Hopkins University
Title: Unstable BP homology
Contact Info here
Tuesday, October 7, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Mark Walker, Northwestern University
Title: The Primitive Topology
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:10pm
Professor Renato Feres , Washington University, St Louis
Title: Dynamical Systems and Semisimple Groups
Contact Info here
Wednesday, October 8, 1997

Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Tifei Qian , Northwestern University
Title: Cascade of elliptic periodic points with infintely many invariant curves
Contact Info here
Thursday, October 9, 1997

Geometry/Physics Seminar Lunt 103, 4:10pm
Tom Graber, University of Chicago
Title: Localization and enumerative geometry
Contact Info here
Friday, October 10, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3827, 2:00pm
Dr. Alexander Golovin, Northwestern University
Title: Effect of Anisotropy on Nonlinear Evolution of Morphological Instability in the Freezing of a Hypercooled Melt
Abstract and details available
Sunday, October 12, 1997

Nonlinear and Complex Systems

Monday, October 13, 1997

ESAM Colloquium Tech M416, 4:00pm
Dr. S.K. Wilson, U. Strathclyde, Glasgow, Scotland
Title: On Lubrication with comparable viscous and inertia forces
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Ib Madsen, Aarhus University
Title: On the K-theory of local fields
Contact Info here
Tuesday, October 14, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Marcelo Aguiar, Northwestern University
Title: Internal Categories and Quantum Groups
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Professor Irwin Kra, State University of New York at Stony Brook
Title: Ramanujan's Partition Identities
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:10pm
John Alongi, Nothwestern
Title: A pathwise intermediate value theorem for rotation vectors on compact surfaces
Contact Info here
Thursday, October 16, 1997

PDE Seminar Lunt 105, 4:10pm
Professor Olga Oleinik, Moscow State University
Title: Some Homogenization Problems in Perforated Domain with Nonperiodic Structures
Special Note: Chicago-Area PDE Colloquium
Contact Info here
Monday, October 20, 1997

ESAM Colloquium Tech M416, 4:00pm
Dr. D. Vaynblat, M.I.T.
Title: Large Amplitude Nonlinear Resonant Acoustic Waves without Shock
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Stewart Priddy, Northwestern University
Title: Stably decomposing products of classifying spaces
Contact Info here
Tuesday, October 21, 1997

Analysis Seminar Lunt 107, 4:00pm
Professor Chi-Wang Shu, Brown University
Title: Discontinuous Galerkin Method for Convection Dominated Problems
Abstract and details available
Interdisciplinary Seminar in Nonlinear Science Tech 3823, 2:00pm
Professor Mark Saffman, Risoe National Laboratory, Denmark
Title: Spatial dynamics in nonlinear optics: from disorder to control
Special Note: Please note unusual day and location!
Abstract and details available
Wednesday, October 22, 1997

Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Professor Clark Robinson , Northwestern University
Title: Homoclinic Bifurcation to a Lorenz Attractor
Contact Info here
Thursday, October 23, 1997

Colloquium Lunt 105, 4:10pm
Professor Paul Goerss, University of Washington
Title: Spaces of Continuous Maps and the Cohomology of Commutative Rings
Abstract and details available
Conference on Probability, Ergodic Theory and Analysis
Saturday, October 25, 1997

PDE Seminar Lunt 107, 1:00pm
Professor David H. Wagner, University of Houston
Title: Conservation Laws, Coordinate Transformations, and Differential Forms
Special Note: Special Lecture
Contact Info here
Nineteenth Midwest Probability Colloquium
Monday, October 27, 1997

ESAM Colloquium Tech M416, 4:00pm
Professor P. Ronney, Univ. Southern California
Title: Front Propagation in Quasi-2d Channels
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Fred Cohen, University of Rochester
Title: Free groups and self-maps of double loop spaces
Contact Info here
Tuesday, October 28, 1997

Algebra Seminar Lunt 104, 4:30pm
Serge Yagunov, Northwestern University
Title: Geometrically Originated Complexes and the Homology of the Pair (GL_n,GM_n)
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Professor Xian-Jin Li, University of Texas at Austin
Title: Trigonometric Polynomial Approximation and Some Trigonometric Extremal Problems
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Michael Field, University of Houston
Title: TBA
Contact Info here
Wednesday, October 29, 1997

Graduate Dynamical Systems Seminar Lunt 105, 4:00pm
Jason Holt , Northwestern University
Title: Billiards inside a pinched cusp
Contact Info here
Thursday, October 30, 1997

PDE Seminar Lunt 105, 4:10pm
Professor Mikhail Lavrentiev, Jr., Institute of Mathematic, Russian Academy of Sciences
Title: Lyapunov Functionals for Nonlinear Parabolic Equations
Contact Info here
Friday, October 31, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3827, 2:00pm
Professor Prem Kumar, Northwestern U.
Title: Parametric Devices for Ultra-high-speed Systems
Abstract and details available
Monday, November 3, 1997

ESAM Colloquium Tech M416, 4:00pm
Dr. L. Jiang, U. Michigan
Title: Nonlinear Water Waves: Wave Breaking and Capillary Effects
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Mark Mahowald, Northwestern University
Title: The Kervaire invariant and Minami's theorem
Contact Info here
Tuesday, November 4, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Bernhard Koeck, University of Illinois at Urbana
Title: Operations on Locally Free Classgroups
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Professor Daniel Tataru, Northwestern University
Title: Strichartz Estimates in the Hyperbolic Space and Global Solutions for the Semilinear Wave Equation
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Senatian Schreiber, Western Washington University
Title: The growth rates of subadditive functions
Contact Info here
Wednesday, November 5, 1997

Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
David Richeson , Northwestern University
Title: Period doubling through creating a horseshoe
Contact Info here
Thursday, November 6, 1997

Geometry/Physics Seminar Lunt 103, 4:10pm
Professor Andras Szenes, MIT
Title: Iterated residues and hyperplane arrangements
Contact Info here
Friday, November 7, 1997

Interdisciplinary Seminar in Nonlinear Science Tech 3827, 2:00pm
Professor Emily Stone, Utah State University
Title: Using Archetypes to Analyze and Control Complex Spatio-Temporal Dynamics
Abstract and details available
Monday, November 10, 1997

ESAM Colloquium Tech M416, 4:00pm
Professor V. Volpert, Northwestern U.
Title: Mathematical Modeling of Frontal Polymerization
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Ran Levi, Northwestern University
Title: Loop structures on homotopy fibres of self maps of a sphere
Abstract and details available
Tuesday, November 11, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Kimberly Pearson, Valparaiso University
Title: Lower Algebraic K-theory of Bianchi Groups
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Professor Konstantina Trivisa, Northwestern University
Title: Minimization of Energy Functionals Under Constraints
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Don Wang, UCLA (visiting NU)
Title: The Hill's region of the 4-body problem
Contact Info here
Wednesday, November 12, 1997

Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Antonio Garcia, Northwestern University
Title: Homoclinic maps in symplectic manifolds
Contact Info here
Thursday, November 13, 1997

Geometry/Physics Seminar Lunt 103, 4:10pm
Professor Alexander Kirillov Jr., MIT
Title: Kazhdan-Lusztig polynomials and canonical basis
Abstract and details available
PDE Seminar Lunt 105, 4:10pm
Professor Mikhail Feldman, MSRI at Bekerley and Northwestern University
Title: Perron's Method for Convex Viscosity Solutions of Curvature Motion Equations
Contact Info here
Friday, November 14, 1997

Colloquium Lunt 105, 4:10pm
Professor Alexander Kirillov Jr., MIT
Title: Representation theory and special functions: a new approach
Abstract and details available
Interdisciplinary Seminar in Nonlinear Science Tech 3827, 2:00pm
Professor W.L. Kath, Northwestern University
Title: Controlling solitons in nonlinear optical fibers with phase-sensitive amplifiers
Abstract and details available
Monday, November 17, 1997

ESAM Colloquium Tech M416, 4:00pm
Professor J.B. Greenberg , The Technion, Israel
Title: New Results in Laminar Spray Flame Theory
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor John Martino, University of Western Michigan
Title: An Introduction to Topological Graph Theory
Abstract and details available
Tuesday, November 18, 1997

Algebra Seminar Lunt 104, 4:30pm
Professors Irena Peeva and Vaselin Gasharov, MIT
Title: Cohomology of Subspace Arrangements via Minimal Free Resolutions (Peeva)/ A-graded Algebras (Gasharov)
Abstract and details available
Analysis Seminar Lunt 107, 4:00pm
Professor Victor Barcilon, University of Chicago
Title: A Mathematical Theory of the Gulfstream
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor C. Q. Cheng, Nanjing University (visiting NU)
Title: Lower dimensional tori in the regions of instability of Hamiltonian systems
Contact Info here
Wednesday, November 19, 1997

Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
James Wiseman , Northwestern University
Title: Symbolic dynamics and aggregation paradoxes
Contact Info here
Thursday, November 20, 1997

PDE Seminar Lunt 105, 3.00pm
Professor Shadi Tashvildar-Zadeh, Princeton University
Title: TBA
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor Biao Ou , University of Toledo
Title: Global Solutions to a Free Boundary Problem
Abstract and details available
Friday, November 21, 1997

Colloquium Lunt 105, 4:00pm
Professor Shadi Tahvildar-Zadeh, Princeton University
Title: Regularity and Break-down in Geometric Field Theories
Abstract and details available
Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Dr. P. Umbanhower , University of Pennsylvania
Title: Wave patterns in shaken sand
Special Note: Note changed location because of video
Abstract and details available
Monday, November 24, 1997

Topology Seminar Lunt 104, 4:10pm
Professor Dmitri Orlov, Steklov Institute
Title: Equivalences of derived categories of coherent sheaves
Contact Info here
Tuesday, November 25, 1997

Analysis Seminar Lunt 107, 4:00pm
Professor Ronald Coifman, Yale University
Title: Adapted Waveform Analysis, Efficient Numerical Transcription, and Fast Computation
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Keith Burns, Northwestern
Title: Positive curvature and chaotic dynamics for the geodesic flow
Contact Info here
Monday, December 1, 1997

ESAM Colloquium Tech M416, 4:00pm
Professor G.A. Kriegsmann , N.J.I.T.
Title: Growth and Stabilization of Hot Spots in Microwave-Heated Ceramic Fibers
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Jason Douma, Northwsetern University
Title: Stably Decomposing B(PxQ): an Algebraic Perspective
Contact Info here
Tuesday, December 2, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Burt Totaro, University of Chicago
Title: Chern numbers for singular varieties and elliptic cohomology
Contact Info here
Analysis Seminar Lunt 107, 4:00pm
Professor Carl Gardner, Arizona State University
Title: The Smooth Quantum Hydrodynamic Model (for Semiconductor Devices)
Abstract and details available
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor André de Carvalho, U. of California, Berkeley
Title: TBA
Contact Info here
Wednesday, December 3, 1997

Topology Seminar Lunt 105, 4:10pm
Professor Ioanid Rosu, MIT
Title: The Rigidity Theorems of Witten via Equivariant Elliptic Cohomology
Abstract and details available
Thursday, December 4, 1997

Geometry/Physics Seminar Lunt 103, 4:10pm
Professor Lisa Jeffrey, McGill University
Title: Vanishing theorems in the cohomology of moduli spaces of flat connections on a Riemann surface
Abstract and details available
PDE Seminar Lunt 103, 4:00pm
Professor Victor Isakov,
Title: Inverse Diffusion Problems
Contact Info here
Friday, December 5, 1997

Colloquium Lunt 105, 4:10pm
Professor Lisa Jeffrey, McGill University
Title: Flat connections on Riemann surfaces
Abstract and details available
Monday, December 8, 1997

ESAM Colloquium Tech M416, 4:00pm
Dr. Y.J. Chen, Cornell U.
Title: Pinch-off Dynamics of a Collapsing Soap-Film Bridge
Contact Info here
Tuesday, December 9, 1997

Algebra Seminar Lunt 104, 4:30pm
Professor Brendan Hassett, University of Chicago
Title: Limiting Plane Curves and the Minimal Model Program
Contact Info here

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