Northwestern University Mathematical Calendar

Entries From
Academic Year 1998-1999

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Wednesday, September 23, 1998

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Dr. Gregory King, University of Warwick, UK
Title: Recent results on the physics of chaotic advection in wavy Taylor vortex flow
Contact Info here
Thursday, September 24, 1998

Algebra Seminar Lunt 102, 4:10pm
Professor Ionut Ciocan,
Title: Toric degeneration of flag varieties, I
Contact Info here
Monday, September 28, 1998

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Gang Wang, De Paul University
Title: Some recent progress and open questions on the uniqueness of multiple trigonometric series
Contact Info here
Thursday, October 1, 1998

Algebra Seminar Lunt 102, 4:10pm
Professor Ionut Ciocan,
Title: Toric degeneration of flag varieties, II
Contact Info here
Friday, October 2, 1998

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Dr. H.P. Grimm, Northwestern U.
Title: Steps, Kinetic Anisotropy, and Long--Wave Instabilities in Directional Solidification
Abstract and details available
Monday, October 5, 1998

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Carl Gardner, Arizona State University
Title: Numerical Simulation of Rectangular Current Pulses in Ionic Channels of Cellular Membranes
Abstract and details available
Topology Seminar Lunt 104, 4:10pm
Professor Stephen Theriault, UIC
Title: Anick's Spaces and the Double Loops on Odd Primary Moore Spaces
Contact Info here
Wednesday, October 7, 1998

Colloquium Lunt 105, 4:15pm
Professor Louis Kauffman, University of Illinois, Chicago
Title: Witten's Integral and the Kontsevich Integrals
Abstract and details available
Thursday, October 8, 1998

ESAM Colloquium Tech M416, 4:00pm
Professor J. Fineberg, Hebrew U., Israel
Title: How things break: Instability in Dynamic Fracture
Contact Info here
Graduate Dynamical Systems Seminar Lunt 107, 4:00pm
Professor Thy Tran, Northwestern University
Title: n-widths and Optimal Recovery
Contact Info here
Friday, October 9, 1998

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor J. Fineberg, Hebrew U., Israel
Title: New Structures in a Shaking Fluid
Abstract and details available
Monday, October 12, 1998

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Peter Kan, Northwestern University
Title:
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Brayton Gray, UIC
Title: Composition methods in the homotopy groups of Moore spectra
Contact Info here
Tuesday, October 13, 1998

Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Chris Hoffman, University of Maryland
Title: Rational maps of the Riemann sphere are Bernoulli.
Contact Info here
Wednesday, October 14, 1998

3rd UC/NU Workshop on Nonlinear and Complex Systems

Thursday, October 15, 1998

Geometry/Physics Seminar Lunt 103, 4:10pm
Professor Eric Zaslow, Northwestern University
Title: Comments on Kontsevich's Mirror Symmetry Conjecture
Contact Info here
Graduate Dynamical Systems Seminar Lunt 107, 4:00pm
Jason Holt , Northwestern University
Title: Flat donuts and the Gauss-Bonnet Theorem
Contact Info here
Friday, October 16, 1998

Interdisciplinary Seminar in Nonlinear Science , 2:00pm
,
Title: No seminar due to UC/NU workshop on October 14
Contact Info here
Interdisciplinary Seminar in Nonlinear Science , 2:00pm
,
Title: No seminar due to UC/NU workshop on October 14
Contact Info here
Monday, October 19, 1998

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Miron Bekker , Northwestern University and Loyola University
Title: Integral Representation for Continuous O(n)-Positive Defined Functions
Contact Info here
ESAM Colloquium Tech M416, 4:00pm
Professor J. Powers, U. Notre Dame
Title: Ignition theory for shearing reactive solids
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Po Hu, University of Chicago
Title: A geometric approach to spectra in the category of schemes
Contact Info here
Algebra Seminar Lunt 104, 4:10pm
Professor Ezra Getzler,
Title: Chiral de Rham complex (d'apres Malikov, Schechtman and Vaintrob)
Special Note: I will give an introduction to the preprint math.AG/9803041
Contact Info here
Tuesday, October 20, 1998

Algebra Seminar Lunt 104, 4:30pm
Professor Misha Kapranov, Northwestern University
Title: Double affine Hecke algebras and 2-dimensional local fields
Contact Info here
Wednesday, October 21, 1998

Colloquium Lunt 105, 4:15pm
Professor Yuri Tschinkel, University of Illinois, Chicago
Title: Density of rational points on algebraic varieties
Contact Info here
Thursday, October 22, 1998

Geometry/Physics Seminar Lunt 101, 10:30am
Dimitry Tamarkin, Penn State University
Title: Operadic proof of Kontsevich's formality theorem
Special Note: CHANGE OF TIME!!
Contact Info here
Graduate Dynamical Systems Seminar Lunt 107, 4:00pm
Scott Moar, Northwestern University
Title: Zeta Functions and Homology
Contact Info here
Friday, October 23, 1998

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor N. Spruston, Northwestern U.
Title: Cable properties of cortical neurons: theory and experiment
Special Note: http://www.nwu.edu/neurobiology/Spruston/
Abstract and details available
Twentieth Midwest Probability Colloquium
Monday, October 26, 1998

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Gilbert Walter, University of Wisconsin, Milwaukee
Title: Continuous non-negative wavelets and their use in probability density estimation
Abstract and details available
ESAM Colloquium Tech M416, 4:00pm
Dr. A. Neishtadt, Moscow Space Research Inst.
Title: On the delay of stability loss for periodic trajectories in systems with slowly varying parameters
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Mark Johnson, Northwestern University
Title: Classifying models for the stable homotopy category
Contact Info here
Tuesday, October 27, 1998

Algebra Seminar Lunt 104, 4:10pm
Professor Ezra Getzler,
Title: Chiral de Rham complex (d'apres Malikov, Schechtman, Vaintrob)
Special Note: I will give an introduction to the preprint math.AG/9803041
Contact Info here
Graduate Dynamical Systems Seminar
Thursday, October 29, 1998

PDE Seminar Lunt 105, 4:10pm
Professor Mikhail Feldman, Northwetsern University
Title: Mass transfer in inhomogeneous media
Contact Info here
Saturday, October 31, 1998

Midwest Algebraic Geometry Conference

Monday, November 2, 1998

ESAM Colloquium Tech M416, 4:00pm
Professor A.K. Kapila, R.P.I.
Title: Modeling the transition from deflagration to detonation in granular explosives
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Don Stanley, Berlin
Title: Fibrewise stabalization and an application to a conjecture of Iwase
Contact Info here
Tuesday, November 3, 1998

Algebra Seminar Lunt 104, 4:10pm
Professor J.-B. Bost, CNRS and Institute for Advanced Study
Title: Optimal estimates in Arakelov geometry
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Keith Burns, Northwestern
Title: Stable ergodicity and frame flows
Contact Info here
Thursday, November 5, 1998

Graduate Dynamical Systems Seminar Lunt 107, 4:00pm
Margaret Stawiska, Northwestern University
Title: Iterations of Contractions and Analytic Maps
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Peiyong Wang, University of Texas at Austin
Title: A Harnack Approach to The Regularity of The Free Boundaries for 2-phase Problems
Contact Info here
Friday, November 6, 1998

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor H. Jaeger, U. Chicago
Title: Compaction and Compression of Granular Matter
Abstract and details available
Monday, November 9, 1998

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Eilon Solan , Northwestern University (Kellogg School of Management)
Title: Dynamical Systems in Stochastic Games
Abstract and details available
ESAM Colloquium Tech M416, 4:00pm
Professor G. Tryggvason, U. Michigan
Title: Direct numerical simulations of multiphase flows
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Nitu Kitchloo, Northwestern University
Title: Kac-Moody groups and topology
Contact Info here
Colloquium Lunt 105, 4:00pm
Professor ,
Title:
Contact Info here
Tuesday, November 10, 1998

Algebra Seminar Lunt 104, 5:00pm
Seva Joukhovitsky, Northwestern University
Title: Characters and representations according to Frobenius, Wiles and Taylor
Special Note: Note the unusual time: 5PM
Abstract and details available
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Amie Wilkinson, Northwestern
Title: Robust ergodic properties of diffeomorphisms
Contact Info here
Thursday, November 12, 1998

Graduate Dynamical Systems Seminar Lunt 107, 4:00pm
Jim Wiseman, Northwestern University
Title: Introduction to Morse Theory
Contact Info here
PDE Seminar Lunt 103, 4:15pm
Professor Nets Katz, University of Illinois At Chicago
Title: Hexagons, distances, and Besicovitch sets
Contact Info here
Friday, November 13, 1998

Colloquium Lunt 105, 4:15pm
Professor Tom Hales, University of Michigan
Title: The Kepler Conjecture
Abstract and details available
Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor J. Houk, Northwestern U.
Title: Distributed Modular Networks for Controlling Movement and Cognition
Abstract and details available
Monday, November 16, 1998

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Gui-Qiang Chen, Northwestern University
Title: Entropy, Compactness, and Asymptotic Problems of Discontinuous Solutions
Contact Info here
ESAM Colloquium Tech M416, 4:00pm
Professor S.W. Joo, Yeungnam U. Korea
Title: Interfacial Instabilities in Ferrofluids
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Ralph Grieder, Northwestern University
Title: Finite Group Actions on Riemann Surfaces, G-Signature and Cobordism
Contact Info here
Tuesday, November 17, 1998

Algebra Seminar Lunt 104, 4:10pm
Professor Patrick Brosnan, Northwestern
Title: Steenrod operations in algebraic geometry
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Sara Asher, Northwestern
Title: Dynamics of Continuous Baker's Maps
Contact Info here
Thursday, November 19, 1998

Graduate Dynamical Systems Seminar Lunt 107, 4:00pm
Kamlesh Parvani, Northwestern University
Title: Billiard Balls
Contact Info here
Friday, November 20, 1998

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor R. Freeman, Northwestern U.
Title: Robust Nonlinear Control Systems: Theory and Design
Abstract and details available
Monday, November 23, 1998

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Alvin Bayliss, Northwestern University
Title: Adaptive Pseudo-Spectral Methods and Computations of the Interaction of Counterpropagating Hot Spots in Solid Fuel Combustion
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Octavian Cornea, University of Lille
Title: An extension of the Morse complex
Contact Info here
Tuesday, November 24, 1998

Algebra Seminar Lunt 104, 4:10pm
Professor Sam Evens, University of Arizona
Title: Poisson geometry and a theorem of Kostant
Contact Info here
Special Seminar Lunt 105, 4:10pm
Professor Wilhelm Schlag, Princeton University
Title: On uniformly distributed dilates of finite integer sequences
Contact Info here
Monday, November 30, 1998

Dynamical Systems Seminar TBA, 3:00pm
Professor Henk Bruin, Caltech
Title: Interval Maps and Adic Transformations
Special Note: One hour earlier than usual.
Contact Info here
ESAM Colloquium Tech M416, 4:00pm
Professor L. Kramer, U. Bayreuth, Germany
Title: Patterns and Defects in the Anisotropic Complex Ginzburg-Landau Equation
Contact Info here
Tuesday, December 1, 1998

Dynamical Systems Seminar Lunt 105, 3:00pm
Professor Arek Goetz, Boston University
Title: Return maps in piecewise affine and piecewise isometric systems
Special Note: One hour earlier than usual.
Contact Info here
Special Seminar Lunt 105, 4:10pm
Professor Wilhelm Schlag,
Title: On uniformly distributed dilates of finite integer sequences
Contact Info here
Wednesday, December 2, 1998

Colloquium Lunt 105, 4:15pm
Professor Antti Kupiainen, University of Helsinki
Title: KAM Theorem and Quantum Field Theory
Abstract and details available
Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professors L. Kramer, U. Bayreuth, Germany
Title: Secondary instabilities in anisotropic convection
Special Note: Note unusual day!
Contact Info here
Thursday, December 3, 1998

Colloquium Lunt 105, 4:10pm
Professor Christopher Sogge, Johns Hopkins University
Title: Weighted Strichartz estimates and existence for nonlinear wave equations
Contact Info here
Graduate Dynamical Systems Seminar Lunt 107, 4:00pm
Yuan Che, Northwestern University
Title: Symbolic Dynamics and Markov Partitions
Contact Info here
Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Dr. M. van Hecke, CATS, Copenhagen, Denmark
Title: Local Structures and Spatiotemporal Chaos
Special Note: Note unusal day!
Abstract and details available
Thursday, December 10, 1998

Geometry/Physics Seminar Lunt 104, 2:00pm
Albrecht Klemm, The Institute for Advanced Study
Title: Mirror Symmetry at Higher Loops
Contact Info here
Thursday, January 7, 1999

Colloquium Lunt 105, 4:00pm
Professor Sandor Kovac, University of Chicago
Title: Algebraic hyperbolicity of fine moduli spaces
Contact Info here
Friday, January 8, 1999

ESAM Colloquium Tech M128, 12:00 noon
Professor R. Kamm, M.I.T.
Title: The role of mechanics in the biological remodeling of the asthmatic airway
Special Note: jointly sponsored with B.M.E. Unusal time and location!
Contact Info here
Interdisciplinary Seminar in Nonlinear Science Tech M 416, 2:00pm
Professor V. Steinberg, Weizmann Institute, Israel
Title: Elasticity and Turbulence in a polymeric flow
Abstract and details available
Monday, January 11, 1999

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Joseph Jerome , Northwestern University
Title: Numerical Loss of Derivatives: Nash Iteration and Krasnosel'skii's Operator Calculus
Contact Info here
ESAM Colloquium U. Chicago Eckhart 202, 4:00pm
Professor E.A. Spiegel, Columbia U.
Title: Dynamics of Coherent Structures
Special Note: This talk is sponsored by the Chicago Area Applied Mathematics Consortium. It will be held at the University of Chicago in Eckhart 202
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Lee Nave, University of Washington
Title: On the non-existence of Smith-Toda complexes
Contact Info here
Friday, January 15, 1999

Interdisciplinary Seminar in Nonlinear Science Tech LR 3, 2:00pm
Professor A. Huebler, U. Illinois, Urbana
Title: Harmonicity: Self-Adjusting Systems Avoid Chaos
Special Note: Note: unusual location
Abstract and details available
Monday, January 18, 1999

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Mark Pinsky, Northwestern University
Title: Conergence and localization of eigenfunction expansions
Abstract and details available
ESAM Colloquium Tech M416, 4:00pm
Professor M. Silber, Northwestern U.
Title: Parametric instabilities and pattern formation
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Laura Scull, U. of Chicago
Title: Rational S^1-equivariant homotopy theory
Contact Info here
Tuesday, January 19, 1999

Algebra Seminar Lunt 104, 4:10pm
Professor Philip Foth, Northwestern
Title: Deformation theory of local systems
Contact Info here
Deformation Theory Seminar Lunt 216, 10:00
Misha Kapranov, Northwestern,
Title: Background on dg-schemes
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Chris Connell, University of Michigan
Title: Hyperbolic rank rigidity for homogeneous spaces
Contact Info here
Friday, January 22, 1999

Interdisciplinary Seminar in Nonlinear Science Tech M 416, 2:00pm
Professor P. Voorhees, Northwestern
Title: Morphological Evolution of Alloy Thin Films
Abstract and details available
Monday, January 25, 1999

ESAM Colloquium Tech M416, 4:00pm
Professor D. Muraki, Courant Inst. Math.Sci.
Title: An interfacial wave treatment of tropopause dynamics
Abstract and details available
Topology Seminar Lunt 104, 4:10pm
Professor Mike Mandell, MIT
Title: Topological Andre-Quillen homology
Contact Info here
Tuesday, January 26, 1999

Algebra Seminar Lunt 104, 4:10pm
Professor Ezra Getzler, Northwestern
Title: Gerbes and mirror symmetry (report on a talk of Hitchin)
Contact Info here
Deformation Theory Seminar Lunt 216, 10:00
Misha Kapranov ,
Title: DG-schemes (contd.)
Contact Info here
Wednesday, January 27, 1999

Colloquium Lunt 105, 4:10pm
Professor Toby Colding, New York University
Title: Minimal surfaces in 3-manifolds
Contact Info here
Thursday, January 28, 1999

Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Sara Asher, Northwestern University
Title: Continuous Baker Maps
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor Petri Juutinen, Northwestern University
Title: The first eigenvalue of the $\infty$-Laplacian
Contact Info here
Friday, January 29, 1999

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Dr. R. Grigoriev, U. Chicago
Title: Symmetry in Chaos Control and Phase Space Reconstruction
Abstract and details available
Monday, February 1, 1999

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Xia Chen, Northwestern University
Title: Some Limit Laws for Additive Functionals of Markov Chains
Contact Info here
ESAM Colloquium Tech M416, 4:00pm
Professor H. Levine, U. California San Diego
Title: Pattern formation in Micro-organisms
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Paul Goerss, Northwestern
Title: Obstructions to finding a space with specified homotopy groups (after Dwyer, Kan, and Stover)
Contact Info here
Tuesday, February 2, 1999

Algebra Seminar Lunt 104, 4:10pm
Professor Lev Borisov, Columbia University
Title: Vertex Algebras and Mirror Symmetry
Contact Info here
Deformation Theory Seminar Lunt 216, 10:00
Professor Ezra Getzler, NU ,
Title: Formal dg-deformations
Abstract and details available
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Tatyana Foth, Northwestern University
Title: Dynamics of the frame flow on a complex hyperbolic space and automorphic forms
Contact Info here
Wednesday, February 3, 1999

Special Seminar Lunt 105, 4:10pm
Professor Robert Bauer, Georgia Tech
Title: Stochastic parallel transport and Yang-Mills equations
Abstract and details available
Thursday, February 4, 1999

Algebra Seminar Lunt 104, 2:00pm
Gary Gutman, Northwestern University
Title: Elliptic Curves II
Special Note: Graduate Student Seminar
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Jason Holt , Northwestern University
Title: Turing machines: an introduction
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor Xiaozhou Yang, University of Illinois at Chicago
Title: A New Approach of Multi-Dimensional Riemann Problem
Contact Info here
Monday, February 8, 1999

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor George Gasper, Northwestern University
Title: Norm inequalities for fractional integrals of Laguerre and Hermite expansions.
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Stephen Theriault, U. of Illinois at Chicago
Title: Homotopy exponents of mod-2^r Moore spaces
Contact Info here
Tuesday, February 9, 1999

Algebra Seminar Lunt 104, 4:10pm
Professor Hiraku Nakajima (Kyoto U. and IAS, Princeton),
Title: Moduli spaces of sheaves on surfaces and affine Lie algebras
Contact Info here
Deformation Theory Seminar Lunt 216, 10AM
Professor Misha Kapranov (NU),
Title: Derived Hilbert and Quot schemes
Contact Info here
Wednseday, February 10, 1999

Special Seminar Lunt 105, 4:10pm
Professor Elana Kosygina, Courant Institute, NYU
Title: Behavior of the relative entropy in the hydrodynamical scaling limit
Contact Info here
Thursday, February 11, 1999

Algebra Seminar Lunt 104, 2:00pm
Julia Hartman , Northwestern University (Universitaet Goettingen)
Title: Modular invariant theory / Dickson invariants
Special Note: Graduate Student Seminar
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Professor Thy Tran, Northwestern University
Title: It's just amazing, isn't it?
Contact Info here
Friday, February 12, 1999

Colloquium Lunt 105, 4:15pm
Professor Ranee Brylinski, PennState
Title: Star products and quantization of manifolds with symmetry
Abstract and details available
Geometry/Physics Seminar Lunt 105, 3:00pm
Professor Jean-Luc Brylinski, PennState
Title: Equivariant K-theory for compact groups and Grothendieck differentials
Contact Info here
Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Dr. I. Aranson, Argonne National Lab
Title: Dynamics of axial segregation in a long rotating drum
Abstract and details available
Monday, February 15, 1999

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Elton Hsu, Northwestern University
Title: Brownian bridge and derivative estimates of the heat kernel on a compact Riemannian manifold
Contact Info here
ESAM Colloquium Tech M416, 4:00pm
Professor H. Riecke, Northwestern U.
Title: Localized Structures in pattern forming systems: worms in electroconvection
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Fred Cohen, Rochester (visiting Wisconsin-Madison)
Title: On self-maps of double loop spaces, the gravity filtration, and a conjecture of Barratt
Contact Info here
Tuesday, February 16, 1999

Deformation Theory Seminar Lunt 216, 10AM
Professor Mikhail Kapranov, NU,
Title: Derived Quot schemes (contd.)
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor John Franks, Northwestern
Title: Regions of Instability for non-twist maps
Contact Info here
Wednseday, February 17, 1999

Special Seminar Lunt 105, 4:10pm
Professor Min Kang, Fields Institute and York University
Title: Asymptotic behavior of solutions of parabolic SPDE's
Abstract and details available
Thursday, February 18, 1999

Algebra Seminar Lunt 104, 2:00pm
Seva Joukhovitski, Northwestern University
Title: Quadratic Forms I
Special Note: Graduate Student Seminar
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Kathy Phelps, Northwestern University
Title: Julia sets of rational functions on the Riemann sphere
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor Sanja Hukovic, University of Missouri
Title: Sharp weighted inequalities for square function.
Contact Info here
Friday, February 19, 1999

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Dr. K. Hill, Northwestern U.
Title: Mixing, Segregation, and Signatures of Chaos in Tumbled Granular Materials
Abstract and details available
Monday, February 22, 1999

ESAM Colloquium Tech M416, 4:00pm
Professor B. Pitman, S.U.N.Y
Title: On a mechanical theory for fluid-particle beds at high solids volume fraction
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Alex Adem, U. Wisconsin
Title: Periodic Complexes, Euler Classes and Group Actions
Contact Info here
Tuesday, February 23, 1999

Algebra Seminar Lunt 104, 4:10pm
Professor Kevin Knudson, Northwestern University
Title: Relative Malcev Completions
Contact Info here
Deformation Theory Seminar Lunt 216, 10AM
Professor Philip Foth, NU,
Title: Analytic theory of Z-graded dg-algebras
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Jeff Xia, Northwestern
Title: TBA
Contact Info here
Wednesday, February 24, 1999

Department Meeting Lunt 105, 4:00pm
Open meeting,
Title: Discussion of MENU
Contact Info here
Thursday, February 25, 1999

Algebra Seminar Lunt 104, 2:00pm
Patrick Brosnan, Northwestern University
Title: Quadratic Forms II
Special Note: Graduate Student Seminar
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Kamlesh Parwani, Northwestern University
Title: A Solution to the Illumination Problem in a Square
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor Marshall Slemrod, University of Wisconsin at Madison
Title: The Chapman-Enskog Expansion
Contact Info here
Friday, February 26, 1999

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor G. Gunaratne, U. Houston
Title: Characterization of natural patterns
Abstract and details available
Special Seminar Lunt 105, 4:00pm
Professor Jason Fulman, Dartmouth
Title: Shuffling cards and Lie theory
Abstract and details available
Monday, March 1, 1999

ESAM Colloquium Tech M416, 4:00pm
Professor J. Daou, Tech. Univ. Madrid
Title: Flame propagation in nonuniform reactive gaseous mixtures
Contact Info here
Special Seminar Lunt 105, 3:00 pm
Professor Jiaping Wang, Cornell University
Title: Convex hull property of harmonic maps
Abstract and details available
Topology Seminar Lunt 104, 4:10pm
Professor Stewart Priddy, Northwestern
Title: Quillen complexes, Mobius functions, and stable decompositions for compact Lie groups
Contact Info here
Tuesday, March 2, 1999

Deformation Theory Seminar Lunt 216, 10AM
Professor Mikhail Kapranov, NU,
Title: (Weak) Lie algebras associated to dg-manifolds
Contact Info here
Special Seminar Lunt 105, 4:00pm
Professor Ludmil Katzarkov, University of California, Irvine
Title: Algebraic geometry techniques in symplectic geometry
Abstract and details available
Thursday, March 4, 1999

Algebra Seminar Lunt 104, 2:00pm
Bryan Schulte, Northwestern University
Title: TBA
Special Note: Graduate Student Seminar
Contact Info here
Analysis and Probability Seminar Lunt 105, 3:00pm
Professor Chi-Wang Shu, Brown University
Title: Weighted ENO schemes on arbitrary triangulations
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Jim Wiseman, Northwestern University
Title: Filtrations and the Conley Index
Contact Info here
Friday, March 5, 1999

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor S.-J. Chang, U Illinois Urbana
Title: Chaos in Quantum Map
Abstract and details available
Monday, March 8, 1999

ESAM Colloquium Tech M416, 4:00pm
Professor V. Entov, Russ. Acad. Science
Title: Nonlinear interface dynamics in Hele-Shaw flows and porous media
Contact Info here
Tuesday, March 9, 1999

Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Jeff Xia, Northwestern
Title: Arnold Diffusion, II
Contact Info here
Monday, March 15, 1999

PDE Seminar Lunt 103, 4:00pm
Professor Ioan Vrabie, University of Iasi, Romania
Title: Domains of Viability for Nonlinear Evolution Equations in Bnach Spaces
Special Note: SPECIAL TIME
Contact Info here
Thursday, March 18, 1999

Geometry/Physics Seminar Lunt 103, 4:10pm
Tian-Jun Li, Yale University,
Title: Lefschetz Fibrations and Symplectic 4-Manifolds
Contact Info here
PDE Seminar Lunt 105, 3:00pm
Professor Yuxi Zheng, Indiana University-Bloomington
Title: A Nonlinear Variational Wave Equation
Special Note: SPECIAL TIME
Abstract and details available
Topology Seminar Lunt, room TBA, 4:10pm
Professor Rick Jardine,
Title: A^1-local symmetric spectra
Special Note: Note special day
Contact Info here
Monday, March 29, 1999

ESAM Colloquium Tech M416, 4:00pm
Dr. B. Echebarria, U. Navarra, Spain
Title: Stability of hexagonal patterns in rotating convection
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Charles Rezk, Northwestern
Title: Examples of modular forms in homotopy theory
Abstract and details available
Tuesday, March 30, 1999

Algebra Seminar Lunt 104, 4:10pm
Professor Yuri Tschinkel, University of Illinois, Chicago
Title: Arithmetic of rational varieties
Contact Info here
Friday, April 2, 1999

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Dr. A. Tkachenko, U. Chicago
Title: Sand Science: from Description to Understanding
Abstract and details available
Monday, April 5, 1999

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Konstantina Trivisa , Northwestern University
Title: TBA
Contact Info here
ESAM Colloquium Tech M416, 4:00pm
H. Grimm, E.P.F.L., Switzerland
Title: Banded structures in alloys, nonlinear mode interactions and normal forms
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Nitu Kitchloo, Northwestern
Title: Homotopy uniqueness of BSO(3) x S^n
Contact Info here
Tuesday, April 6, 1999

Algebra Seminar Lunt 104, 4:10pm
Richard Thomas, Oxford University
Title: Mirror Symmetry and the braid group
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Jeff Xia, Northwestern
Title: TBA
Contact Info here
PDE Seminar Lunt 107, 4:10pm
Professor Jozef Kacur, Commenius University, Slovakia
Title: Solution of Degenerate Convection-Diffusion Preblems by the Method of Characteristics and Relaxation
Special Note: SPECIAL TIME
Contact Info here
Thursday, April 8, 1999

Geometry/Physics Seminar Lunt 101, 10am
Richard Thomas, Oxford University
Title: A holomorphic Casson invariant
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Jim Wiseman, Northwestern University
Title: Multivalued maps and epsilon-chains
Contact Info here
PDE Seminar Lunt 105, 3:00pm
Professor Wilfrid Gangbo, Georgia Tech
Title: Uniqueness of Equilibrium Configurations in Solid Crystals
Special Note: SPECIAL TIME
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor Irene Gamba, University of Texas at Austin
Title: Kinetic-Fluid Interface Problem Under Strong Forcing Conditions
Contact Info here
Friday, April 9, 1999

Colloquium Lunt 105, 4:00pm
Professor Y. Eliashberg, Stanford University
Title: Introduction to symplectic field theory
Contact Info here
Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor Gregory Ryskin , Northwestern U.
Title: On Markov processes and invariance
Abstract and details available
Saturday, April 10, 1999

Midwest Topology Seminar

Monday, April 12, 1999

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Viktor Losert, University of Vienna
Title: Convergence of Convolution Powers
Contact Info here
ESAM Colloquium Tech M416, 4:00pm
Dr. A. Moukasian, U. Notre Dame
Title: Reaction wave propagation mechanisms in gasless heterogeneous systems
Contact Info here
Tuesday, April 13, 1999

Algebra Seminar Lunt 104, 4:10pm
Professor Ionut Ciocan-Fontanine, Northwestern
Title: The quantum Littlewood-Richardson rule
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor Herbert Koch, University of Heidelberg
Title: Singular integrals and the porous medium equation
Contact Info here
Thursday, April 15, 1999

PDE Seminar Lunt 105, 4:10pm
Professor Luis Almeida, CMLA - Ecole Normale Superieure de Cachan
Title: Level sets and excited states for Ginzburg-Landau energies.
Contact Info here
Topology Seminar Lunt, room TBA, 4:10pm
Professor Rick Jardine,
Title: A^1-local symmetric spectra
Special Note: SPECIAL DAY
Contact Info here
Friday, April 16, 1999

Colloquium Lunt 105, 4:00pm
Professor Jean-Pierre Aubin, Université de Paris
Title: Set-valued solutions to boundary value problems for systems of first-order pdes
Contact Info here
Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor Gregory Luther, Northwestern U.
Title: Understanding control strategies for resonant waves interactions using geometric techniques
Abstract and details available
Monday, April 19, 1999

Analysis and Probability Seminar Lunt 105, 4:00pm
Gaspar Porta, University of Illinois, Chicago
Title: The limit of the product of the parameterized exponential of two operators
Abstract and details available
ESAM Colloquium Tech M416, 4:00pm
Dr. A. Tandia , Lab. Analyse des Systemes, CNRS, France
Title: Thin-film deposition and the level-set method
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Brayton Gray, University of Illinois at Chicago
Title: Idempotents and coefficients
Contact Info here
Tuesday, April 20, 1999

Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Victor Donnay, Bryn Mawr
Title: Using the Finite Horizon Condition to create new examples of embedded surfaces with ergodic geodesic flow
Contact Info here
Thursday, April 22, 1999

Geometry/Physics Seminar Lunt 104, 4:10pm
Professor Yuri Manin, Max-Planck-Institut für Mathematik, Bonn
Title: Weil-Petersson volumes of moduli spaces
Contact Info here
Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Scott Moar, Northwestern University
Title:
Contact Info here
Friday, April 23, 1999

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor D. Ferster, Northwestern U.
Title: Assembly of receptive fields in cat visual cortex
Abstract and details available
Monday, April 26, 1999

ESAM Colloquium Tech M416, 4:00pm
Professor D.S. Cohen, Caltech
Title: Modeling bioremediation of TCE at DOE's Savannah River site
Special Note: sponsored by Chicago Area Applied Mathematics Consortium
Contact Info here
Tuesday, April 27, 1999

Deformation Theory Seminar Lunt 216, 10AM
Professor Philip Foth, Northwestern U.
Title: Functors in formal deformation theory (after Hinich)
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Amie Wilkinson, Northwestern
Title: A stably Bernoullian diffeomorphism that is not Anosov
Contact Info here
Algebra Seminar Lunt 104, 4:10pm
Professor Boris Dubrovin, SISSA, Trieste
Title: Isomonodromy deformations and Gromov - Witten invariants.
Contact Info here
Geometry/Physics Seminar Lunt 103, 4:10pm
Professor Eleny Ionel, MIT
Title:
Contact Info here
Thursday, April 29, 1999

Graduate Dynamical Systems Seminar Lunt 104, 4:00pm
Yuan Che , Northwestern University
Title: Small denominators in celestial mechanics
Contact Info here
Deformation Theory Seminar Lunt 311, 10
Professor Kai Behrend, University of British Columbia
Title: Virtual fundamental classes
Contact Info here
Friday, April 30, 1999

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor C. Josserand, U. Chicago
Title: Self-organisation in soliton wave turbulence
Abstract and details available
PDE Seminar Lunt 105, 4:10pm
Professor S. Jin, Georgia Institute of Technology
Title: Nonlinear Focusing with Random Inhomogeneities
Special Note: SPECIAL TIME
Contact Info here
Monday, May 3, 1999

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Sandy Zabell, Northwestern University
Title: The Lambda Calculus: An Expository Tutorial
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Ezra Getzler, Northwestern University
Title: Another E-infinity operad
Contact Info here
Tuesday, May 4, 1999

Deformation Theory Seminar Lunt 216, 10AM
Professor Kai Behrend, University of British Columbia
Title: Virtual fundamental classes
Contact Info here
Special Seminar Annenberg G15, 4:00pm
Professor Yuri Manin, Max-Planck-Institut für Mathematik, Bonn
Title: Quantum Computing
Contact Info here
Thursday, May 6, 1999

Algebra Seminar Lunt 104, 4:10pm
Professor Greg Anderson, University of Minnesota,
Title: Infinite-dimensional linear algebra over an artinian local ring and the Contou-Carrere symbol
Special Note: Note the unusual day.
Contact Info here
Graduate Dynamical Systems Seminar Lunt 107, 4:00pm
Lizzie Burslem, NOrthwestern University
Title:
Contact Info here
Friday, May 7, 1999

Colloquium Lunt 105, 4:10pm
Professor Greg Arone, U of Chicago
Title: Calculus of functors in topology
Contact Info here
Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Dr. Chris Moore, Santa Fe Institute
Title: Three- and Four-color Potts Models in the Plane: Vortices, Entropic Forces and Interfaces
Abstract and details available
Monday, May 10, 1999

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor David Chopp, Northwestern University
Title: Modelling Surface Diffusion with the Level Set Method
Contact Info here
ESAM Colloquium Tech M416, 4:00pm
Professor L. Pismen, Technion - Israel Inst. Technology
Title: Quest for complex order
Special Note: Talk is an Eshbach Distinguished Lecture
Contact Info here
Topology Seminar Lunt 104, 4:10pm
Professor Benoit Fresse, Nice
Title: The theory of Koszul operads and the homology of Poisson algebras
Abstract and details available
Tuesday, May 11, 1999

Algebra Seminar Lunt 104, 4:10pm
Professor Boris Dubrovin, SISSA, Trieste
Title: Isomonodromy deformations and Gromov-Witten invariants.
Contact Info here
Deformation Theory Seminar Lunt 216, 10AM
Professor Mikhail Kapranov, NU,
Title: Derived Hilbert schemes
Abstract and details available
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Sheldon Newhouse, Michigan State
Title: Asymptotic Measures for dissipative systems in the plane.
Contact Info here
Wednesday, May 12, 1999

Interdisciplinary Seminar in Nonlinear Science Tech M416, 2:00pm
Professor C. Surko, U. California, San Diego
Title: Phase Defect Description of Traveling-Wave Convection
Special Note: Note: unusual day!
Abstract and details available
Thursday, May 13, 1999

Graduate Dynamical Systems Seminar Lunt 107, 4:00pm
Vadim Meleshuk,
Title:
Contact Info here
Friday, May 14, 1999

Colloquium Lunt 103, 4:00pm
Professor Gigliola Stafillani, Princeton University
Title: Long time behaviour of Sobolev norms of solutions for dispersive equations
Contact Info here
Monday, May 17, 1999

Analysis and Probability Seminar Lunt 105, 4:00pm
Professor Ross Pinsky, Technion, visiting CIMS
Title: Positive and bounded harmonic functions with mixed boundary conditions
Abstract and details available
ESAM Colloquium Tech M416, 4:00pm
Dr. D. Meinkohn, German Aerospace Research Establishment (DLR), Germany
Title: Curvature-driven flow in thin liquid films
Abstract and details available
Topology Seminar Lunt 104, 4:10pm
Professor Brooke Shipley, Purdue University / University of Chicago
Title: Rational S^1 equivariant homotopy theory
Contact Info here
Tuesday, May 18, 1999

Deformation Theory Seminar Lunt 216, 10AM
Professor Ionut Ciocan-Fontanine, NU,
Title: Derived Hilbert schemes (cont.)
Contact Info here
Dynamical Systems Seminar Lunt 105, 4:00pm
Professor Steve Batterson, Emory University
Title: Steve Smale: The Path to the 1967 Bulletin "Survey" Article
Contact Info here
PDE Seminar Lunt 107, 4:10pm
Professor Ross Pinsky, Technion, Visiting CIMS
Title: Decay of total mass for nonlinear parabolic equations
Special Note: SPECIAL TIME
Abstract and details available
Thursday, May 20, 1999

Geometry/Physics Seminar Lunt 103, 3:00pm
Professor Eleny-Nicoleta Ionel, MIT
Title: Degenerations of Gromov-Witten invariants
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor Panagiotis Souganidis, University of Wisconsin
Title: Fully nonlinear stochastic partial differential equations: Theory and applications.
Contact Info here
Monday, May 24, 1999

Topology Seminar Lunt 104, 4:10pm
Professor Benoit Fresse, Nice
Title: On homotopy operations for simplicial algebras over an operad
Contact Info here
Wednesday, May 26, 1999

Colloquium Lunt 105, 4:00pm
Professor Kari Vilonen, Brandeis University
Title: Characteristic cycles and representaion theory
Contact Info here
Thursday, May 27, 1999

Graduate Dynamical Systems Seminar Lunt 107, 4:00pm
Malgorzata Stawiska ,
Title:
Contact Info here
Friday, May 28, 1999

Interdisciplinary Seminar in Nonlinear Science Tech M416, 3:00pm
Dr. H. Chate, Centre d'Etudes de Saclay, Gif-sur-Yvette, France
Title: Phase-Ordering, Interface Dynamics, and Persistence Exponents in Spatially-Extended Dynamical Systems
Special Note: Note unusual time
Abstract and details available
Friday, June 4, 1999

ESAM Colloquium Tech M416, 4:00pm
Professor S. Morris, U. California, Berkeley
Title: A simplified free-boundary problem for the evaporating wetting meniscus
Contact Info here
Thursday, June 17, 1999

Colloquium Lunt 105, 4:10pm
Professor David Eisenbud, Director, MSRI, Berkeley California
Title: Solving linear equations over polynomial rings and exterior algebras
Abstract and details available
Tuesday, July 6, 1999

ESAM Colloquium Tech M416, 11:00am
Dr. J.R.A. Pearson, Schlumberger Cambridge Research
Title: Thin film rupture in high Reynolds number flows
Special Note: Note unusal time and date
Contact Info here
Thursday, July 22, 1999

Topology Seminar Annenberg G32, 2pm
Professor Vincent Franjou, Nantes
Title: Polynomial Mackey Functors
Contact Info here
Topology Seminar
Topology Seminar Annenberg G32, 3.30pm
Professor Hans-Werner Henn, Strasbourg
Title: Euler characteristics of Orthogonal groups over Z[1/2]
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor David Hoff, Indiana University at Bloomington
Title: TBA
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor Athanasios Tzavaras, University of Wisconsin at Madison
Title: TBA
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Professor Athanasios Tzavaras, University of Wisconsin at Madison
Title: TBA
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Profesor Athanasios Tzavaras , University of Wisconsin at Madison
Title: TBA
Contact Info here
PDE Seminar Lunt 105, 4:10pm
Profesor Athanasios Tzavaras , University of Wisconsin at Madison
Title: TBA
Contact Info here

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