AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:09:39
1997 Spring Western Sectional Meeting
Corvallis, OR, April 19-20, 1997
Meeting #921
Associate secretaries: William A Harris, Jr, AMS wharris@math.usc.edu
Sunday April 20, 1997
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Sunday April 20, 1997, 7:30 a.m.-12:00 p.m.
Registration
Room 108, Kidder Hall, Mathematics Learning Center -
Sunday April 20, 1997, 7:30 a.m.-12:00 p.m.
Exhibit and Book Sale
Room 108, Kidder Hall, Mathematics Learning Center -
Sunday April 20, 1997, 8:00 a.m.-10:50 a.m.
Special Session on Geometric Methods in Mathematical Physics, III
Room 109, Strand Agricultural Hall
Organizers:
Juha Pohjanpelto, Oregon State University juha@math.orst.edu
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8:00 a.m.
The braid group, periodic orbits, and the planar N-body problem
Richard W. Montgomery*, University of California, Santa Cruz
(921-58-31) -
8:25 a.m.
Group Drift over the Ergodic Domains and Attractors
Serge Preston*, Portland State University, Portland, OR
(921-70-122) -
8:50 a.m.
Reduction by stages
Tudor S Ratiu*, University of California, Santa Cruz
(921-58-158) -
9:15 a.m.
Periodic orbits of Hamiltonian systems and dynamics in magnetic fields
Viktor L. Ginzburg*, University of California, Santa Cruz
(921-58-114) -
9:40 a.m.
Hamiltonian reduction of Einstein's equations of general relativity
Arthur E. Fischer*, University of California, Santa Cruz
Vincent Moncrief, Yale University
(921-83-166) -
10:05 a.m.
A Conformal Mapping Problem Arising in String Theory.
Jeff Rabin*, University of California, San Diego.
(921-81-155) -
10:30 a.m.
Homological vector fields and their applications
Arkady Vaintrob*, New Mexico State University and Brigham Young University
(921-58-46)
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8:00 a.m.
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Sunday April 20, 1997, 8:00 a.m.-10:50 a.m.
Special Session on Operator Algebras, III
Room 111, Strand Agricultural Hall
Organizers:
Huaxin Lin, University of Oregon hlin@bright.uoregon.edu
Christopher Phillips, University of Oregon phillips@bright.uoregon.edu
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8:00 a.m.
Subfactors and Partially Commuting Squares
Peter T Akemann*, University of California, Berkeley
(921-46-126) -
8:30 a.m.
$C^*$--algebra generated by orthogonal projections
Nikolai Vasilevski*, Departamento de Matematicas, CINVESTAV del I.P.N., Mexico
(921-46-18) -
9:00 a.m.
Computing $K$-theory contingencies to stable relations
Terry A Loring*, University of New Mexico
Soren Eilers, University of Copenhagen
(921-46-55) -
9:30 a.m.
Hilbert modules with involution
Nik Weaver*, UCLA/Washington U
(921-46-35) -
10:00 a.m.
Spectral invariance of stabilizations of dense subalgebrasof C*-algebras
Larry B. Schweitzer*,
(921-46-177) -
10:30 a.m.
Discussion
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8:00 a.m.
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Sunday April 20, 1997, 8:45 a.m.-10:40 a.m.
Special Session on Inverse Problems, III
Room 226, Strand Agricultural Hall
Organizers:
Adel Faridani, Oregon State University faridani@math.orst.edu
David V. Finch, Oregon State University finch@math.orst.edu
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8:45 a.m.
On Characterization of Dirichlet-to-Neumann maps for Planar Regions
David V Ingerman*, University of Washington
(921-35-54) -
9:15 a.m.
On the null space in linearized anisotropic crosswell traveltimetomography
Kenneth P. Bube*, University of Washington
Mark A. Meadows, Chevron Petroleum Technology Company
(921-86-98) -
9:45 a.m.
Spectra of periodic differential operators and photonic crystals
Peter Kuchment*, Wichita State University
Leonid Kunyansky, Wichita State University
(921-78-42) -
10:15 a.m.
Electrical Impedance Tomography: The two dimensional case
Gunther Uhlmann*, University of Washington
(921-35-78)
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8:45 a.m.
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Sunday April 20, 1997, 8:50 a.m.-10:50 a.m.
Special Session on Algebraic and Elementary Number Theory, III
Room 115, Social Science Building
Organizers:
Richard A. Mollin, University of Calgary ramollin@math.ucalgary.ca
Peter J. Shiue, University of Nevada, Las Vegas shiue@nevada.edu
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8:50 a.m.
On an Optimality Property of Ramanujan Sums.
Gennady Bachman*, University of Nevada at Las Vegas
(921-11-17) -
9:15 a.m.
Some identities connecting partition functions to other number theoretic functions
Neville Robbins*, San Francisco State University
(921-11-64) -
9:40 a.m.
Cyclic Indicator and Partition Functions
Leetsch C. Hsu,
Peter J.S. Shiue*, University of Nevada, Las Vegas
(921-11-77) -
10:05 a.m.
Periods of Sequences Generated by Two Special Mappings
Wun-Seng Chou*, Academia Sinica
Peter J.-S. Shiue, University of Nevada, Las Vegas
(921-11-139) -
10:30 a.m.
Discussion
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8:50 a.m.
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Sunday April 20, 1997, 8:50 a.m.-10:45 a.m.
Special Session on Octonions and Clifford Algebras, III
Room 132, Strand Agricultural Hall
Organizers:
Tevian Dray, Oregon State University tevian@math.orst.edu
Corinne Manogue, Oregon State University corinne@physics.orst.edu
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8:50 a.m.
Duality, triality and the four-color theorem
John C. Baez*, University of California, Riverside
(921-05-19) -
9:20 a.m.
The exceptions that prove the rule
Anthony Sudbery*, University of York, United Kingdom
(921-17-129) -
9:50 a.m.
Octonions and Exceptional Structures
Frank D Smith, Jr.*,
(921-17-15) -
10:20 a.m.
Exceptional nonlinear superconformal and quasi superconformal algebras and their realizations
Murat Gunaydin*, Penn State Physics, University Park
(921-20-123)
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8:50 a.m.
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Sunday April 20, 1997, 9:00 a.m.-10:50 a.m.
Special Session on Geometric Analysis, III
Room 222, Strand Agricultural Hall
Organizers:
Harold R. Parks, Oregon State University parks@math.orst.edu
Donald C. Solmon, Oregon State University solmon@math.orst.edu
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Sunday April 20, 1997, 9:00 a.m.-10:50 a.m.
Special Session on Singular Perturbations, Theory and Applications, III
Room 211, Strand Agricultural Hall
Organizers:
Leonid Viktorovich Kalachev, University of Montana leonid@selway.umt.edu
Robert E. O'Malley, Jr., University of Washington omalley@amath.washington
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9:00 a.m.
More Approximations for Special Functions
Harry Gingold*, University of West Virginia
(921-41-61) -
9:30 a.m.
On the Rate of Convergence of Borel Approximants
W. Balser, University of Ulm, Germany
D. A. Lutz*, San Diego State University
R. Schaefke, University Louis Pasteur, France
(921-41-72) -
10:00 a.m.
Stokes multipliers of a generalized Weber equation with a large parameter
Tatsuhiko J Tabara*, Golden Gate University
(921-34-173) -
10:30 a.m.
A New Approach in the Theory of Asymptotic Methods for Nonlinear Differential Equations and Painleve Equations in Particular
Alisher S. Abdullayev*, National University, Sacramento
(921-41-67)
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9:00 a.m.
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Sunday April 20, 1997, 11:00 a.m.-11:50 a.m.
Invited Address
Advances in the computation of area minimizing hypersurfaces
Gilfillan Auditorium, Wilkinson Hall
Harold R. Parks*, Oregon State University
(921-49-40) -
Sunday April 20, 1997, 2:00 p.m.-2:50 p.m.
Invited Address
Exponential asymptotics
Gilfillan Auditorium, Wilkinson Hall
Robert E. O'Malley*, University of Washington
(921-00-08) -
Sunday April 20, 1997, 3:00 p.m.-5:00 p.m.
Special Session on Octonions and Clifford Algebras, IV
Room 109, Strand Agricultural Hall
Organizers:
Tevian Dray, Oregon State University tevian@math.orst.edu
Corinne Manogue, Oregon State University corinne@physics.orst.edu
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3:00 p.m.
Discussion -
4:00 p.m.
Computer Demonstrations
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3:00 p.m.
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Sunday April 20, 1997, 3:00 p.m.-4:50 p.m.
Special Session on Operator Algebras, IV
Room 111, Strand Agricultural Hall
Organizers:
Huaxin Lin, University of Oregon hlin@bright.uoregon.edu
Christopher Phillips, University of Oregon phillips@bright.uoregon.edu
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3:00 p.m.
A non-commutative n-nomial formula
Carla Emilia Farsi*, University of Colorado
(921-46-96) -
3:30 p.m.
Rieffel's trace formula and theta functions
Samuel G. Walters*, University of Northern British Columbia
(921-46-79) -
4:00 p.m.
K-theory for translation algebras and its applications
Guoliang Yu*, University of Colorado, Boulder
(921-19-34) -
4:30 p.m.
Kirillov Theory and Transformation Group C*Algebras
Jeffrey S Fox*, University of Colorado, Boulder
(921-22-147)
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3:00 p.m.
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Sunday April 20, 1997, 3:00 p.m.-4:50 p.m.
Special Session on Singular Perturbations, Theory and Applications, IV
Room 211, Strand Agricultural Hall
Organizers:
Leonid Viktorovich Kalachev, University of Montana leonid@selway.umt.edu
Robert E. O'Malley, Jr., University of Washington omalley@amath.washington
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3:00 p.m.
Weakly Nonlinear Waves for Hyperbolic Conservation Laws With Rapidly Varying Parameters
J. Kevorkian*, University of Washington
D. L. Bosley, Harvey Mudd College
(921-35-66) -
3:30 p.m.
Singular Perturbation Methods for Bursting Systems
Mark Pernarowski*, Montana State Univesity
(921-35-57) -
4:00 p.m.
Asymptotics of the Eigenvalues of the Rotating Harmonic Oscillator
Mark Dunster*, San Diego State University
(921-41-58) -
4:30 p.m.
Asymptotic approximation for second order matrix differential equations
Uri Elias*, Technion, Israel Institute of Technology
Harry Gingold, West Virginia University
(921-34-13)
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3:00 p.m.