
AMS Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:09:05
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International Joint Mathematics Meeting
Vancouver, British Columbia Canada, August 1519, 1993
Meeting #883
Associate secretaries: Lance W Small, AMS lwsmall@ucsd.edu
Kenneth A Ross, MAA ross@math.uoregon.edu
Sunday August 15, 1993

Sunday August 15, 1993, 9:15 a.m.9:30 a.m.
Welcome Address

Sunday August 15, 1993, 9:35 a.m.10:25 a.m.
MAA Invited Address
Means, iterations, and experimentally induced identities.
Jonathan M. Borwein*, Simon Fraser University
(88300505)

Sunday August 15, 1993, 10:55 a.m.11:45 a.m.
AMSCMS Invited Address
Harmonic analysis techniques for higher order elliptic operators.
Jill C. Pipher*, Brown University
(88300504)

Sunday August 15, 1993, 1:15 p.m.2:05 p.m.
MAA Earle Raymond Hedrick Lectures: Lecture I
Recent developments in geometry and physics.
Sir Michael Atiyah*, Trinity College, United Kingdom
(88300514)

Sunday August 15, 1993, 2:20 p.m.3:50 p.m.
MAA Teaching Award Presentations

2:20 p.m.
V. Frederick Rickey, Bowling Green State University
Doris W. Schattschneider, Moravian College
Philip D. Straffin, Jr., Beloit College

Sunday August 15, 1993, 2:30 p.m.4:55 p.m.
AMS Special Session on Problems in Number Theory in Memory of E.G. Straus, I

2:30 p.m.
Some problems of E.G. Straus.
M. V. Subbarao*, University of Alberta
(8831170)

2:55 p.m.
Thoughts on number theory.
Basil Gordon*, University of California, Los Angeles
(88311304)

3:20 p.m.
The generalized Fibonacci numbers combined with the generalized Pascal triangle.
Joseph Arkin, United States Military Academy
David C. Arney, United States Military Academy
Frank R. Giordano, United States Military Academy
Rickey A. Kolb*, United States Military Academy
(88311281)

3:45 p.m.
Operators that take sequences to diagonals of their difference triangles.
Edith H. Luchins*, Rensselaer Polytechnic Institute
Russell J. Hendel, Morris College
(88311193)

4:10 p.m.
Primitive pythagorean triples viewed in the light of the general theory of the sum of two squares.
Irving Adler*, North Bennington, Vermont
(8831103)

4:35 p.m.
On simultaneous nonhomogeneous Diophantine equations.
Murray S. Klamkin*, University of Alberta
(88311181)

Sunday August 15, 1993, 2:30 p.m.5:50 p.m.
AMS Special Session on Discrete Geometry and Convexity, I

2:30 p.m.
Kissing number.
Andras Bezdek*, Hungarian Academy of Sciences, Hungary and Auburn University, Auburn
(88352219)

3:00 p.m.
Subdivisions of the product of two simplices and the Newton polytope of the product of all minors of an m x n matrix.
Louis J. Billera*, Cornell University
(88352240)

3:30 p.m.
Convexly independent sets and points.
T. Bisztriczky*, University of Calgary
(88352245)

4:00 p.m.
Some oriented 2manifolds can not be embedded in the 2skeleton of any convex 4polytope.
Amos Altshuler, BenGurion University of the Negev, Israel
Juergen Bokowski*, University of Darmstadt, Germany
Peter Schuchert, University of Darmstadt, Germany
(88352221)

4:30 p.m.
Tomography of convex and star bodies.
R. J. Gardner*, Western Washington University
A. Vol\v ci\v c, University of Trieste, Italy
(88352157)

5:00 p.m.
Hexagonal circle packings in the plane.
Burt Rodin*, University of California at San Diego, La Jolla
(88330242)

5:30 p.m.
Polyhedral surfaces.
Ulrich Brehm*, Technical University of Berlin,
(88352299)

Sunday August 15, 1993, 2:30 p.m.6:00 p.m.
AMS Special Session on Symplectic Geometry, I

2:30 p.m.
Hamiltonian control system on bundles.
P. S. Krishnaprasad*, University of Maryland, College Park
(88393196)

3:30 p.m.
Global geometry of the Euler top.
Richard H. Cushman*, Rijksuniversiteit Utrecht, The Netherlands
(8835823)

4:00 p.m.
Reduction and reconstruction of symmetries.
Jedrzej Sniatycki*, University of Calgary
(8837045)

4:50 p.m.
On symplectic submanifolds of cotangent bundles.
Mark J. Gotay*, University of Hawaii, Honolulu
(88353168)

5:20 p.m.
Principal affine varieties and imploded crosssections.
Reyer Sjamaar*, Massachusetts Institute of Technology
(88358293)

Sunday August 15, 1993, 2:30 p.m.5:45 p.m.
AMS Special Session on Exponential Families in Mathematical Statistics, I

2:30 p.m.
The diagonal natural exponential families.
Gerard Letac*, University Paul Sabatier, France
(88362202)

3:05 p.m.
Orthogonal polynomials associated with the diagonal natural exponential families in R 2.
ILi Lu*, Bureau of the Census, Washington, DC
Donald Richards, University of Virginia
(8836061)

3:40 p.m.
On a characterization of variance functions of natural exponential families.
Daoud Bshouty*, TechnionIsrael Institute of Technology, Israel
(8836227)

4:15 p.m.
The 2n+4 simple quadratic types of natural exponential families in R^n.
Muriel Casalis*, University Paul Sabatier, France
(88362203)

4:50 p.m.
Lie groups and quadratic variance functions.
Philip Feinsilver*, Southern Illinois University, Carbondale
(88360322)

5:25 p.m.
On regular variation of variance functions and convergence of infinitely divisible exponential dispersion models.
Jose Raul Martinez*, National University of Cordoba, Argentina
(88362185)

Sunday August 15, 1993, 2:30 p.m.4:50 p.m.
AMS Special Session on Algebraic and Geometric Methods in Control Theory, I

2:30 p.m.
Optimal control and vakonomic mechanics.
Anthony M. Bloch*, Ohio State University, Columbus
(8833453)

3:00 p.m.
Convexity of solutions of nonlinear PDE's.
Omar Hijab*, Temple University, Philadelphia
(88335187)

3:30 p.m.
A PDE problem in estimation algebra.
RuiTao Dong*, Johns Hopkins University
(88353214)

4:00 p.m.
Classification of finite dimensional filters.
Stephen S.T. Yau*, University of Illinois, Chicago
(8839305)

4:30 p.m.
Geometric invariants for control systems.
William Shadwick, The Fields Institute
Richard Atkins*, The Fields Institute
(88393171)

Sunday August 15, 1993, 2:30 p.m.4:30 p.m.
MAA Minicourse \#1: Part A
The Fibonacci and Catalan numbers
Ralph P. Grimaldi, RoseHulman Institute of Technology

Sunday August 15, 1993, 2:30 p.m.4:30 p.m.
MAA Minicourse \#2: Part A
Teaching applied mathematics via Maple
Robert J. Lopez, RoseHulman Institute of Technology

Sunday August 15, 1993, 2:30 p.m.6:00 p.m.
AMS Session on Graph Theory and Combinatorics

2:30 p.m.
On the chromatic number of geometric graphs on the integer lattice.
Carolyn R. Mahoney*, California State University, San Marcos
Kiran B. Chilakamarri, Central State University, Ohio
(88305320)

2:50 p.m.
On the hull number of a graph.
Frank Harary*, New Mexico State University, Las Cruces
(88305321)

3:10 p.m.
Algebraic coding theory: New developments.
N. J. A. Sloane*, AT&T Bell Laboratories, Murray Hill, New Jersey
(88394307)

3:30 p.m.
A slick new way of getting the formulas for the sums of the powers of the integers and a lot more.
Donald R. Snow*, Brigham Young University
(88305256)

3:50 p.m.
Evacuation of labelled graphs.
Claudia Malvenuto*, University of Quebec at Montreal
(88305163)

4:10 p.m.
The minimal length of a permutation as a product of transpositions.
George Mackiw*, Loyola College in Maryland
(88305204)

4:30 p.m.
The harmonious chromatic sequence of a graph.
David Moser*, Manchester College
(88305276)

4:45 p.m.
The optimal placement of replicas along a straight line.
Irwin Pressman*, Carleton University
(88315251)

5:05 p.m.
Using the multilinear extension of a game.
Kathy Hoke*, University of Richmond
(88390258)

5:20 p.m.
Borromean frames.
William W. Chernoff*, University of New Brunswick,
(88351287)

5:35 p.m.
Bisectors of triangles and tetrahedra.
William A. Beyer*, Los Alamos National Laboratory
(88351303)

5:50 p.m.
Complex triangle functions and centres of triangles.
J. A. Lester*, University of New Brunswick, Fredericton
(88351177)

Sunday August 15, 1993, 2:30 p.m.5:00 p.m.
AMS Session on Algebra

2:30 p.m.
Two Noetherian properties of rings satisfying (accr).
Sylvia C. Lu*, University of Colorado, Denver
(88313198)

2:50 p.m.
Fixed fields of some unipotent groups.
ShouJen Hu*, Tamkang University, Republic of China
(8831338)

3:10 p.m.
On isomorphisms of regular selfinjective rings.
R. M. Raphael*, Concordia University
W. D. Burgess, University of Ottawa
(88316259)

3:30 p.m.
Some forms of E_8.
George B. Seligman*, Yale University
(88317210)

3:50 p.m.
Products of involutions in SL(n,A).
Francis A. Arlinghaus*, Youngstown State University
(88320318)

4:10 p.m.
Nonmeasurable dense subsets of compact groups.
Gerald Itzkowitz*, Queen's University
Dmitri Shakhmatov, Moscow State University, Russia
(88322216)

4:30 p.m.
Factors of period polynomials for finite fields,II.
Stan Gurak*, University of San Diego
(88311275)

4:50 p.m.
Negatively curved groups have the convergence property.
Eric M. Freden*, Brigham Young University
(8832047)

Sunday August 15, 1993, 2:30 p.m.4:45 p.m.
MAA Session on Mathematics and Industry Interface, I

2:30 p.m.
Welcoming remarks, Brian Alspach

2:40 p.m.
Cooperative education in mathematics.
Kerstin Baxter*, Simon Fraser University
(88300434)

3:10 p.m.
Cantor's paradise lost.
James Dukarm*, DeltaX Research, British Columbia
(88300435)

4:00 p.m.
Employment in environmental mathematics.
Roy Leipnik*, University of California, Santa Barbara
(88300436)

4:25 p.m.
Comments from audience

Sunday August 15, 1993, 4:00 p.m.4:50 p.m.
Blumenthal Award and Address

Sunday August 15, 1993, 4:00 p.m.6:00 p.m.
SUMMA Workshop
Intervention projects for minority precollege students

Sunday August 15, 1993, 4:00 p.m.6:00 p.m.
MAA Section Officers

Sunday August 15, 1993, 4:45 p.m.6:45 p.m.
MAA Minicourse \#3: Part A
Environmental modeling via the qualitative, visual, and computational
B.A. Fusaro, Salisbury State University

Sunday August 15, 1993, 4:45 p.m.6:45 p.m.
MAA Minicourse \#4: Part A
Implementing the Harvard calculus curriculum
Wayne Raskind, University of Southern California
Inquiries: meet@ams.org

