
AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:09:04
Program 
Deadlines 
Inquiries: meet@ams.org
Central 1993 Spring Sectional Meeting
DeKalb, IL, May 2023, 1993
Meeting #882
Associate secretaries: Andy R Magid, AMS amagid@ou.edu
Friday May 21, 1993

Friday May 21, 1993, 8:00 a.m.10:50 a.m.
Special Session on Combinatorics, II
Room 204A, DuSable Hall

8:00 a.m.
On generalizations of the deBruijnErdos Theorem.
Hunter S. Snevily*, California Institute of Technology
(88205175)

8:30 a.m.
New constructions of bipartite graphs on m,n vertices, with many edges, and without small cycles.
Felix Lazebnik*, University of Delaware
V. A. Ustimenko, Kiev State University, Ukraine
A. J. Woldar, Villanova University
(8820594)

9:00 a.m.
Turan type results for graphs with many triangles.
P. Erd\"os, Hungarian Academy of Science, Hungary
Z. F\"uredi, University of Illinois, UrbanaChampaign
R. Gould, Emory University
D. S. Gunderson*, Emory University
(88205187)

9:30 a.m.
On Erdos problem about bandwidth of graphs.
Jianfang Wang, Academia Sinica, People's Republic of China
Douglas B. West*, University of Illinois, UrbanaChampaign
Bing Yang, Northwest Normal University, China
(88205163)

10:00 a.m.
Hadwiger's conjecture for K_6free graphs.
Robin Thomas*, Georgia Institute of Technology
(88205161)

10:30 a.m.
Eigenvalues and separators of graphs.
Fan R.K Chung*, Bellcore, Morristown, New Jersey
(88205176)

Friday May 21, 1993, 8:30 a.m.10:50 a.m.
Special Session on Number Theory, I
Room 204, DuSable Hall

8:30 a.m.
Transcendence and dependence via continued fractions.
Edward B. Burger*, Williams College
(88211125)

9:00 a.m.
On the uniform distribution of Kronecker sequences.
Jozsef Beck*, Rutgers University, New Brunswick
(8821171)

9:30 a.m.
When are elliptic curves almost periodic?
Richard K. Guy*, University of Calgary
(88211132)

10:00 a.m.
The scarcity of squarefree binomial coefficients.
Andrew J. Granville*, University of Georgia
Olivier Ramar\'e, Institute for Advanced Study
(88211124)

10:30 a.m.
Polynomial exponential equations.
Wolfgang Schmidt*, University of Colorado, Boulder
(88211131)

Friday May 21, 1993, 8:30 a.m.10:50 a.m.
Special Session on Advances In Linear Algebra: Theory, Computation, Application, I
Room 433, DuSable Hall

8:30 a.m.
Regions in the complex plane containing the eigenvalues of a matrix.
Richard A. Brualdi*, University of Wisconsin, Madison
Stephen Mellendorf, University of Wisconsin, Madison
(88215120)

9:00 a.m.
The periodic Schur decomposition. Algorithms and applications.
Paul VanDooren*, University of Illinois, UrbanaChampaign
(88265109)

9:30 a.m.
A parallel divide and conquer algorithm for the generalized real symmetric definite tridiagonal eigenproblem.
Carlos F. Borges, Naval Postgraduate School
William B. Gragg*, Naval Postgraduate School
(88265118)

10:00 a.m.
Advances in the numerical algebraic eigenproblem.
Zhonggang Zeng*, Northern Illinois University
(88265106)

10:30 a.m.
Eigenvalue and inverse eigenvalue problems for Toeplitz matrices.
Santosh Kumar Mohanty*, Northern Illinois University
Gregory S. Ammar, Northern Illinois University
(88265110)

Friday May 21, 1993, 8:30 a.m.10:20 a.m.
Special Session on Function Theory, I
Room 424, DuSable Hall

8:30 a.m.
Ahlfors alpharegular curves and bilipschitz homogoneity.
David A. Herron*, University of Cincinnati
Manouchehr Ghamsari, Christopher Newport University
(8823087)

9:00 a.m.
Holder conditions on the reciprocal of the density of the hyperbolic metric.
C. David Minda*, University of Cincinnati
(8823019)

9:30 a.m.
Chebyshev polynomials and discrete groups.
F. W. Gehring*, University of Michigan, Ann Arbor and Univesity of Texas, Austin
G. J. Martin, University of Auckland, New Zealand
(8823075)

10:00 a.m.
Proof of an extremal property of Chebyshev polynomials conjectured by P. Erdos.
Alex Eremenko*, Purdue University, West Lafayette
(88230144)

Friday May 21, 1993, 11:00 a.m.11:50 a.m.
Invited Address
Chaos in dynamical systems.
Room 100, Cole Hall
Clark Robinson*, Northwestern University
(88234186)

Friday May 21, 1993, 1:30 p.m.2:20 p.m.
Invited Address
Trees, Hausdorff dimension, and probability.
Room 100, Cole Hall
Russell Lyons*, Indiana University, Bloomington
(88205130)

Friday May 21, 1993, 3:00 p.m.4:20 p.m.
Special Session on Analytic Number Theory, II
Room 204, DuSable Hall

3:00 p.m.
How to improve a RosserIwaniec sieve estimate.
Roger Baker*, Brigham Young University
(8821136)

3:30 p.m.
Functions associated with sieves.
H. Halberstam*, University of Illinois, UrbanaChampaign
H. Diamond, University of Illinois, UrbanaChampaign
H.E. Richert, University of Ulm, Germany
(88211150)

4:00 p.m.
Functions associated with sieves, II.
Harold G. Diamond*, University of Illinois, UrbanaChampaign
H. Halberstam, University of Illinois, UrbanaChampaign
H.E. Richert, University of Ulm, Germany
(8821108)

Friday May 21, 1993, 3:00 p.m.4:20 p.m.
Special Session on Beautiful Graph Theory, I
Room 320, DuSable Hall

3:00 p.m.
Digraph homomorphisms.
Pavol Hell*, Simon Fraser University
(8820590)

3:30 p.m.
The number of edges in a maximal trianglefree graph.
Curtiss Barefoot, New Mexico Institute of Technology
Karen Casey, University of Colorado, Denver
David Fisher, University of Colorado, Denver
Kathryn Fraughnaugh*, University of Colorado, Denver
Frank Harary, New Mexico State University, Las Cruces
(88205152)

4:00 p.m.
4cockades and inverse sign patterns.
Richard A. Brualdi*, University of Wisconsin, Madison
(88205129)

Friday May 21, 1993, 3:00 p.m.5:20 p.m.
Special Session on Advances In Linear Algebra: Theory, Computation, Application, II
Room 433, DuSable Hall

3:00 p.m.
Numerical minimization of the LandaudeGennes free energy liquid crystals.
Chuck Gartland*, Kent State University, Kent
Tim Davis, Kent State University, Kent
Peter PalffyMuhoray, Southern Illinois University
(88265116)

3:30 p.m.
Interiorpoint methods for matrix linear programming problems.
L. Faybusovich*, University of Notre Dame
(88258107)

4:00 p.m.
Distances and conditioning in computational control.
Ralph Byers*, University of Kansas
(88293121)

4:30 p.m.
Feedback stabilization of a secondorder system: A nonmodal approach.
Biswa Nath Datta*, Northern Illinois University
Fernando Rinc\'on, Northern Illinois University
(88293105)

5:00 p.m.
A cell structure for the set of autoregressive systems.
Joachim Rosenthal*, University of Notre Dame
Xiaochang Wang, Texas Tech University
(8829388)

Friday May 21, 1993, 3:00 p.m.6:20 p.m.
Special Session on Stochastic Processes, I
Room 202A, DuSable Hall

3:00 p.m.
Branching processes in varying environments.
Russell Lyons*, Indiana University, Bloomington
(8826076)

3:30 p.m.
Regular conditional probabilities and a linear birthdeath predatorprey process.
John Coffey*, Purdue University, Calumet Campus
(8826009)

4:00 p.m.
Limiting behavior of the connectivity function of oriented percolation with long range.
Bao Nguyen*, Illinois Institute of Technology
WeiShih Yang, Temple University
(8826005)

4:30 p.m.
Operator valued weight functions on the torus: Factorization and invariant subspaces.
Ray Cheng*, University of Louisville
(8826003)

5:00 p.m.
Stochastic modeling of seismic records based on deterministic formulations.
G. R. DargahiNoubary*, Bloomsburg University of Pennsylvania
(8826013)

5:30 p.m.
AR cyclostationary processes and period uncertainty.
Peter J. Sherman*, Iowa State University
(88260148)

6:00 p.m.
Stochastic analysis for measuring income inequality and poverty.
Ibrahim A. Ahmad*, Northern Illinois University
(8826092)

Friday May 21, 1993, 3:00 p.m.4:50 p.m.
Special Session on Function Theory, II
Room 424, DuSable Hall

3:00 p.m.
A sharp norm estimate for the conjugate function.
Matts Essen, Uppsala University, Sweden
Daniel Shea*, University of Wisconsin, Madison
Charles Stanton, California State University, San Bernardino
(8824299)

3:30 p.m.
Some local properties of the solutions of secondorder differential equations.
Jiuyi Cheng*, Virginia Polytechnic Institute and State University
John Rossi, Virginia Polytechnic Institute and State University
(8823062)

4:00 p.m.
Computation of Nevanlinna error terms.
Peter Hall*, University of Alabama, Tuscaloosa
(8823044)

4:30 p.m.
The best error terms of classical functions.
Linda Sons, Northern Illinois University
Zhuan Ye*, Northern Illinois University
(88230145)

Friday May 21, 1993, 3:00 p.m.4:20 p.m.
Special Session on Probabilistic Methods, I
Room 204A, DuSable Hall

3:00 p.m.
Minimal absolute values of random trigonometric polynomials.
A. M. Odlyzko*, AT&T Bell Laboratories, Murray Hill, New Jersey
(88260103)

3:30 p.m.
A normal law for matchings.
Jeff Kahn*, Rutgers University, New Brunswick
(88205167)

4:00 p.m.
On random matchings in regular graphs.
Jeff Kahn, Rutgers University, New Brunswick
Jeong Han Kim*, Rutgers University, New Brunswick
(88205166)

Friday May 21, 1993, 3:00 p.m.4:50 p.m.
Special Session on Discrete Groups, I
Room 426, DuSable Hall

3:00 p.m.
The elliptic order algorithm.
Jane Gilman*, Rutgers University, Newark
(8822074)

3:30 p.m.
Discreteness conditions in PU(2,1), I.
Robert Miner*, University of Oklahoma
Ara Basmajian, University of Oklahoma
(88251137)

4:00 p.m.
Discreteness conditions in PU(2,1), II.
Ara Basmajian*, University of Oklahoma
Robert Miner, University of Oklahoma
(88251138)

4:30 p.m.
Strange action of cocompact 3hyperbolic groups on H^5 and spaces fibering over closed hyperbolic 3manifolds.
Boris Apanasov*, University of Oklahoma
(8825737)

Friday May 21, 1993, 3:00 p.m.5:50 p.m.
Special Session on Mathematical Topics in Fluid Dynamics, I
Room 432, DuSable Hall

3:00 p.m.
Fractal dimension of short trajectories from the nonNewtonian attractor.
J. Necas*, Northern Illinois University
J. Malek, Charles University, Czechoslovakia
(8823531)

3:30 p.m.
Singular nonlinear Schrodinger limits.
Paul K. Newton*, University of Illinois, UrbanaChampaign
(8827617)

4:00 p.m.
Young measurevalued solutions for nonNewtonian incompressible fluids.
H. Bellout*, Northern Illinois University
F. Bloom, Northern Illinois University
J. Necas, Northern Illinois University
(8823530)

4:30 p.m.
Advection of a passive scalar by dipolar vortex couple.
Andrew J. Bernoff*, Northwestern University
Joseph F. Lingevitch, Northwestern University
(8827633)

5:00 p.m.
Attractors of nonNewtonian and bipolar viscous fluids.
Frederick Bloom*, Northern Illinois University
(8827666)

5:30 p.m.
Renormalisation group theory for similarity solutions of the second kind in porous medium flow and the propagation of turbulence.
Nigel Goldenfeld*, University of Illinois, UrbanaChampaign
(8827668)

Friday May 21, 1993, 4:30 p.m.5:50 p.m.
Special Session on Combinatorics, III
Room 204A, DuSable Hall

4:30 p.m.
Asymptotic enumeration of full graphs.
D. J. Kleitman*, Massachusetts Institute of Technology
F. Lasaga, Massachusetts Institute of Technology
L. J. Cowen, Massachusetts Institute of Technology
(88205153)

5:00 p.m.
Graph generated unionclosed families and the unionclosed sets conjecture.
Emanuel Knill*, Los Alamos National Laboratory
(88205155)

5:30 p.m.
Twopart shadows.
G. O. H. Katona*, University of Illinois, UrbanaChampaign and Mathematical Institute of Hungarian Academy of Sciences, Hungary
(88205173)

Friday May 21, 1993, 4:30 p.m.5:55 p.m.
Session on Theory of Numbers
Room 202C, DuSable Hall

4:30 p.m.
Power reciprocity of Jacobi sums.
Charles Helou*, Pennsylvania State University, Delaware County Campus
(8821134)

4:45 p.m.
On Sidon sequences of even orders.
Sheng Chen*, Southwest Texas State University
(8821138)

5:00 p.m.
Primes of the fifth cyclomatic field.
Andrew J. Lazarus*, Berkeley, California
(8821186)

5:15 p.m.
Ramanujan's formulas for the coefficients in the expansions of certain modular forms.
Paul Bialek*, University of Illinois, UrbanaChampaign
(88211168)

5:30 p.m.
A generalzied approach to the 3x+1 problem.
Stephen M. Zemyan*, Pennsylvania State University, University Park
(88211170)

5:45 p.m.
Unified algorithm to find existent units in algebraic number fields of the form Q(w).
Malvina Baica*, University of Wisconsin, Whitewater
(88212139)
Inquiries: meet@ams.org

