Joint Mathematics Meetings Program by Special Session
Current as of Tuesday, April 12, 2005 15:09:54
Program 
Deadlines 
Inquiries: meet@ams.org
1999 Joint Mathematics Meetings
San Antonio, TX, January 1316, 1999
Meeting #939
Associate secretaries:
Susan J Friedlander, AMS susan@math.northwestern.edu
James J Tattersall, MAA tat@providence.edu
AMS Special Session on Discrete Models and Difference Equations

Wednesday January 13, 1999, 8:00 a.m.10:50 a.m.
AMS Special Session on Discrete Models and Difference Equations, I
Organizers:
Saber Elaydi, Trinity University selaydi@trinity.edu
Gerry Ladas, University of Rhode Island gladas@math.uri.edu

8:00 a.m.
Stochastic and Deterministic Discrete AgeStructured Models.
Linda J. S. Allen*, Texas Tech University
Garry L. Block, Texas Tech University
(93939723)

8:30 a.m.
Lyapunov functions for discrete population models.
J. M. Cushing*, University of Arizona
(93992658)

9:00 a.m.
Multiple Attractors and Resonance in PeriodicallyForced Discrete Models.
Shandelle M Henson*, University of Arizona
(93939794)

9:30 a.m.
Extinction, Weak Extinction, and Persistence in a Discrete, Competitive LotkaVolterra Model .
David M. Chan*, North Carolina State University
John E. Franke, North Carolina State University
(93992122)

10:00 a.m.
Competition and Predation in SizeStructured Discrete Models.
AbdulAziz Yakubu*, Howard University
(93939109)

10:30 a.m.
Discrete Models of LotkaVolterra Type.
Saber N Elaydi*, Trinity University
Pingzhou Liu, Flinders University
(93939585)

Wednesday January 13, 1999, 2:15 p.m.6:05 p.m.
AMS Special Session on Discrete Models and Difference Equations, II
Organizers:
Saber Elaydi, Trinity University selaydi@trinity.edu
Gerry Ladas, University of Rhode Island gladas@math.uri.edu

2:15 p.m.
Effects of Temporal Heterogeniety in the BaumolWolff Productivity Growth Model.
Hassan Sedaghat*, Virginia Commonwealth University
(93939277)

2:45 p.m.
Properties of a certain Lyness equation.
Catherine Darwen, Southern Illinois University
William T. Patula*, Southern Illinois University
(9393962)

3:15 p.m.
On the Behavior of Solutions of x(n+1) = a + x(n1)/x(n).
E. A. Grove*, University of Rhode Island
G. Ladas, University of Rhode Island
A. M. Amleh, University of Rhode Island
D. A. Georgiou, Democritus University of Thrace
(93939242)

3:45 p.m.
Global Stability of $x_{n+1}=\frac{A}{x_n^p}+\frac{1}{x_{n1}^{1/p}}$.
Richard C DeVault, Northwestern St. Univ. of LA
Lisa R Galminas*, Northwestern St. Univ. of LA
(93939105)

4:15 p.m.
On the Recursive Sequence x(n+1)=(Ax(n)+Bx(n1))/(Cx(n)+Dx(n1)) .
M. R. S. Kulenovic*, University of Rhode Island
G. Ladas, University of Rhode Island
W. Sizer, Moorhead State Universityd
(93939276)

4:45 p.m.
Global Behavior of a Nonlinear Second Order Difference Equation.
Vlajko L Kocic*, Xavier University of Louisiana
Donna Stutson, Xavier University of Louisiana
(93939492)

5:15 p.m.
On the nonautonomous equation x[n+1]=max{1/x[n],A[n]/x[n1]}.
William J. Briden, The University of R.I.
Edward A. Grove, The University of R.I.
Candace M. Kent*, Virginia Commonwealth University
Gerry Ladas, Kingston, RI
(93939768)

5:45 p.m.
Stability of solutions of systems of linear difference equations with almost periodic, near constant coefficients.
Alexei V. Bourd*, QUALCOMM, Inc.
(93939640)

Thursday January 14, 1999, 8:00 a.m.11:50 a.m.
AMS Special Session on Discrete Models and Difference Equations, III
Organizers:
Saber Elaydi, Trinity University selaydi@trinity.edu
Gerry Ladas, University of Rhode Island gladas@math.uri.edu

8:00 a.m.
Inclusion Principle for Discrete Dynamic Systems .
Dragoslav D Siljak*, Santa Clara University
Srdjan S Stankovic, University of Belgrade
(93993457)

8:30 a.m.
Difference Equations and Discriminants for Discrete Orthogonal Polynomials.
Mourad E. H. Ismail*, University of South Florida
(93933131)

9:00 a.m.
Numerical Approximations Using Chebyshev Polynomial Expansions.
Bogdan Mihaila, University of NH
Ioana Mihaila*, Coastal Carolina University
(93965305)

9:30 a.m.
Explicit Discretizations of FirstOrder ODE's.
Ronald E. Mickens*, Clark Atlanta University
(93939193)

10:00 a.m.
The Variational Equation for Finite Difference Equations and some Biological Applications.
David A. Sanchez*, Texas A&M University
(93939107)

10:30 a.m.
Successive Differences on Vectors of Integers.
Charles J. Kicey*, Valdosta State University
Christopher J. Lennard, University of Pittsburgh
Jun Ji, Valdosta State University
(9391148)

11:00 a.m.
An Elementary Approach to Transversality Conditions for Bifurcation.
Mario U Martelli*, CSU Fullerton
Sindi Suzanne, CSU Fullerton
Gareguin Mikaelian, CSU Fullerton
(9393936)

11:30 a.m.
Trigonometric Transformations of Symplectic Difference Systems.
Martin J Bohner*, University of MissouriRolla
Ond\v{r}ej Do\v{s}l\'{y}, Masaryk University and Czech Academy of Sciences
(93939201)

Thursday January 14, 1999, 2:15 p.m.4:05 p.m.
AMS Special Session on Discrete Models and Difference Equations, IV
Organizers:
Saber Elaydi, Trinity University selaydi@trinity.edu
Gerry Ladas, University of Rhode Island gladas@math.uri.edu

2:15 p.m.
Multiple Symmetric Positive Solutions for Discrete Lidstone Boundary Value Problems.
Johnny Henderson*, Auburn University
(9393931)

2:45 p.m.
Comparison of solutions of difference inequalities.
Paul W. Eloe*, University of Dayton
(93939118)

3:15 p.m.
A Variable Step Second Order Time Reversible Symplectic Integrator for Hamiltonian Systems generated from Lagrangians.
Calvin D. Ahlbrandt*, University of Missouri, Columbia, Missouri
(93939116)

3:45 p.m.
A selfadjoint differential equation on a time scale.
Allan C. Peterson*, University of Nebraska
(9393992)

Thursday January 14, 1999, 7:00 p.m.9:20 p.m.
AMS Special Session on Discrete Models and Difference Equations, V
Organizers:
Saber Elaydi, Trinity University selaydi@trinity.edu
Gerry Ladas, University of Rhode Island gladas@math.uri.edu

7:00 p.m.
Global Behavior of Solutions of the Period 7 Max Equation.
Jeffrey J Feuer*, Merrimack College
Edward J Janowski, University of Rhode Island
Gerry Ladas, University of Rhode Island
Chris Teixeira, University of Rhode Island
(93939595)

7:30 p.m.
Global Stability of a Difference Equation.
Edward Grove, University of Rhode Island
Gerry Ladas, University of Rhode Island
Soudabeh Valicenti*, University of Rhode Island
(93939229)

8:00 p.m.
Using Recurrence Relations in Ramsey Theory.
Aaron J. Robertson*, Temple University
Doron Zeilberger, Temple University
(9390557)

8:30 p.m.
On the Nonautonomous Difference Equation x(n+1) = max{x(n),a(n)}/x(n)x(n1).
William J. Briden*, University of Rhode Island
Gerry Ladas, University of Rhode Island
Tim Nesemann, University of Rhode Island
(93939297)

9:00 p.m.
Convergence Theorems for Iterative Processes.
Zhivko S. Athanassov*, Bulgarian Academy of Sciences, Sofia
(939391191)
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Inquiries: meet@ams.org