AMS Sectional Meeting Program by Day
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1996 Fall Southeastern Sectional Meeting
Chattanooga, TN, October 1112, 1996
Meeting #915
Associate secretaries:
Robert J Daverman, AMS
daverman@math.utk.edu
Saturday October 12, 1996

Saturday October 12, 1996, 8:00 a.m.10:50 a.m.
Special Session on Commutative Ring Theory, III
Room 204, University Center
Organizers:
David F. Anderson, University of Tennessee, Knoxville anderson@novell.math.utk.edu
David E. Dobbs, University of Tennessee, Knoxville dobbs@novell.math.utk.edu

8:00 a.m.
Warfield Domains
Herman Pat Goeters*, Auburn University
(9151347)

8:30 a.m.
Numbers of generators of ideals in zerodimensional group rings
James S. Okon,
David E. Rush,
J Paul Vicknair*,
(91513257)

9:00 a.m.
Anodality
Gabriel Picavet*, Universite Blaise Pascal
(9151350)

9:30 a.m.
Some relations between finite conductor property and coherence.
Sarah Glaz*, The University of Connecticut
(91513286)

10:00 a.m.
Coherentlike conditions in pullbacks.
Stefania Gabelli, Universita di Roma
N. G. Houston*, University of North Carolina, Charlotte
(91513276)

10:30 a.m.
Semi homogeneous domains
Muhammad Zafrullah*,
D. D. Anderson, University of Iowa
(91513265)

Saturday October 12, 1996, 8:00 a.m.10:50 a.m.
Special Session on Galois Theory, III
Room 212, University Center
Organizers:
Kevin R. Coombes, University of Maryland, College Park krc@math.umd.edu
Helmut Voelklein, University of Florida helmut@math.ufl.edu

8:00 a.m.
Local Fundamental Groups of Algebraic Varieties
Shreeram S. Abhyankar*, Purdue University
(9151426)

8:30 a.m.
More Classical Groups as Galois Groups
Paul A. Loomis*, Purdue University
(91512216)

9:00 a.m.
$GL(d)$ coverings of the projective line in characteristic $p$.
Ganapathy S. Sundaram*, Purdue University
(91512242)

9:30 a.m.
Frattini Embedding Problems
Bernd Heinrich Matzat*, Univ. Heidelberg
(91512230)

10:00 a.m.
Explicit regular realization of transitive groups of low degree
Gunter Martin Malle*, Universit\"at Heidelberg
(91512234)

10:30 a.m.
Isometries of Quadratic Forms Characterize All $DC$Extensions
John R. Swallow*, Davidson College
(91512105)

Saturday October 12, 1996, 8:00 a.m.10:50 a.m.
Special Session on Matrix Theory, III
Room 102C, University Center
Organizers:
ShuAn Hu, University of Tennessee, Chattanooga
Zhongshan Li, Georgia State University matzli@gsusgi2.gsu.edu
Ronald Lee Smith, University of Tennessee, Chattanooga rsmith@utcvm.utc.edu
Frank Uhlig, Auburn University, Auburn uhligfd@mail.auburn.edu

8:00 a.m.
Kostant's convexity theorem and compact classical groups
TinYau TAM*, Auburn University
(91515109)

8:45 a.m.
Special Classes of Positive and Completely Positive Maps
ChiKwong Li*, The College of William and Mary
(9151584)

9:15 a.m.
Consecutivecolumn and row properties of matrices and theLoewnerWhitney factorization
Thomas L. Markham*, University of South Carolina
(91515125)

10:00 a.m.
Row Appending Maps, $\Psi$Functions, and ImmanantInequalities for Hermitian Positive Semidefinite Matrices
Thomas H. Pate, Jr.*, Auburn University
(91515338)

10:30 a.m.
Interlacing Theorems and Structured Matrices
Peter Nylen*, Auburn University
Frank Uhlig, Auburn University
(9151548)

Saturday October 12, 1996, 8:00 a.m.10:50 a.m.
Special Session on Mathematical Aspects of Wave Propogation Phenomena, II
Room 301, Brock Hall
Organizers:
B. Belinskiy, University of Tennessee, Chattanooga bbelinsk@utcvm.utc.edu
Yongzhi Xu, University of Tennessee, Chattanooga

8:00 a.m.
Spectral asymptotics for Laplacian in domains with fractal boundaries.
Stanislav Molchanov, UNC at Charlotte
Boris R. Vainberg*, UNC at Charlotte
(91535225)

8:30 a.m.
Application of Zero Range Potentials for Fractures Modelling in Fluid Loaded Elastic Plates
Ivan V. Andronov*, Dept. of Mathematical \& Computational Physics, Institute in Physics, University of St.Petersburg
(9153571)

9:00 a.m.
An Exact, WellPosed, OneWay Reformulation of the Helmholtz Equation
Louis Fishman*, Ames Laboratory, Iowa State University
(9153551)

9:30 a.m.
Propagation of singularities phenomena for equations of Tricomi type
Kevin R. Payne*, University of Miami
(9153559)

10:00 a.m.
Exact and approximate radiation boundary conditions for the numericalsimulation of waves
Thomas Hagstrom*, The University of New Mexico
(91565124)

10:30 a.m.
Boundary Value Contact Acoustic Problems
Boris P. Belinskiy*, University of Tennessee at Chattanooga
(91535212)

Saturday October 12, 1996, 8:00 a.m.10:50 a.m.
Special Session on Reform in Undergraduate Mathematics Education, III
Room 201, Brock Hall
Organizers:
Betsy Darken, University of Tennessee, Chattanooga bdarken@utcum.utc.edu
Aniekan Asukwo Ebiefung, University of Tennessee, Chattanooga aebiefun@utcum.utc.edu
Stephen W. Kuhn, University of Tennessee, Chattanooga skuhn@utcvm.utc.edu
Robert Glenn Wynegar, University of Tennessee, Chattanooga

8:00 a.m.
Multivariable calculus from graphical, numerical, andsymbolic points of view
Paul Zorn*, St Olaf College
(91598187)

8:30 a.m.
RUMEC: An education research community in mathematics and a framework for its operation.
Ed Dubinsky*, Georgia Stte University
(91598208)

9:30 a.m.
The Development of Students' Graphical Understanding of the Derivative
Mark Asiala,
Jim Cottrill*,
Ed Dubinsky,
Keith E. Schwingendorf,
(91598255)

10:00 a.m.
Mental constructions used in understanding the chain rule.
Julie M. Clark*, Emory & Henry College
(91598281)

10:30 a.m.
The Development of Students' Understanding of Permutations and Symmetries
Mark E. Asiala, Georgia State University
Anne E. Brown, Indiana University South Bend
Jennifer B. Kleiman*, Georgia State University
David M. Mathews, Central Michigan Univerity
(91520287)

Saturday October 12, 1996, 8:00 a.m.10:50 a.m.
Special Session on Applied Probability, III
Room 103, University Center
Organizers:
Thomas Kozubowski, University of Tennessee, Chattanooga tkozubow@cecasun.utc.edu
Anna Katarzyna Panorska, University of Tennessee, Chattanooga panorska@utkux.utcc.utk.edu

8:00 a.m.
Tail Parameter Estimation for Linear Processes
Somnath Datta*, University of Georgia
(9156079)

8:30 a.m.
Approximating the distribution of extreme values for random fields via geometric methods.
William P. McCormick*,
(9156073)

9:00 a.m.
Tails of weighted sums of iid standard Weibull random variables
Pawel Hitczenko*, NC State University
(9156089)

9:30 a.m.
The QQestimator and Heavy Tails
Marie F. Kratz*,
Sidney I. Resnick,
(91562152)

10:00 a.m.
CED Model for Asset Returns and Fractal Market Hypothesis
Aleksander Weron*,
(91560153)

10:30 a.m.
An estimate of semistable measure of small balls in Banach spaces with applications
Balram S Rajput*, University of Tennessee, Knoxville
(9156088)

Saturday October 12, 1996, 8:00 a.m.10:50 a.m.
Special Session on Dynamical Systems and Continuum Theory, III
Room 117, University Center
Organizers:
John Clyde Mayer, University of Alabama, Birmingham mayer@Vorteb.math.uab.edu

8:00 a.m.
Building blocks for Julia sets
John Mayer*, University of Alabama at Birmingham
(91558249)

8:30 a.m.
Properties of subcontinua of Julia sets
Lex G. Oversteegen*,
(91554295)

9:00 a.m.
Recent results on the boundaries of Siegel disks
James T. Rogers,, Jr.*,
(91558139)

9:30 a.m.
Prime ends revisited:A geometric viewpoint.
Carsten Lunde Petersen*, IMFUFA, Roskilde University, Denmark
(91530165)

10:00 a.m.
Structure of the closure of the unstable manifold near homoclinic tangency
Marcy Barge*, Montana State University
Beverly Diamond, College of Charleston
(91558284)

10:30 a.m.
Rotation intervals for inverse limit spaces
Beverly Diamond*, College of Charleston
(91558264)

Saturday October 12, 1996, 8:30 a.m.10:50 a.m.
Special Session on Nonlinear Partial Differential Equations, III
Room 102A, University Center
Organizers:
James R. Ward, Jr., University of Alabama, Birmingham ward@math.uab.edu
Gilbert A. Weinstein, University of Alabama, Birmingham weinstei@math.uab.edu

8:30 a.m.
Convergence in the Fisher's equation with time almost periodic fitnesses.
W. Shen*, Auburn University
Yingtei Yi, Georgia Tech
(91535141)

9:00 a.m.
The space of conformal metrics with constant scalar curvature and constant boundary mean curvature
ZhengChao Han*, Rutgers University
YanYan Li, Rutgers University
(91535222)

9:30 a.m.
The Dirichlet problem for complex MongeAmpere equations in nonpseudoconvex domains
Bo Guan*,
(91535275)

10:00 a.m.
Phase Separation in a MultiComponent System
Lia Bronsard*, McMaster Univ.
Barbara Stoth, Universit\"at Bonn
(9153594)

10:30 a.m.
Singularly perturbed HodgkinHuxley systems.
William Fitzgibbon*, University of Houston
Mary Parrott, University of South Florida
Yuncheng You, University of South Florida
(9153507)

Saturday October 12, 1996, 8:30 a.m.10:50 a.m.
Special Session on Geometric Topology, III
Room 102B, University Center
Organizers:
Alexander Nikolaevich Dranishnikov, University of Florida dranish@math.ufl.edu
Jerzy Dydak, University of Tennessee, Knoxville dydak@math.utk.edu
James E. Keesling, University of Florida jek@math.ufl.edu

8:30 a.m.
Covering spaces of manifolds
David G. Wright*, Brigham Young University
(91557233)

9:00 a.m.
Enlarging ${ANR}$'s with ${SDAP} 2$manifolds.
Tadeusz Dobrowolski*, Pittsburg State University
(91557181)

9:30 a.m.
Countable Dimensionality and Dimension Raising Celllike Maps.
Jan J. Dijkstra, Department of Mathematics, The University of Alabama
Jerzy K. Mogilski*, Department of Mathematics, University of Texas at Brownsville
(91554289)

10:00 a.m.
Characterizations of infinitedimensional manifold triples
Tatsuhiko Yagasaki*, Department of Mathematics, Kyoto Institute of Technology
(9155744)

10:30 a.m.
The fundamental groups of 1dimensional spaces.
Eda Katsuya, Waseda Univesity
Kazuhiro Kawamura*, University of Tsukuba
(91555270)

Saturday October 12, 1996, 8:30 a.m.10:50 a.m.
Special Session on Conformal Analysis, II
Room 401, Brock Hall
Organizers:
David Howard Hamilton, University of Maryland, College Park dhh@math.umd.edu

8:30 a.m.
Lattice constants and the translation length of a M\"{o}biustransformation.
Frederick W. Gehring*, University of Michigan
(91530304)

9:00 a.m.
Polymodal box mappings.
Grzegorz Swiatek*, Penn State
(91530309)

9:30 a.m.
Hausdorff dimension of Julia set
Jacek Graczyk*, California Inst of Tech
(91530331)

10:00 a.m.
Spectral theory, Hausdorff dimension, and the topology of hyperbolic 3manifolds
Richard D. Canary*,
Yair N . Minsky,
Edward C. Taylor,
(91557288)

10:30 a.m.
Complex Projective Structures on Kleinian Groups
Albert Marden*, University of Minnesota
(91530334)

Saturday October 12, 1996, 8:30 a.m.10:50 a.m.
Special Session on Settheoretic Topology, II
Room 405, Brock Hall
Organizers:
Peter J. Nyikos, University of South Carolina nyikos@math.sc.edu

8:30 a.m.
Forcing new results on compact spaces.
Piotr Koszmider*,
(91504302)

9:00 a.m.
On the existence of universals
Mirna D\v zamonja*, University of WisconsinMadison
Saharon Shelah, Hebrew University of Jerusalem and Rutgers University
(91504325)

9:30 a.m.
Covering a function on the plane by two continuous functions on an uncountable square  the consistency
Mariusz Rabus*,
Saharon Shelah,
(91503201)

10:00 a.m.
Countable Fr\'echet topological groups under the Continuum Hypothesis
Alexander Y. Shibakov*,
(91554177)

10:30 a.m.
A nonmetrizable space whose countable power is $\sigma$metrizable
Gary Gruenhage*, Auburn University
(91554254)

Saturday October 12, 1996, 8:30 a.m.10:50 a.m.
Special Session on Inverse Spectral Problems For Differential Operators, II
Room 402, Brock Hall
Organizers:
Peter Anton Perry, University of Kentucky perry@ms.uky.edu

8:30 a.m.
Inverse problem for a semicrystal (twodimensional case)
Yulia Karpeshina*, Dept. of Mathematics, UAB
(91535220)

9:00 a.m.
Continuous Families of Riemannian manifolds isospectral on functions but not isospectral on 1forms.
Ruth Gornet*, Texas Tech University
(91553145)

9:30 a.m.
Inverse nodal problems and discretization
Julio Moro*, Universidad Carlos III,
(91515252)

10:00 a.m.
TwoDimensional Inverse Spectral Problems
Vassilis George Papanicolaou*, Wichita State University, Department of Mathematics and Statistics
(9153514)

10:30 a.m.
Spectral Operators Generated by Equations of Damped String.Transformation Operators Method.
Marianna A. Shubov*, Texas Tech University
(91549203)

Saturday October 12, 1996, 8:45 a.m.10:40 a.m.
Contributed Papers, I
Room 406, Brock Hall

8:45 a.m.
Conformal invariants of smooth domains and extremal quasiconformalmappings of ellipses
Shanshuang Yamg*, Emory University, Atlanta GA 30322
(9153011)

9:00 a.m.
Quasiselfsimilar Jordan Curves
David A. Herron*, University of Cincinati
(9153028)

9:15 a.m.
Reliability and Semigroups
Ginger H. Rowell, Lander University
Kyle T . Siegrist*, Univ Alabama Huntsville
(91560299)

9:30 a.m.
A D/D/1 queueing process with varying service times and an application to a D/G/1 process
John Coffey*, Purdue University Calumet
(9156046)

9:45 a.m.
Perturbing a rectangular membrane with a restorative force: Effects on eigenvalues and eigenfunctions.
Joyce R. McLaughlin, Rensselaer Polytechnic Institute
Arturo Portnoy*, Rensselaer Polytechnic Institute
(9153535)

10:00 a.m.
Linear Bilevel Programs with Multiple Inner Decision Makers
YiHsin Liu,, Ph.D.*,
(91590171)

10:15 a.m.
The european option with hereditary price structures.
MouHsiung Chang, Univesity of Alabama
Roger Youree*,
(91590175)

10:30 a.m.
CRITERION OF PGROUPS.
Boris S. Khots*,
(91522134)

Saturday October 12, 1996, 11:05 a.m.11:55 a.m.
Invited Address
Strings, branes and the structure of spacetime.
Room 110, University Center
Orlando Alvarez*, University of Miami
(9150004)

Saturday October 12, 1996, 1:25 p.m.2:15 p.m.
Invited Address
The geometry of Kleinian limit sets.
Room 110, University Center
Christopher J. Bishop*, State University of New York, Stony Brook
(9150001)

Saturday October 12, 1996, 2:30 p.m.5:20 p.m.
Special Session on Galois Theory, IV
Room 212, University Center
Organizers:
Kevin R. Coombes, University of Maryland, College Park krc@math.umd.edu
Helmut Voelklein, University of Florida helmut@math.ufl.edu

2:30 p.m.
Generalizing ConwayParker for effective construction of Braid Orbits
Michael D. Fried*, UC,Irvine
(91520335)

3:00 p.m.
Fields of definition of covers over the $p$adics
Pierre D\`ebes*, Universit\'e Lille 1
(91512253)

3:30 p.m.
Representability of Hurwitz functors over $\Bbb{Z}$
Stefan Wewers*, Institut for Experimental Mathematics, Ellernstr. 29, 45326 Essen, Germany
(91514191)

4:00 p.m.
Coverings of the complement of a plane curve and connections with Hurwitz spaces
Michael Dettweiler*, Universit\"at Erlangen
(91520142)

4:30 p.m.
Interpolation of galois branched covers
Kevin R. Coombes*, Department of Mathematics, University of Maryland at College Park
(91514296)

5:00 p.m.
Subvarieties of Hurwitz spaces
Helmut Voelklein*, University of Florida
(9151296)

Saturday October 12, 1996, 2:30 p.m.5:20 p.m.
Special Session on Nonlinear Partial Differential Equations, IV
Room 102A, University Center
Organizers:
James R. Ward, Jr., University of Alabama, Birmingham ward@math.uab.edu
Gilbert A. Weinstein, University of Alabama, Birmingham weinstei@math.uab.edu

2:30 p.m.
Heteroclinic solutions in $R^2$ for elliptic systems with multiple well potentials
Stanley Alama*, McMaster Univ.
Lia Bronsard, McMaster Univ.
Changfeng Gui, Univ. of British Columbia
(9153592)

3:00 p.m.
Harmonic maps of the hyperbolic space and development ofsingularities for wave maps and YangMills fields.
Thierry Cazenave,
Jalal Shatah,
A. Shadi TahvildarZadeh*, Princeton University
(91558131)

3:30 p.m.
A nonlinear Dirichlet problem at a critiical exponent.
Alexandra Kurepa*, North Carolina A & T St U
(91535176)

4:00 p.m.
Existence of positive solutions for semilinear elliptic systems without variational structure
Henghui Zou*,
(91535272)

4:30 p.m.
The effects of the external environment on competition in a habitat patch.
Robert Stephen Cantrell, University of Miami
Chris Cosner*, Universityof Miami
William Fagan, University of Washington
(91592319)

5:00 p.m.
Some Recent Results for Balanced Reaction Diffusion Systems
William E. Fitzgibbon, University of Houston
Selwyn L. Hollis, Armstrong State College
Jeffrey J. Morgan*, Texas A&M University
(91535251)

Saturday October 12, 1996, 2:30 p.m.5:30 p.m.
Special Session on Matrix Theory, IV
Room 102C, University Center
Organizers:
ShuAn Hu, University of Tennessee, Chattanooga
Zhongshan Li, Georgia State University matzli@gsusgi2.gsu.edu
Ronald Lee Smith, University of Tennessee, Chattanooga rsmith@utcvm.utc.edu
Frank Uhlig, Auburn University, Auburn uhligfd@mail.auburn.edu

2:30 p.m.
An Introduction to Complex Sign Pattern Matrices
Carolyn A. Eschenbach*, Georgia State University
(91515223)

3:20 p.m.
Determining the Sign Patterns of Matrices Whose Inverses Have a Prescribed Pattern
Frank J. Hall*, Georgis State University
(91515149)

3:50 p.m.
Quadrangular graphs and combinatorially orthogonal matrices.
Peter Gibson*, University of Alabama
GuoHui Zhang, University of Alabama
(91515126)

4:20 p.m.
Sign Patterns for Matrix Semipositivity
Charles R. Johnson,
William D. McCuaig,
David P. Stanford*,
(9151582)

4:50 p.m.
Commutativity and Structure
James R. Weaver*, Univ. of West Florida
(9151553)

Saturday October 12, 1996, 2:30 p.m.4:50 p.m.
Special Session on Geometric Topology, IV
Room 102B, University Center
Organizers:
Alexander Nikolaevich Dranishnikov, University of Florida dranish@math.ufl.edu
Jerzy Dydak, University of Tennessee, Knoxville dydak@math.utk.edu
James E. Keesling, University of Florida jek@math.ufl.edu

2:30 p.m.
Local embeddings of homology manifolds.
Washington Mio*, Florida State University
John L. Bryant, Florida State University
(91557182)

3:00 p.m.
The gap between Steenrod and coherent singular homology theories
Akira Koyama*,
(91555321)

3:30 p.m.
Ends of Manifolds
Craig R. Guilbault*, U of WisconsinMilwaukee
(91557169)

4:00 p.m.
The $l_p$cohomology and the conformal dimension of hyperbolic cones.
Gabor Elek*, Purdue University
(9155832)

4:30 p.m.
Localizations in dimension theory
Katsuya Yokoi*, Institute of Mathematics, University of Tsukuba
(91555159)

Saturday October 12, 1996, 2:30 p.m.5:50 p.m.
Special Session on Mathematical Aspects of Wave Propogation Phenomena, III
Room 301, Brock Hall
Organizers:
B. Belinskiy, University of Tennessee, Chattanooga bbelinsk@utcvm.utc.edu
Yongzhi Xu, University of Tennessee, Chattanooga

2:30 p.m.
A comparison of stability results for wave equations and elastic systems.
Mary Ann Horn*, Vanderbilt University
(91593110)

3:00 p.m.
Wellposedness and Stabilization of PDE's Arising in Nonlinear Elasticity
Irena M. Lasiecka*, University of Virginia
(91535267)

3:30 p.m.
Optimal Control Solution of an Inverse Wave Problem
Suzanne M. Lenhart*, University of Tennessee
(9153554)

4:00 p.m.
Spectral Properties of 3dim Spherically Symmetric Damped Wave Equation and Applications to Control Theory.
Marianna A. Shubov*, Texas Tech University
(91549202)

4:30 p.m.
Wave Interactions in TwoDimensional Conservation Laws
Sun\v{c}ica \v{C}ani\'{c}, Iowa State University
Barbara Lee Keyfitz*, University of Houston
(91535146)

5:00 p.m.
Wave equations with damping boundary conditions.
Ronald Grimmer, Southern Illinois University at Carbondale
Min MH. He*, Kent State UniversityTrumbull Campus
(91535192)

5:30 p.m.
Global Instability of Equilibria
David L. Russell*,
(91535326)

Saturday October 12, 1996, 2:30 p.m.5:20 p.m.
Special Session on Conformal Analysis, III
Room 401, Brock Hall
Organizers:
David Howard Hamilton, University of Maryland, College Park dhh@math.umd.edu

2:30 p.m.
{Periodic quasiregular mappings of finite order}
David Drasin*, Purdue
(91530303)

3:00 p.m.
Semiconjugacies between some geometrically finite and geometrically infinite Kleinian group actions on the Riemann sphere
Erica G Klarreich*, SUNY at Stony Brook
(91551218)

3:30 p.m.
Uniformizing ``dessins'' via circle packing.
Ken Stephenson*, niversity of Tennessee
(91530314)

4:00 p.m.
Dessins, circle packings, and discrete Belyi maps
Phil Bowers*, University of South Florida
(91530301)

4:30 p.m.
On Removability of Sets for Quasiconformal Mappings
JangMei Wu*, University of Illinois, Mathematics Department
(91530129)

5:00 p.m.
Spaces with BLD coordinates.
Juha Heinonen*, University of Michigan
(91530311)

Saturday October 12, 1996, 2:30 p.m.5:50 p.m.
Special Session on Applied Probability, IV
Room 103, University Center
Organizers:
Thomas Kozubowski, University of Tennessee, Chattanooga tkozubow@cecasun.utc.edu
Anna Katarzyna Panorska, University of Tennessee, Chattanooga panorska@utkux.utcc.utk.edu

2:30 p.m.
Generalized hitting and quitting kernels, with applications to classical potential theory
Olav H. Kallenberg*,
(91560156)

3:00 p.m.
Transport coefficients and limit theorems for interacting particles systems.
Leonid Bunimovich*, Georgia Institute of Technology
(91560138)

3:30 p.m.
On Positive Harris Recurrence for Multiclass Queueing Networks: A Unified Approach via Fluid Limit Models
Jim Dai*,
(91560130)

4:00 p.m.
Construction of a stochastic motion in Hilbert space based on kinematics.
Leszek P. Gawarecki*, GMI Engineering and Management Institute
(9156018)

4:30 p.m.
A nonlinear differential equation associated with a class of interacting diffusion systems
Jie Xiong*, University of Tennessee, Knoxville
(9156077)

5:00 p.m.
Diffusion in flows of hydrodynamic type
Wojbor A. Woyczynski*,
(91560132)

5:30 p.m.
A class of nonstationary point processes and their application to queueing systems.
Peter C. Kiessler*, SIAM
(91560294)

Saturday October 12, 1996, 2:30 p.m.5:20 p.m.
Special Session on Dynamical Systems and Continuum Theory, IV
Room 117, University Center
Organizers:
John Clyde Mayer, University of Alabama, Birmingham mayer@Vorteb.math.uab.edu

2:30 p.m.
A Weakly Chainable TreeLike Continuum without the Fixed Point Property
Piotr Minc*, Auburn University
(91554189)

3:00 p.m.
Sandra Shields, College of Charleston, Charleston SC 29424 "Branched surfaces and the universal covers of foliations." Preliminary report
Sandra L. Shields*,
(91558215)

3:30 p.m.
Images of the Hairy Arc
Lex G. Oversteegen,
Mark P. Widener*,
(91554207)

4:00 p.m.
Nonexistence of a Lift of a Triod Rotation to a Map on an Interval
Sean I. MacDonald*, University of Alabama at Birmingham
(91554280)

4:30 p.m.
Monotone Open Homogeneity of Some NonHomogeneous Plane Continua
Carl R. Seaquist*, TTU
(91558263)

5:00 p.m.
Maps Onto Hereditarily Indecomposable CircleLike Continua
Wayne Lewis*, Texas Tech University, Lubbock, Texas 794091042
(91554283)

Saturday October 12, 1996, 2:30 p.m.3:50 p.m.
Special Session on Settheoretic Topology, III
Room 405, Brock Hall
Organizers:
Peter J. Nyikos, University of South Carolina nyikos@math.sc.edu

2:30 p.m.
The topology of elementary submodels.
Franklin Tall*, University of Toronto
(91554343)

3:00 p.m.
Absolutely countably compact spaces and property~a)
Jerry E. Vaughan*, Universityof North Carolina at Greensboro
(91554327)

3:30 p.m.
Finite approximation of compact Hausdorff spaces.
Ralph D. Kopperman*, City College, CUNY
Richard G. Wilson, Universidad Autonoma Metropolitana, Iztapalapa
(91554340)

Saturday October 12, 1996, 2:30 p.m.4:20 p.m.
Special Session on Inverse Spectral Problems For Differential Operators, III
Room 402, Brock Hall
Organizers:
Peter Anton Perry, University of Kentucky perry@ms.uky.edu

2:30 p.m.
Quantum limits for hyperbolic surfaces
Scott Andrew Wolpert*, University of Maryland
(91558157)

3:00 p.m.
Quasirigidity of hyperbolic $3$manifolds and scattering theory
David Borthwick, University of Michigan
Alan McRae, University of Indiana
Edward Taylor*, University of Michigan
(91551160)

3:30 p.m.
Traceformula methods in the spectral geometry of graphs
Gregory T. Quenell*, Oberlin College
(91505164)

4:00 p.m.
An inverse spectral problem for a nonnormal first order differential operator.
Steven J. Cox*, Rice University
Roger Knobel, University of Texas, Pan American
(91546188)
Inquiries: meet@ams.org