Department of Mathematical Sciences: events archive 19972008
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 Department of Mathematical Sciences: events archive 19972008
Department of Mathematical Sciences Archive of Events
Fall 1997 to Fall 2008
Fall 2008
Colloquium
 Suresh M. Hegde, National Institute of Technology Karnataka, India,
Insights into Graph Labeling Problems and Applications.
Discrete Math Seminar
 Matt Walsh,
The paranoid watchman: a search problem in graphs.  Chip Vandell,
Connected decycling.  Doug Weakley,
Automorphism groups, determining sets, and distance determining sets for rook's graphs and queen's graphs.  Doug Weakley,
Fixing sets and resolving sets for rook's graphs and toroidal queen's graphs.
Analysis Seminar
 Yifei Pan,
Unique continuation for ODEs.  Yifei Pan,
Schwarz Lemma for holomorphic maps from a ball to a ball.
Pi Math Club
 Adam Coffman,
Packing ellipsoids.  David Erbach, IPFW Computer Science,
Things, Symmetry, and Groups.
Spring 2008
Colloquium
 Natalia Zorii, Institute of Mathematics, National Academy of Sciences of Ukraine,
Can the 2capacity of a space condenser be written in terms of Newton energies? A solution to a problem of F. W. Gehring.  Michael Bolt, Calvin College,
Paint by number: a visualization of complex functions.  One challenge to understanding complex analysis is the difficulty one can have in forming an intuition for analytic functions. Frank Farris found a new way to visualize complex functions. The idea is to associate numbers with colors and to paint a domain with the values of the associated function. In this talk we describe different implementations of domain coloring and contrast it with the usual transformational approach. We also use domain coloring to illustrate some of the nice theorems in complex analysis.
Sigma Xi Distinguished Lecture:
 Edward B. Saff, Vanderbilt University,
The PoppySeed Bagel Theorem: An easily digestible result on minimum energy points.
Sigma Xi brownbag lecture series:
 Adam Coffman,
Geometry and Soap Bubbles.
Workshop
 User Group for Graphing Calculators: first meeting April 15
Alumni Event
 Matt Walsh,
According to their respective numbers: the politics and mathematics of apportionment. Alumni Dinner, March 1, 2008.
Analysis Seminar
 Adam Coffman,
CR singularities of real 4manifolds in C^{3}, parts I, II.
Pi Math Club
 Prof. Don Hooley, Bluffton University,
Searching for Solutions in a TransElliptic Haystack.  Student Talks: L. Hicks, R. Lucas, N. Pham, D. Swartz.
 Prof. Michael Bolt, Calvin College,
The mathematics of Escher's "Print Gallery".  One of Escher's more compelling works is "Print Gallery" in which a young man stands in an art gallery, viewing a print that contains the very gallery in which he is standing. At the center is a curious hole, blank except for the artist's signature. In 2000, Hendrik Lenstra discovered the mathematical structure behind "Print Gallery" and showed there is a unique solution for what belongs in the hole. In this talk, we'll see how a team of scientists filled in the hole and generated a number of images and animations that illustrate other versions of the picture. Along the way, we'll introduce all the complex analysis that is needed to generate images like Escher's. The mathematics should be understandable to anyone with a year of calculus.
Pi Mu Epsilon
 Matt Walsh,
According to their respective numbers: the politics and mathematics of apportionment.
Fall 2007
COAS Distinguished Lecturer
 Daniel Rockmore, Dartmouth College,
Stalking the Riemann Hypothesis. Dr. Rockmore also presented a video for the PI Math Club, The Math Life. Photos from the Event
Colloquium
 Shelly Harkness, University of Cincinnati,
What if "Believing" Rather Than "Doubting" Was the "Bedhogger" in Our Mathematics Teaching Practice?  David Benko, Western Kentucky University,
Approximation by Homogeneous Polynomials.
Pi Math Club
 Adam Coffman,
A Survey of Projective Geometry.
Analysis Seminar
 Peter Dragnev,
The support of the equilibrium measure for external fields with concave signed equilibria. I, II.  Erwin MinaDiaz,
The location of the zeros of Carleman orthogonal polynomials.
Spring 2007
Colloquium
 David Charles McCarty, Indiana University Bloomington Philosophy and Computer Science,
Incompleteness for Intuitionistic Logic.  David Pike, Memorial University of Newfoundland,
Pancyclic PBD blockintersection graphs.  Johann S. Brauchart, Vanderbilt University,
Minimum energy points on sets of revolution in R^{3}.
Analysis Seminar
 Yifei Pan,
Harnack's inequality: an introduction.  Erwin MinaDiaz,
On the behavior of the coefficients of a power series with finitely many singularities on its circle of convergence.  Adam Coffman,
Proper holomorphic maps for domains with symmetry in C^{2}, II.  Peter Dragnev,
Spherical potentials with external fields.  David Redett,
Invariant subspaces in Bergman space over the bidisc.
Pi Math Club
 David Pike, Memorial University of Newfoundland,
Web Communities and Connectivity.  Bruce Berndt, University of Illinois UrbanaChampaign,
Ramanujan's Lost Notebook.  Student talks by: Hap Fiandt and Sio Kong.
Fall 2006
Conference
 MIGHTY XLIII
Midwest Graph Theory conference, November 34
Special Event
 Peter Hamburger, Western Kentucky University,
Extremal Mathematical Structures and their Application, Lecture and reception honoring Peter Hamburger, Emeritus Professor of Mathematics, 2006 recipient of the IPFW Outstanding Research Award. September 22.
Colloquium
 Shelly Harkness, University of Cincinnati,
A Personal Journey with Mathematics and Cultural Connections.  Jennifer Beineke, Western New England College,
Great Moments of the Riemann Zeta Function.
Analysis Seminar
 Adam Coffman,
Introduction to pseudoholomorphic curves.  Abey Lopez, Vanderbilt University,
The RakhmanovDenisov theorem for multiorthogonal polynomials of Nikishin systems of measures.  Yifei Pan,
SchwarzPick estimates for bounded analytic functions.
Pi Math Club
 Allen Schwenk, Western Michigan University,
A Plethora of Perplexingly Persistent Simpson Paradoxes.  James Hersberger,
Everybody knows...  Terry A. McKee, Wright State University,
The Fundamental Theorem of Superficial Trivia.
Summer 2006
Workshop

Enhance Elementary and Intermediate Algebra with the TI84 Plus Silver Edition, August 1112, 2006.
Colloquium
 Erwin Mina, Vanderbilt University,
Polynomials Orthogonal over Regions Bounded by Analytic Jordan Curves.  James Tung, Michigan State University,
Taylor Coefficients of Functions in Fock Spaces.
Analysis Seminar
 Yifei Pan,
Positive harmonic functions.
Spring 2006
Workshop
 Graphing Calculator Workshop for PreService Teachers and Teachers of PreService Teachers, March 31  April 1, 2006.
COAS Distinguished Lecturer
 Peter Hamburger, My Combinatorial Cup of Tea
Colloquium
 Charles Ford, St. Louis University,
Moscow mathematics and religious philosophy.  A VHS videotape of this talk is available for loan.
 Michelle Chamberlin, University of Northern Colorado,
Assessing Teachers' Mathematical Knowledge in Professional Development: Maintaining a Supportive Environment.  Betsy Berry, IPFW,
An Investigation of a Team of Teachers: Shared Interpretations of the Teacher's Role in Supporting and Enhancing Group Functioning.  Stan Wagon, Macalester College,
How to FourColor a Map in the Plane. (joint with PI Math Club)  Jane Ries Cushman, The University of Texas at Austin,
Case Studies of ASK MEAlgebra.  Jun Sheng, University of Minnesota,
Comparing Two Hazard Rate Functions under Consideration of Crossing.  Julia Soulakova, University of Pittsburgh,
Dose Finding Strategies for Single Drug and Combination Drug Trials.  Daniel Frobish, Northern Illinois University,
Survival Analysis and Recurrent Events.  Alexandr Kostochka, University of Illinois UrbanaChampaign, and Institute of Mathematics, Novosibirsk,
On extremal problems about packing of graphs.  Mario Goetz, Continental Temic Research Center, and Katholische Universitaet Eichstaett, Germany,
The Problem of Inverse Balayage: Existence and Construction.  Yihao Deng, Old Dominion University,
Ranges of Measures of Associations for Familial Binary Variables.
Pi Math Club
 Adam Coffman,
Parabolas in space.  Andrew Rich, Manchester College,
Leftist Numbers.  Mario Goetz, Continental Temic Research Center and Katholische Universitaet Eichstaett, Germany,
First to the Casino, then Ready to Crash: An Application of the Monte Carlo Method to the Simulation of Airbag Algorithms.  Student talks by Susan Hatfield, David Shaheen, and Tiffany Drayer.
Pi Mu Epsilon
 Adam Coffman,
Soap bubbles and geometry.
Alumni event
 Marc Lipman,
Doomsday.
Analysis Seminar
 Adam Coffman,
Unfolding CR singularities II: The fourdimensional case.  David Redett,
Cyclic vectors for nilpotent and normal operators.  David Redett,
Shift invariant operators.
Fall 2005
Analysis Seminar
 Peter Dragnev,
Riesz spherical potentials with external fields and minimal energy points separation, I, II.  Adam Coffman,
Unfolding CR singularities, I.  Adam Coffman,
Proper holomorphic maps for domains with symmetry in C^{2}.
Pi Math Club
 Marjorie Keever, IPFW Alumnus,
Reflections on a teaching career.  Ken Reiskytl, Lincoln Financial, and IPFW Alumnus Moriah Simmons,
Summer internships and entry level actuarial positions at Lincoln Financial Group, and also Diana Burns, IPFW Director of Cooperative Education, Services offered by the IPFW Cooperative Education Office.  Bill Frederick,
"To be or not to be...": Decisions, Risk, and Status.  Lowell Beineke, and Jennifer Beineke, Western New England College,
Through the Lurking Graphs.
Summer 2005
Workshop
 Enhance Elementary and Intermediate Algebra with the TI84 Plus Silver Edition, August 1516, 2005
 Making Waves 2005, June 13th15th, 2005.
Colloquium
 David Leach, University of West Georgia,
Adjacency Matrices, NonAdjacency Matrices and (2,r)Regular Graphs.  Atif Abueida, University of Dayton,
Cycle Extension and Hamilton Cycles.
Spring 2005
The Department hosted the
The meeting also included the Indiana College Mathematics Competition.
Colloquium
 Oleg V. Borodin, Sobolev Institute of Mathematics, Novosibirsk, Russia, and University of Illinois UrbanaChampaign,
Planar Graphs Without Cycles of Length from 4 to 7 Are 3Colorable.  Weiting Cao, University of Illinois UrbanaChampaign,
Visibility of Complete Bipartite Graphs.  David Benko, Western Kentucky University,
A New Approach to Hilbert's Third Problem.  Rick Sutter, IPFW Anthropology,
Statistical Analyses of Biological Distances.  David Redett, Texas A&M,
Residual Classes, Invariant Subspaces and Operator Range.  Dan Jackson, Notre Dame,
Selfmaps of the plane with invariant curves.  Virginia L. Keen, Miami University, OH,
Mathematical Content Knowledge for Teaching: An Assessment Project .  Christopher Hlas, University of Iowa,
Students' Perception of Mathematics Tasks.  Peter Kloosterman, School of Education, Indiana University Bloomington,
Can U.S. Students Do Math? What National and International Data Tell Us. Cosponsored by Educators for Excellence.
Pi Math Club
 Student talks by Sio F. Kong and Andy Hockensmith.
 How I Spent my Summer, presentations by student B. Schnitker and alumnus M. Simmons.
 Allen Schwenk, Western Michigan University,
The Price is Right bonus wheel: what is your best strategy?  Peter Kloosterman, Indiana University Bloomington,
How much mathematics are students learning?
Graph Theory Seminar
 Matt Walsh,
Connected domination in grids, preview of Boca Raton conference talk  Peter Hamburger,
Some combinatorial analysis tools for graph theory.
Pi Mu Epsilon
 Marc Lipman,
Doomsday.
Alumni event
 Adam Coffman,
Soap bubbles and geometry.
Fall 2004
Colloquium
 Josh Naranjo, Department of Statistics, Western Michigan University,
On Regression Toward the Average.
Analysis Seminar
 Peter Dragnev,
Spherical potentials with external fields and separation of Riesz energy points, I, II.  Adam Coffman,
Normal forms for msubmanifolds in C^{n}.
Graph Theory Seminar
 Matt Walsh,
Some notes on fractional domination.  Chip Vandell,
Gridlock.  Peter Hamburger (joint work with Weiting Cao, University of Illinois UrbanaChampaign),
Combinatorial number theory tools in graph theory.  Peter Hamburger (joint work with Weiting Cao, University of Illinois UrbanaChampaign),
The solution of Fink and Straight's conjecture on pathperfect graphs, I, II.  Chip Vandell,
Some forcing issues.  Matt Walsh,
Irreducible Hamilton Decompositions, Thursday, Nov. 18.
Announcement: The
Pi Math Club
 Adam Coffman,
Ellipsoid packing.  Matt Walsh,
Numbers, nimbers, and games.
Summer 2004
Workshop
 PhysicsBased Calculus, June 7,8,9.
Colloquium
 Robert Lovell, IPFW,
Mathematics comes to the carnival.  Beatriz D'Ambrosio, Indiana University  Purdue University Indianapolis School of Education,
The Role of Mathematical Conversations in Constructivist Teaching.
Scholar in Residence
 Beatriz D'Ambrosio, Indiana University  Purdue University Indianapolis
Spring 2004
Colloquium
 Steven B. Damelin, Georgia Southern University,
A Random Walk through Sphere Packing, Energy, Numerical Integration, and some of their Fascinating Applications.  Chris Lomont, Cybernet Systems Corporation,
Quantum Computing  a New Discipline.
Pi Math Club
 Adam Coffman,
Soap bubbles and geometry.  Student talks by Yun Tan and Madhur Mathur.
 Chris Lomont, Cybernet Systems Corporation,
Mathematics and video games.  Bill Frederick,
Did you ever have to make up your mind?  Matt Walsh,
Voting: procedures, properties, and paradoxes.
Pi Mu Epsilon
 Y. Zubovic,
Unexpected Expectations.
Alumni event
 Chris Lomont, Cybernet Systems Corporation. Dinner and program.
Analysis Seminar
 Adam Coffman,
3manifolds in C^{4}, I: Geometry of rank 1 matrices.  Adam Coffman,
3manifolds in C^{4}, II: Local geometry.  Adam Coffman,
3manifolds in C^{4}, III: Formal normal form.  Adam Coffman,
3manifolds in C^{4}, IV: Examples.
Fall 2003
IPFW Mathematical Sciences Exposition: October 24.
Analysis Seminar
 Peter Dragnev,
Discrete Zolotarev problem with applications to ADI method.
Pi Math Club
 Raymond Pippert,
The smallest uninteresting number, the largest useful number, and more.  Marc Lipman,
What mathematicians don't know and how they know that.  Student talks by Tom Beachy and Charity Hein, IPFW undergraduates.
Summer 2003
Workshop
 PhysicsBased Calculus, June 16, 17, 18.
Scholar in Residence
 Arno B. J. Kuijlaars, Katholieke Universiteit Leuven
Colloquium
 Arno B. J. Kuijlaars, Katholieke Universiteit Leuven,
Random Matrices and Orthogonal Polynomials.
Art Exhibit
 Mathematics in Color, June 130, featuring the work of Edit and Peter Hamburger.
Spring 2003
Pi Mu Epsilon
 Robert S. Smith, Miami University,
Boolean algebra and switching circuits.  Local Chapter of the
Pi Mu Epsilon National Mathematics Honor Society installed at IPFW.
Alumni event
 Todd Thomas, Western Michigan University,
Nine Men's Morris.
Colloquium
 Jason C. Parcon, Western Michigan University,
Spearman Rank Regression.  Pete Johnson, Auburn University,
From Systems of Distinct Representatives to Graph Colorings with Atomless Measurable Sets.  Daniela Genova, University of South Florida,
Formal Languages and ForbiddingEnforcing Systems.
Graph Theory Seminar
 Betsie Jonck, Rand Afrikaans University,
The induced path number of the complements of some graphs.
Analysis Seminar
 Peter Dragnev,
Polynomial approximation of the checkmark function.  Adam Coffman,
Rational functions, parametric curves, and ruled surfaces I, II.
Pi Math Club
 Carl Cowen, Purdue University West Lafayette,
Math and biology.  Yvonne Zubovic,
A taste of nonparametrics.  Geralyn Miller, IPFW School of Public and Environmental Affairs,
Elections and voting equipment.
Fall 2002
Colloquium
 Jim Hall, Parkland College,
Incorporating Multiple Perspectives (The Rule of Four) into the Teaching of Beginning and Intermediate Algebra.  Attila Sali, Alfréd Rényi Institute of Mathematics, Hungarian Academy of Sciences,
Small Forbidden Configurations.
Pi Math Club
 Marc Lipman,
Paradox: A few tales to wile away a mathematical hour.  Allen Schwenk, Western Michigan University,
The anxious gambler and the remarkable strategy of the bold play.  Greg Frederickson, Purdue University Department of Computer Science,
Geometric dissections now swing and twist.  Adam Coffman,
Square, eccentric, or degenerate? How to classify a conic section.
Summer 2002
Workshop
 PhysicsBased Calculus, June 18 and 19.
Spring 2002
Colloquium
 Michael J. Pelsmajer, University of Illinois UrbanaChampaign,
Equitably kChoosable Graphs.  David Gunderson, University of Calgary,
A Ramseytype Theorem for Both Graphs and Arithmetic.  Gülhan Alpargu, McGill University,
Is the Classical tTest of the Slope Really Invalid in Linear Regression Models with Autocorrelated Errors?  Qin Shao, University of Georgia,
Parsimonious Periodic Time Series Modeling.  Inyoung Kim, Texas A&M University,
Semiparametric and Nonparametric Modeling for Effect Modification in Matched Studies.  Matthew Walsh, Auburn University,
The Hub Number of a Graph.
Analysis Seminar
 Adam Coffman,
Harmonic extension II, III.
Pi Math Club
 Yifei Pan,
Mathematical computing and Java technology...a close look at Newton's method.  Sue Mau,
New licensing procedures for K12 teachers.
Fall 2001
Colloquium
 Plamen Simeonov, University of Houston Downtown,
Characterization of Functions using Divided Differences.
Graph theory / Combinatorics Seminar
 W. D. Weakley,
Minimum dominating sets of hypercubes whose dimension is a power of two.
Analysis Seminar
 Yifei Pan,
Harmonic extension I.
Pi Math Club
 Lowell Beineke, IPFW, and Jennifer Beineke, Western New England College,
Splendor in the Graphs.  Robin Wilson, The Open University, England,
Stamping through mathematics.
Summer 2001
Colloquium
 Christine Mynhardt, University of South Africa,
Domination and Independence for Toroidal Queens Graphs.
Spring 2001
Workshop
 PhysicsBased Calculus, May 46.
Colloquium
 Alexandr Kostochka, University of Illinois Urbana Champaign,
Equitable colorings of graphs.  Hyungjun Cho, University of Wisconsin Madison,
Treestructured Regression Modeling for Censored Survival Data.  Jeonggun Park, University of Georgia,
Optimal Estimation Equations for Mixed Effects Models with Dependent Observations.  Hakbae Lee, American University,
Dimension Reduction in Binary Response Regression.
Pi Math Club
 Dan Coroian,
Click this! A survey of mathematical software.  Adam Coffman,
Projective geometry and computer graphics.  Peter Hamburger,
Coded secrets behind doodles and doilies.
Analysis Seminar
 Georgy Petruska, IPFW Dept. of Computer Science,
On the errorsum function of diophantine approximation and applications to qseries.  Adam Coffman,
Coefficients of rational functions.
Fall 2000
Colloquium
 Clifford Weil, Michigan State University,
The Gradient Problem.  László Lempert, Purdue University West Lafayette,
Complex Analysis in Infinite Dimensions.  Paul Humke, St. Olaf College,
Taking a Dynamic Look at the Notion of Attractor.  Sue Mau, Indiana University Purdue University Indianapolis,
Dilemmas in Seeking to Understand Preservice Teachers' Ways of Knowing Mathematics.
Discrete Mathematics Seminar
 Attila Sali, IPFW Dept. of Computer Science,
Shattering news.
Analysis Seminar
 Adam Coffman,
CR singular immersions of complex projective spaces.  Peter Dragnev,
Minimal energy problems for points on the sphere, I, II, III.
Summer 2000
Workshop
 Precalculus and Calculus with the TI83 Plus, August 711.
Scholar in Residence
 Izak Broere, Rand Afrikaans University
Colloquium
 Izak Broere, Rand Afrikaans University,
Invitation to Hereditarnia.  Peter Mihók, Slovak Academy of Scienes,
Prime Factorization of Graph Properties.
Spring 2000
Workshop
 Enhancing the Teaching and Learning of College Algebra Using Graphing Calculators with the TI83 Plus, January 45.
Colloquium
 Ivan Ivanov, Syracuse University,
Linear Discrete Operators on the Disk Algebra.
Analysis Seminar
 Yifei Pan,
L^{1} approximation.  Adam Coffman,
Surfaces and the Schwarz lemma, I, II.  Peter Dragnev,
The support of the equilibrium measure for a class of external fields on a finite interval, II.
Pi Math Club
 Dan Maki, Indiana University Bloomington,
Using mathematics to help computers pretend they can see, hear, and talk.  Peter Dragnev,
Chemistry, physics, and mathematics behind the soccer ball design  or how to distribute dictators on a planet.  Suzanne Dubnicka,
Reasons why you should NOT use the sample mean.
Fall 1999
Conference
 MIGHTY XXXII
Midwest Graph Theory conference.
Colloquium
 Dror Varolin, University of Michigan,
Symmetries of Complex Spaces.  James Baglama, Ball State University,
Krylov Subspace Methods (How to Solve Large Scale Eigenvalue Problems).  Judith Palagallo, University of Akron,
Fractal Tilings in the Plane.
Analysis Seminar
 Steve Mecker, IPFW student,
Predictive statistical quality design & optimization as practiced in General Electric.  Peter Dragnev,
The support of the equilibrium measure for a class of external fields on a finite interval, I.  Adam Coffman,
l_{1} estimates for inverse functions, I, II.
Pi Math Club
 Allen Schwenk, Western Michigan University,
Turn out those lights now!  Tisha Gratton, IPFW student,
Euler: the man behind our mathematics  Jennifer Beineke, Trinity College,
Prime targets: an elementary look at recent developments in cryptography.
Summer 1999
Workshop
 Enhancing the Teaching and Learning of College Developmental Algebra and Trigonometry Using Graphing Calculators with the TI83 Plus, June 28  July 2, 1999.
Spring 1999
Colloquium
 Sergey Belyi, Troy State University,
Multiplication Properties of Transfer Operatorfunctions.  Elizabeth Wilmer, Oberlin College,
Some Local Limit Theorems for Random Walks on Simple Digraphs.  Angela Dean, Ohio State University,
Detection of Interactions in Experiments on Large Numbers of Factors.
Analysis Seminar
 Dan Coroian,
Numerical simulation of mechanical systems using generalized inverses.  Peter Dragnev,
A problem in potential theory and zero asymptotics of Krawtchouk polynomials.  Plamen Simeonov, Ohio State University,
Weighted polynomial and rational approximation with varying weights.  Adam Coffman,
Generalizing stereographic projection, II.  Peter Dragnev,
Constrained Leja points and numerical solution of the constrained energy problem.  Adam Coffman,
Ray tracing Steiner surfaces.
Pi Math Club
 Robin Wilson, The Open University, England,
The mathematics of Lewis Carroll.
Fall 1998
Scholar in Residence
 Alexandre Sukhov, University of Provence
Sonia Kovalevsky Day
Read about this event in the


Colloquium
 Alexandre Sukhov, University of Provence,
Mapping Problems in Geometric Complex Analysis.  Daniel Maki, Indiana University Bloomington,
Mathematics Throughout the Curriculum.
Graph Theory Seminar
 Lowell Beineke,
The mean connectivity of a graph.
Analysis Seminar
 Adam Coffman,
Stereographic projection generalized to higher dimensions, I.  Yifei Pan,
A new method of studying best harmonic approximation.  Krassimir Ianakiev, SUNY Buffalo,
Existence of global solution and scattering operator for nonlinear hyperbolic equations.  Peter Dragnev,
Equilibrium problems and fast decreasing polynomials, I, II, III.  Adam Coffman,
A multivalued reflection.
Pi Math Club
 Allen Schwenk, Western Michigan University,
What is the correct way to seed a knockout tournament?
Spring 1998
Workshop
 Enhancing the Teaching and Learning of College Algebra and Trigonometry Using Graphing Calculators TI83, May 1115, 1998.
Colloquium
 Allen Schwenk, Western Michigan University,
Eigenvalues and the Existence of Small Regular Graphs of Specified Girth.  Suzanne Dubnicka, Pennsylvania State University,
An Introduction to Rank Methods for Mixed Paired and Unpaired Data.  Mezbahur Rahman, California State University Monterey Bay,
Testimation in Regression Parameter Estimation.  Erica Johnson, University of Nebraska Lincoln,
Graduate Teaching Assistants' Beliefs About Teaching Within the Context of Reform Mathematics.  Michael Lutz, Indiana University Bloomington,
A Case Study of the Transition from a Traditional to a Reform Mathematics Curriculum.  Michelle Stephan, Vanderbilt University,
Analyzing Students' Learning in Social Context.  Maria Blanton, North Carolina State University,
Mathematical Discourse in a Prospective Teacher's Classroom.  Robert (Chip) Vandell, IPFW,
Decycling Graphs.  Peter Dragnev, IPFW,
The Generalized BernsteinErdös Conjecture.  Tom Fowler, Georgia Institute of Technology,
Characterizing Uniquely Colorable Planar Graphs.  Jill Faudree, Emory University,
Cycle Structure in Simple Graphs.
PI Math Club
 Allen Schwenk, Western Michigan University,
Nontransitivity and the paradox of perverse reversal.  J. J. Price, Purdue University West Lafayette,
Truth in mathematical advertising: Calculus without Calculus.
Geometry, Statistics, and Applications Seminar
 Carl Drummond, IPFW Dept. of GeoSciences,
Modeling area and thickness distributions of shallow water limestones using autocatalytic cellular simulations.  Adam Coffman,
Symmetric tensors on surfaces.  Victor Patrangenaru,
Analysis of circular data.  Victor Patrangenaru,
Asymptotic statistics.  Carl Drummond,
Fractal structure of stylolite traces.
Fall 1997
Visiting Researcher
 Sheng Bau, Inner Mongolia Finance and Economics College
Sonia Kovalevsky Day


Colloquium
 Jennifer Beineke, Trinity College,
Zeta Functions for Dummies.  Norm Levenberg, University of Auckland, New Zealand,
Polynomial Inequalities & Applications.
PI Math Club
 Robert (Chip) Vandell,
A twisted look at matrices.
Graph Theory Seminar
 H. K. Dai, IPFW Dept. of Computer Science,
Universal traversal sequences for graphs.  Peter Hamburger,
Random regular honest graphs and isoperimetric numbers, I, II, III.  Sheng Bau,
Cycles containing large subsets of a set in cubic graphs.  Sheng Bau, graphic software demonstration.
Analysis Seminar
 Peter Dragnev,
On some classical and modern problems of potential theory and applications, I, II.  Adam Coffman,
Introduction to complex tangents.  Yifei Pan,
Unique continuation problems in PDE.  David Legg,
Best harmonic approximations and their continuity in the unit disk.  Yifei Pan,
Classification of critical points of differentiable functions and best harmonic approximation.
Geometry, Statistics, and Applications Seminar
 Victor Patrangenaru,
Kendall board and the distribution of Irish ore bodies.  Victor Patrangenaru,
Distributions on complex projective spaces and rat calvarial growth.  Bruce Kingsbury, IPFW Dept. of Biology,
Visualizing the environment with GIS.  Victor Patrangenaru,
New solutions of Einstein's field equations: constant gravitational fields.
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