**Wednesday, October 21, 2020**

**Dr. Rebecca Everett, Haverford College**

**Title: **Agent-based and continuous models of hopper bands for the Australian plague locust

4:00-5:00pm, Zoom

# Colloquium Schedule

## Upcoming Colloquia

Colloquia in Spring 2021 will be held virtually. A link to the Zoom meeting for each talk will be provided next to the time of the talk.

**Thursday, February 18, 2021**

**Dr. Jane Breen, Ontario Tech University**

**Title: **Kemeny's constant and random walks on graphs

4:00-5:00pm, Zoom Meeting ID 924 3553 9406

**Wednesday, April 7, 2021**

**Dr. Rebecca Hubbard, Penn Medicine**

**Title: **TBD

4:00-5:00pm, Zoom Meeting Room

## Previous Colloquia

**Wednesday, February 26, 2020
John Urschel, Ph.D. Candidate, MIT
Title:** Iterative Methods for Matrices and Polynomial Optimization Problems

3:00-4:30 pm, Mendel 102

**Tuesday, December 10, 2019
Dr. Suzanne Thornton, Swarthmore College
Title:** Computational Statistical Inference for Complex Data

2:30-4:00 pm, Mendel G92

**Friday, November 15, 2019
Dr. Holley Friedlander, Dickinson College
Title:** Arithmetic of Apollonian circle packings

2:30-4:00 pm, Mendel G92

**Friday, November 1, 2019
Dr. David Richeson, Dickinson College
Title:** Tales of Impossibility

2:30-4:00 pm, Mendel 102

**Friday, October 4, 2019
Dr. Elizabeth Drellich, Haverford College**

**Title:**Folding words around trees: Models inspired by RNA.

2:45-4:15pm, Mendel G92

Due to social distancing measures in place to slow the spread of covid-19, the following Spring 2020 colloquia were canceled.

**Friday, March 20, 2020
Dr. Rebecca Everett, Haverford College
Title:** Agent-based and continuous models of hopper bands for the Australian plague locust

2:30-4:00 pm, Mendel 102

**Friday, April 3, 2020
Dr. Michael Czahor, Philadelphia Phillies
Title:** TBA

2:30-4:00 pm, Mendel 154

**Friday, April 17, 2020
Dr. Rebecca Hubbard, University of Pennsylvania
Title:** Using Data from the Electronic Health Record to Understand Cancer Care and Outcomes

2:30-4:00 pm, Driscoll 248

**Thursday, April 23, 2020
Dr. Glenn Hurlbert, Virginia Commonwealth University
Title:** TBA

2:30-4:00 pm, Mendel G88

**Friday, May 1, 2020 (Pi Mu Epsilon talk)
Dr. Chris Rorres, Drexel University
Title:** TBA

10:30 am-12:00 pm, Location TBD

**Friday, November 2, 2018
Michael Tait, Carnegie Mellon
Title: **Algebraic Methods in Extremal Graph Theory

2:30-4:00 pm, Mendel 115

**Friday, September 21, 2018
James Phillips, University of Virginia
Title: **Good Reductions of Covers of Curves

2:30-4:00 pm, Mendel 115

James is an alumnus of Villanova.

**Friday, April 20, 2018
Dr. Haydee Lindo, Williams College
Title: **Trace Ideals and endomorphism rings.

**Friday, March 16, 2018
Dr. Peter Muller, Villanova University|
Title:** Electrical ImpedanceTomography: Linear and Nonlinear Inversion Methods

**Friday, February 23, 2018
Dr. Lu Chen, Swarthmore College
Title: **Missing data problems in cancer risk prediction.

**Friday, November 10, 2017**

Dr. Anisah Nu'Man, Ursinus College

Title:

Dr. Anisah Nu'Man, Ursinus College

Title:

*Tame filling functions for Diestel-Leader groups.*

**Friday, September 15, 2017
Dr. Diana Davis, Swarthmore College
Title: **Lines on polygon surfaces

**Friday, November 18, 2016
Anisah Nu'Man
Title: **One Mathematician's Journey to Abstraction and Pure Mathematics

**Friday, October 21, 2016
Dr. Jesse Frey
Title:** Improving the Big East Conference Basketball Tournament Using Monte Carlo Methods

**Friday, August 26, 2016**

**Mark McKibben,
Title:** "Holey Rocks, Indecisive Fluids, Vanishing Beaches & Fiery Neurons: The Unifying Nature of Implicit Evolution Equations"

**Friday, September 23, 2016**

**Amanda Knecht,**

**Title:** "Looking for Surfaces with Lots of Lines"

**Friday, October 21, 2016
Jesse Frey,
Title:** "Improving the Big East Conference Basketball Tournament Using Monte Carlo Methods."

**Friday, November 18, 2016
Anisah Nu'man,
Title:** "One Mathematician’s Journey to Abstraction and Pure Mathematics"

**Friday, December 9, 2016
Andrej Prsa,
Title:** "Overinterpretingastronomy data and bragging about it to mathematicians... (An Intro to Astro-Statistics)"

**Friday, November 13, 2015
Tom Corwin '69 (Corwin Associates)
Title: **"The Mathematics of Search: Theory and Operational Examples"

**Friday, November 20, 2015
Robert Buchanan (Millersville University)
Title:** "The Mathematics of Wagering"

**Tuesday, December 8, 2015**

**David Chuss '97 (Villanova University)**

**Title:** "Searching for the Fingerprint of Inflation in the Cosmic Microwave Background"

**Thursday, January 21, 2016
Chris Rorres (Drexel University)
Title:** "The Law of the Lever: Archimedes vs. Mach"

**Saint Augustine Center Room 300, 2:30-3:25
Weiwen Miao (Haverford College)
Title:** "New Statistical Tests for Detecting Disparate Impact Arising from Two-Stage Selection Processes"

**Friday, April 1, 2016**

**Erica Graham (Bryn Mawr College)**

**Title: **"On Mathematical Models of Metabolic Dysfunction: Diabetes, Cells, and Sleep"

**Friday, April 8, 2016**

**Mark McKibben (West Chester U)**

**Title: **"Holey Rocks, Indecisive Fluids, Vanishing Beaches & Fiery Neurons: The Unifying Nature of ImplicitEvolution Equations"

**Friday, October 23, 2015
Chris Rorres (University of Pennsylvania)
Title:** "Mathematical Modeling of Animal Epidemics"

**Friday, January 30, 2015
Dr. Maureen Carroll (Scranton University)
Title: **"Games on Planes: Using similar rules to Tic-Tac-Toe to create a variety of strategy games"

**Tuesday, December 9, 2014
Dr. Yimin Zhang (Villanova University)
Title: **"Restricted Scheffe` Method Using Minimal Cone Approach for Multiple Comparisons"

**Friday, November 21, 2014
Paul Berhardt (Villanova University)
Title: ** "Joint Modeling: When One Model is Not Enough"

**Friday, October 24, 2014
Dr. Jesse Frey (Villanova University)
Title:** "A Powerful New Test for the General Two-Sample Problem"

**Friday, September 26, 2014
Dr. Ben Siebold (Temple University)
Title:** "The Analogy of Phantom Traffic Jams and Detonation Waves"

**Friday, September 12, 2014
Dr. David Futer (Temple University)
Title:** "The Rental Harmony Theorem"

**Friday, September 27, 2013
Dr. Djordje Milićević (Bryn Mawr College)
Title: **"Sub_Weyl subconvexity and short p-adic exponential sums"

**Friday, September 13, 2013
Dr. Elizabeth Beazley (Haverford College)
Title:** "The Rim Hook Rule: Enumerative Geometry via Combinatorics"

**Friday, April 12, 2013
Dr. Shari Moskow (Drexel University)
Title:** "Inverse Problems: Determining the Equation from the Solution"

**Friday, February 1, 2013
Scott Patterson (Pfizer Vaccine Clinical Research)
Title:** "Modeling and Interpretation of Vaccine Cross-over Clinical Trials Data"

**Friday, November 30, 2012
Tom Corwin, class of '69, founder and CEO of Metron Inc.
Title:** "Search Algorithms."

**Friday, November 16, 2012
Professor Amanda Knecht, Villanova University
Title:** "Unirational Parameterizations of Cubic Surfaces"

**Friday, November 9, 2012
Dr. Charles Grinstead, Swarthmore College
Title:** "Stories of Probabilities - some (perhaps) non-intuitive resultsin probability and geometry"

**Friday, September 28, 2012
Chris Rorres, University of Pennsylvania and Drexel University
Title:** "The Turn of the Screw - The History and Optimal Design of an Archimedes Screw"

**Friday, April 13, 2012
Dr. Mo Yahdi, Ursinus University
Title:** "Mathematical modeling, transmission dynamics and control of antibiotic-resistant infections"

**Friday, February 11, 2012
Dr. Klaus Volpert, Villanova University
Title:** "A Two-Parameter Pareto Model for Income Distributions"

**Friday, February 3, 2012
Dr. Pam Gorkin, Bucknell University
Title:** "Are you sure that's an ellipse? Poncelet ellipses, Blaschke products, and other mathematical short stories"

**Friday, December 9, 2011
John Hessler, Geography & Map Division, Library of Congress
Title:** "Complexity and Chaos In Medieval Cartography"

**Friday, November 11, 2011
Dr. Paul Pasles, Villanova University
Title:** "Divergence of infinite series on Hecke groups of large width (with a side of Fibonacci)"

**Friday, October 28, 2011
Dr. Amanda Knecht, Villanova University
Title:** "Rational Points on Logical Varieties over Sensible Fields"

**Tuesday, April 26, 2011
Dr. Tony Rothman, Princeton University
Title:** "Pi Mu Epsilon Talk"

**Friday, April 15, 2011
Jennifer Paulus & Amanda Knecht, Villanova University
Title:** "A invitation to MAGMA"

**Friday, April 1, 2011
Scott Patterson, Pfizer University
Title:** "Scaled Average Bioequivalence"

**Friday, March 25, 2011
Joseph Mileti, Grinnell College
Title:** "A Tale of Two Theorems: Calibrating Mathematical Complexity"

**Friday, March 18, 2011
Matt Devos, Simon Fraser University
Title:** "TBA"

**Friday, February 11, 2011
Klaus Volpert, Ph.D Villanova University**

**Title:**"A Two-Parameter Pareto Model for Income Distributions"

**Tuesday, December 7, 2010
Matthew Fury, Ph. Penn State University
Titile:** "ll-posed Evolution Problems"

**Tuesday, November 9, 2010
Philipp Yasskin, Ph.D
Title:** "The Mathematics of Knots and Tangles"

**Friday, October 22, 2010
Andrew Woldar, Ph.D. Villanova University
Title:** "Mathematics In Service Of Puzzle-Solving"

**Friday, September 24, 2010
David Kung, Ph.D.
Title:** "How Math Made Modern Music Mad Irrational"

**Friday, March 26, 2010
Ben Galluzzo, Ph.D.
Title:** "Water, water, everywhere, but is it safe to drink?"

**Friday, January 29, 2010
Scott Patterson, Ph.D.
Title:** "A Thorough QTc Testing in Bio-Pharmaceutical Development"

**Tuesday, December 8, 2009
Paul Lupinacci, Ph.D.
Title:** "A Class of Partially Replicated Two-Level Fractional Factorial Designs"

**Friday, November 13, 2009
David Cohoon, Ph.D.
Title:** "The Possibility of Detailed Medical Imaging of Soft tissue withLong Wavelength Radiation, Diagnosis and Therapy Concepts."

**Thursday, October 22, 2009
John Commito, Ph.D.
Title:** "Self-organization and power-law clustering in seafloor animals: the spatial ecology of mussel beds in Maine"

**Tuesday, Sept 22, 2009
Sherry Teti, Ph.D.
Title:** "The existence of elliptic periodic orbits in the smoothed Bunimovich Stadium"

**Friday, May 1, 2009
Peter Sarnak, Ph.D.
Titile:** "Diophantine geometry of Appollomian packings"

**Friday, April 28, 2009
Lorelei Koss, Ph.D.
Titile:** "Complex Functions with Cantor or connected Julia Sets"

**Friday, April 24, 2009
Patrick Cesarz
Titile:** "Non-Unique Factorization"

**Friday, February 27th, 2009
Michael Posner, Ph.D
Titile:** "Making Valid Inferences in Observational Studies using Propensity Score Analysis"

**Friday, February 13th, 2009
Frederick Hartmann, Ph.D.
Titile:** "Starlike Univalent Functions"

**Friday, February 6th, 2009
Bruce Pollack-Johnson, Ph.D
Titile:** "Quality, Time, And Cost Relationships in Project Scheduling"

**Friday, January 30th, 2009
Mirela Damian, Ph.D.
Titile:** "Geometric and Graph Issues in Wireless Networks"

**Tuesday, December 9th, 2008
Timothy Feeman, Ph.D
Titile:** "Letting the Cat out of the bag"

**Friday, October 31st, 2008
Jesse Frey, Ph.D
Titile:** "New Nonparametric Tests for Equivalence"

**Friday, April 4th, 2008
Gordon Williams, Ph.D.
Title:** "Generalizing Polyhedra: Beyond Convexity"

**Friday, March 14, 2008
Joseph McGowan, Ph.D.
Title:** "Fundamentals of Magnetic Resonance Imaging"

**Friday, February 8, 2008
Steve C. Wang, Ph.D.
Title:** "What Caused the Permian Extinction"

**Tuesday, December 11, 2007
Paul Pasles, Ph.D.
Title:** "Benjamin Franklin's Numbers"

**Friday, November 30, 2007
Klaus Volpert, Ph.D.
Title:** "Pricing Methods for Financial Derivatives"

**Friday, October 26, 2007
Abdul Hassen, Rowan University
Title:** "Natural Generalizations of Bernoulli Numbers"

**Monday, October 1, 2007
Jo Ellis-Monaghan, St. Michael's College
Title:** "DNA Nano Structures"