# Mathematics Colloquium

**Surprising Facts, Useful Tools, and New Results in Topology**

**Dr. Leanne Merrill, Western Oregon University**

Thursday, March 7, 2019, BSS 166, 4:00 PM

**List of Previous Colloquia **

**List of Previous Colloquia**

**2018-2019**

February 28, 2019 - "Empirical Likelihood for Detecting Changes in Time Series Models" - Ramadha Piyadi Gamage -PDF

February 21, 2019 - "Applied Approaches to Missing Data" - Chris Aberson - PDF

February 14, 2019 - "A Comparison of Statistical Models with Longitudinal Data: An Application to Outpatient Clinical Treatment for Problem Drinkers" - Judith Canner - PDF

January 31, 2019 - "Musings on Multiplicative Functions" - Tyler Evans - PDF

November 15, 2018 - Must See Math Videos hosted by Jeff Haag - PDF

November 8, 2018 - "From Permutations to Slopes: A Suprising Example of Generating Functions" - Warren Staley - PDF

October 25, 2018 - "Equations over Finite Groups and a new Perspective on 'Solvability'" - Alon Amit - PDF

October 18, 2018 - "Using in situ meansurements and numerical models to investigate subsurface coastal ocean transport" - Jacob S. Partida - PDF

October 11, 2018 - "Perplex vs. Complex" - Walden Freedman - PDF

October 4, 2018 - "Heat and Mass Transfer in Soil with Application to Seasonal Renewable Energy Storage and Enviornmental Remediation" - Ali Moradi Gharehtapeh - PDF

September 27, 2018 - "Radioactive Pi" - Chris Dugaw - PDF

September 20, 2018 - "Investigation of Surfaces using the Diffuse Reflectance Infrared Fourier Transform Spectroscopy Technique" - Chris Harmon - PDF

September 13, 2018 - "How Many Ways can you solve a Quadratic Euation Visually? From the Greeks to 21st Century Technology" - Martin Flashman - PDF

September 6, 2018 - "A Brief Introduction to Elliptic Curves" - Peter Goetz - PDF

**2017-2018**

May 2, 2018 - "The Many Faces of Dispersive Equations" - Gigliola Staffilani - PDF

April 26, 2018 - "An Introduction to the Change Point Problem and Applications to Stock Market Data" - Abeer Hasan - PDF

April 19, 2018 - "Hyperoperation Absurdity" - Brian Stonelake - PDF

April 12 - Student Results of the Mathematical Contest in Modeling - PDF

April 5 - An Introduction to Bayesian Statistics - Edward Roualdes - PDF

March 29 - Slide Rules - Ken Yanosko - PDF

March 22 - Cold Fusion/LENR Update - Robin Carter - PDF

March 8 - Applications of Quantile Regression in Ecology - Barry Noon - PDF

February 22 - Mathematical Games and Puzzles, Part 2 - Brad Ballinger - PDF

February 15 - "Building Your Career in the Exciting World of Data Science - Jim Hetrick and Rick Hutley - PDF

February 8 - "Surreal Numbers and Combinatorial Games" - Andrew Conner - PDF

February 1 - Mathematical Games and Puzzles - Brad Ballinger - PDF

January 25 - Introductory LaTeX Workshop - Brad Ballinger - PDF

November 30 - "Bézout's Theorem: A Tale of Two Curves" - Pete Goetz - PDF

November 16 - Mathematics Videos - PDF

November 9 - "PIC Math Course: Preparing to Enter Non-Teaching Careers" - Bori Mazzag - PDF

November 2 - "Solar Energy Soiling: The Problem, Experiments, and Model Development" - Liza Boyle _ PDF

October 26 - "Foolhardy Forays into Generalizations of the Collatz Conjecture" - Erik Knutsen - PDF

October 19 - Video Conference with an HSU Graduate - Valerie Yellam - PDF

October 12 - "Three-term Arithmetic Progressions" - Hans Parshall, The Ohio State University - PDF

October 5 - "The Joy of Mathematical Games" - Video by Arthur Benjamin - PDF

September 28 - "Conics in Euclidean, Projective, and Hyperbolic Planes" - Dale Oliver - PDF

September 21 - "Mathematical Puzzle Party" - PDF

September 12 - "Can't you just feel the Moonshine?" - Ken Ono - PDF

September 7 - "Quadratic Residues and Primative Roots" - Kevin McGown - PDF

August 24 - "Solving Polynomial Equations: Visualization from Linear to Cubic, from Rational to Complex Numbers" - Martin Flashman - PDF

**2016-2017**

April 27 - "The Maxwell-Wiechert Model of Viscoelasticity" - Joseph Carroll - PDF

April 20 - "Dividing a Square into Triangles: Combinatorial Topology meets the 2-adic Absolute Value" - Peter Goetz - PDF

Apr 13 - "The Jewel in the Crown: Quadratic Reciprocity" - Rick Luttmann - PDF

Apr 6 - "64=65? Lewis Carroll: Puzzling Mathematician & Mathematical Puzzler" - Stuart Moskowitz - PDF

Mar 30 - "Alumna Interview: Profile of a Non-Academic Career Path in Mathematics" - Jennifer Sorkin (via Skype) - PDF

Mar 23 - "Spatial Capture-Recapture: Integrating Observations and Ecological Theory" - Andy Royle - PDF

Mar 9 - "Understanding Quasars: The Study of Galaxies far, far away...." - Paola Rodrigues Hidalgo - PDF

Mar 2 - "Vector-Valued Modular Forms and the Bounded Denominator Conjecture" - Christopher Marks - PDF

Feb 23 - "The Electoral College vs. The Popular Vote or Balinski and Young vs. Kenneth Arrow" - Charlie Biles - PDF

Feb 16 - "Summing it Up" - A Video presentation of a talk given at Google by Avner Ash and Robert Gross on August 23, 2016 - PDF

Feb 9 - "Feel the Bern - The Bernoulli Numbers" - Jeff Haag - PDF

Feb 2 - "Combinatorial Fixed Point Theorems" - Francis Su - PDF

Jan 26 - "Connections Beyond the Margins of the Grid" - Peter Alstone - PDF

Dec 1 - "intrinsic Properties of Graphs Embedded in R3" - Erica Flapan - PDF

Nov. 17 - "Counting from Infinity: Yitang Zhang and the Twin Prime Conjecture" - film by George Csicery, ZALA films, MSRI - PDF

Nov. 10 - "A Mathematician's View on Quantum Mechanics" - Kenneth Owens - PDF

Nov. 3 - "Mathematical Modeling in Ecology" - Christopher Dugaw - PDF

Oct. 27 - "Mathematical Origami: Forcing Sets for Miura Folding Patterns" - Brad Ballinger - PDF

Oct. 20 - "Teaching and Learning Mathematics with a Growth Mindset" - Dale Oliver - PDF

Oct. 13 - "Modeling Carbon Nanotube Networks" - Ruth Saunders - PDF

Oct. 6 - "A Trip through the Numerical-Galaxy Zoo" - Ellery Ames - PDF

Sept. 29 - "Planning for Uncertainty: Power Planning Models for the Northwest" - Steven Simmons - PDF

Sept. 22 - "No Punt Intended" - Katharine Gray - PDF

Sept. 15 - "Statistical and Ecosystem Modeling in Support of Ecosystem Approaches to Fisheries Management" - Andre Buchheister - PDF

Sept. 8 - "A Selection from Kvant Selecta: On Removing Parentheses with D.B. Fuchs" - Tyler Evans - PDF

Sept. 1 - "Waste-to-Reuse: Novel Membrane-Based Processes for Resource and Energy Recovery" - Kerri Hickenbottom- PDF

**2015-2016**

Apr. 28 - "Constitutive Modeling of Polymeric Foams and Finite Element Simulation of Chip Formation in Metal Cutting" - PDF

Apr. 21 - "Supercomputing and Quantum Tunneling" - PDF

Apr. 14 - "The Great Math Mystery" - Nova Series - PDF

Apr. 7 - "Chaos from Simple Trigonometry" - Rick Luttman - PDF

Mar. 24 - "Tensors and Their Eigenvectors" - Bernd Sturmfels - PDF

Mar. 10 -"Proofs from the Other Book" - Ken Yanosko - PDF

Mar. 3 - "Complex Variables: Mapping Diagrams for Visualizing Complex Arithmetic and Functions Dynamically with GeoGebra - Martin Flashman - PDF

Feb. 25 - "From the Abacus to the iPhone" - John Martin - PDF

Feb. 18 - "Little Things that Run the Savanna" - Daniel Doak - PDF

Feb. 11 - "Competition: Some Insights from Individual-based Models - Rollie Lamberson - PDF

Feb. 4 - "Weird Means to an End: An Introduction to Functional Equations" - Walden Freedman - PDF

Jan. 28 - "“Optimization inspired by biology: parameter fitting using the genetic algorithm” - Bori Mazzag - PDF

Dec. 10 - "Can Dolphins Communicate Abstract Ideas?" - Abeer Hasan - PDF

Dec. 3 - "The Math Life" - Wendy Conquest, Bob Drake & Dan Rockmore - PDF

Nov. 19 -"Synchronicity: Alternating Sums, Exclusion, and Determinants" - Jennifer J. Quinn - PDF

Nov. 12 - "Formative Fun" - Michael Butler - PDF

Nov. 5 - "N is a Number" - film hosted by Dr. Walden Freedman - PDF

Oct. 29 -"Restricted Central Extensions of Modular Witt Algebras" - Dr. Tyler Evans - PDF

Oct. 22 - No Colloquium

Oct. 15 - "The History of Congressional Apportionment Through a Mathematical Lens" - Dr. Charles Biles - PDF

Oct. 8 - "Pattern-oriented modeling for design and validation of individual-based wildlife models: the Jamaica coffee farm example" - Dr. Steve Railsback-PDF

Oct. 1 - "Investigation of Surfaces Using the Diffuse Reflectance Infrared Fourier Transform Spectroscopy Technique" - Dr. Chris Harmon - PDF

Sept. 24 - "Proof the Square root of 2 is Irrational and an Introduction to Convexity" - Dr. Richard Spjut - PDF

Nov. 12 - "Formative Fun" - Michael Butler - PDF

Nov. 5 - "N is a Number" - film hosted by Dr. Walden Freedman - PDF

Oct. 29 -"Restricted Central Extensions of Modular Witt Algebras" - Dr. Tyler Evans - PDF

Oct. 22 - No Colloquium

Oct. 15 - "The History of Congressional Apportionment Through a Mathematical Lens" - Dr. Charles Biles - PDF

Oct. 8 - "Pattern-oriented modeling for design and validation of individual-based wildlife models: the Jamaica coffee farm example" - Dr. Steve Railsback-PDF

Oct. 1 - "Investigation of Surfaces Using the Diffuse Reflectance Infrared Fourier Transform Spectroscopy Technique" - Dr. Chris Harmon - PDF

Sept. 24 - "Proof the Square root of 2 is Irrational and an Introduction to Convexity" - Dr. Richard Spjut - PDF

Sept. 17 - "Positroids, 1/e², and a conjecture of Da Silva” - Dr. Federico Ardila - PDF

Sept. 8 - "Tsunami Propagation over Underwater Obstacles" - Dr. Sergei Fomin - PDF

Sept. 3 - "Let's Get Series About Calculus" - Dr. Jeff Haag - PDF

**2014-2015:**April 30 - "Is Mathematics Biology's Next Microscope?" - Dr. Kamila Larripa - PDF

April 23 - "Quantum Tunneling and Computation" - Dr. Kenneth Owens - PDF

April 16 - "WebWork: An Open Source Alternative" - Tim Lauck and Tim Payer - PDF

April 6 - "A Computational Mathematician Combusts" - Dr. Margot Gerritsen - PDF

March 12 - "Professors Pondering Pi" - Drs. Dale Oliver and Jeff Haag - PDF

March 5 - "A Tribute to Euler" - Dr. William Dunham (video) - PDF

February 26 - "Evidence, Errors and AIC" - Dr. Brian Dennis - PDF

February 19 - "Dirac's Belt Trick, the iPad®, and Quaternions" - Dr. Richard Koch - PDF

February 12 - "Odds and Ends of Introductory Statistics" - Dr. Yoon G. Kim - PDF

February 5 - "Mapping Diagrams Take on Calculus and Complex Variables" - Dr. Martin Flashman - PDF

January 29 - "The Pythagorian Theorem and the Enduring Beauty of Mathematics" - John Martin - PDF

December 11 - "Matrix Factorizations" - Dr. Andrew Conner - PDF

December 4 - "Colorectal Cancer Screening and the Simplest Random Variables - Dr. Joseph Carroll - PDF

November 20 - "Mathematics Videos" - Dr. Jeff Haag - PDF

November 13 - "Positive Polynomials and their Applications" - Dr. Richard Spjut - PDF

November 6 - No Colloquium

October 29 - "The Space of Polynomials from 1540 to today" - Dr. Benson Farb - PDF

October 23 - "Adventures in Plasma Physics" - Dr. Kenneth Owens, Tim Lauck - PDF

October 16 - "Why does Calculus Matter?" - Dr. Adamou Fodé Madé - PDF

October 9 - "Partitions are Everywhere!" - Dr. Ben Ford - PDF

September 25 - "Models of Human Locomotion" - Dr. Justus Ortega - PDF

September 18 - "Using Fubini's Principle in Counting Problems" - Dr. Dale Oliver - PDF

September 11 - "Products with Vectors" - Dr. Jeff Haag - PDF