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Mathematics Colloquium

Weekly series of talks given by Humboldt Mathematics faculty and guest speakers on topics in Mathematics, Statistics, Data Science or related fields. All math enthusiasts welcome!

Unless indicated otherwise, all Mathematics Colloquium talks will be held in BSS 302 from 4-4:50pm

We cordially invite you to the Pre-Colloquium Tea located inside BSS 312 at 3:30 pm with light snacks and refreshments.

If you would like to receive emails for any of these events, please email math@humboldt.edu.

2025-2026

October 2 - The Pythagorean Proposition and the Enduring Beauty of Mathematics - John Martin (Santa Rosa Junior College, Mathematics)

September 18 - A Brief History of Time-Keeping - Dr. Fred Sharifi (Cal Poly Humboldt, Physics & Astronomy)

September 11 - How One Mathematician Walks Two Dogs - Dr. Brad Ballinger (Cal Poly Humboldt, Mathematics)

September 4 - Linear Algebra in Quantum Computing: The Math You Already Know Opens Quantum Doors - Dr. Tyler J. Evans (Cal Poly Humboldt, Mathematics)

2024-2025

May 1 - The Privacy Paradox: Unlocking Deeper Insights from Ethical Data - Joshua Paul Barnard (Data Scientist, Presearch)

April 24 - Divergent Series - Dr. Ken Yanosko (Cal Poly Humboldt, Mathematics - Emeritus)

April 17 - The Probability an Integer is Squarefree - or - Counting Number Fields - Dr. Kevin McGown (CSU Chico, Mathematics and Statistics)

April 10 - Fund Your Future: Scholarships, Internships, and Research Opportunities - Dr. Bethany Johnson (Cal Poly Humboldt, Mathematics)

April 3 - An Introduction to Kubernetes and JupyterLab on TIDE: Powertools for Research in the Mathematical Sciences - Brian Campbell, Ravi Chalasani and John Gerving (Cal Poly Humboldt Information and Technology Services)

March 27 - A Mathematical and Historical Treatment of Timekeeping - Dr. Chris Dugaw (Cal Poly Humboldt, Mathematics)

March 13 - Introduction to Fusion Energy and using Machine Learning to Detect Instabilities - Drs. Kenneth Owens & Rosanna Overholser (Cal Poly Humboldt, Mathematics)

March 6 - Film: Between the Folds: The Science of Art, The Art of Science

February 28 - Primes Galore: Some Elementary, Analytic, and Algebraic Number Theory - Joe Carroll (Cal Poly Humboldt, Adjunct Faculty, Mathematics) 

February 20 - Visit from Alumni - Tanya Garcia (Schatz Energy Research Center)

February 13 - The Grammar of Graphics: A Framework for Designing Data Visualizations - Dr. Rosanna Overholser (Cal Poly Humboldt, Mathematics)

February 6 - Cluster Quest: Connect with your Community through Machine Learning - DATA 322 (Machine Learning) Students

January 30 - How Economists Build Forecast Models - Dr. Dan Hamilton (California Lutheran University, School of Management)

December 12 - Mechanistic multivariate tools for trait-based ecology - Dr. Alana Chin (Cal Poly Humboldt, Biological Sciences)

December 5 - Camera Modeling with QR Decompositions (part 2) - Dr. Kenneth Owens (Cal Poly Humboldt, Mathematics)

November 21 - Camera Modeling with QR Decompositions - Dr. Kenneth Owens (Cal Poly Humboldt, Mathematics)

November 14 - Computing and Data Science Education with Human Contexts - Dr. Lisa Yan (UC Berkeley, Electrical Engineering and Computer Sciences)

November 7 - From Here to Infinity: Lemniscates and Elliptic Integrals - Dr. Walden Freedman (Cal Poly Humboldt, Mathematics)

October 31 - AI in Math Education: Teaching and Learning with AI - Carlos A. Lopez Gonzalez (Tuto)

October 24 - Disc Game Dynamics: A Latent Paradigm for Learning in Zero-Sum Games - Dr. Alexander Strang (UC Berkeley, Statistics and Data Science) 

October 17 - Getting to Know Your Limits: the Epsilon-Delta Definition - Dr. Kenneth Owens (Cal Poly Humboldt, Mathematics)

October 10 - Innovations in Data Science and Statistics at a California Community College - Dr. Solomon Russell (El Camino College, Computer Science)

October 3 - Zeros of a family of complex-valued harmonic polynomials - Dr. Michael Dorff (Brigham Young University, Mathematics)

September 26 -  Improving forecasts of the ecological impacts of climate change - Jason McLachlan (University of Notre Dame, Biological Sciences)

September 19 - Growing with AI: Lessons Learned from Competing in 75 International Data Science Competitions - Dr. Chris Deotte (Senior Data Scientist Nvidia & Quadruple Kaggle Grandmaster)

September 12 - Can AI Grade Your Homework? - Max Bohun, Aman Garg and Keith Sollers (GradeWiz and Cornell University)

September 5 - If Attention is all we need, is Linear Regression mostly all we need? - Dr. Rosanna Overholser (Cal Poly Humboldt, Mathematics)

August 29 - GEO AI Food Security: Remote Sensing of Central Valley Crop Water Stress - Dr. Kamila Dilmurat (UC Merced)

2023-2024

April 25 - Modeling Paradigms for Immune Cell Activity - Dr. Kamila Larripa, Amanda Case, Emmanuel Mezzulo, Abigail Penland & Cheyenne Ty (Cal Poly Humboldt Mathematics and Computer Science)

April 18 - Solving Conservation Puzzles with Integrated Community Models - Dr. Elise Zipkin (Red Cedar Distinguished Associate Professor, Michigan State University)

April 11 - Never Underestimate a Theorem That Counts Something! - Dr. Tyler J. Evans (Cal Poly Humboldt, Mathematics) 

April 4 - An Aspirational Approach to the Mathematical Preparation of Teachers - Dr. Beth Burroughs (Montana State University, Mathematical Sciences)

March 28 - Chaos in the Wild: Unveiling Nature's Dynamic Patterns - Dr. Bethany Johnson (Cal Poly Humboldt, Mathematics) 

March 21 - Module Categories: Why We Care, and How to Find Them - Caleb Hill (University of New Hampshire, Mathematics & Statistics (Ph.D. Candidate))

March 7 - How to Accidentally Program a Supercomputer? - Dr. Ken Owens (Cal Poly Humboldt, Mathematics)

February 29 - Shallow- and Deep-Water Ocean Waves: Deconstructing the Dispersion Relation - Dr. Tamara Beitzel Barriquand (Cal Poly Humboldt, Oceanography and  Physics & Astronomy)

February 22 - A World from a Sheet of Paper (Video from the Oxford Mathematics Public Lectures) - Dr. Tadashi Tokieda (Stanford, Mathematics) 

February 15 - Navajo Math Circles - A film by George Paul Csicsery

February 8 - Forgetful Observations on Sudoku Solutions and the Phistomefel Ring - Dr. Joe Carroll (Cal Poly Humboldt, Mathematics)

November 30 - Language as a Softening Liquid - Dr. Peter Overholser (Schatz Energy Research Center)

November 16 - Transformations and Symmetry - Dr. Brandon Ashley (Southern Oregon University, Mathematics) 

November 9 - Secrets of the SurfaceThe Mathematical Vision of Maryam Mirzakhani - A film by George Csicsery 

November 2 - What is Data Science? What Does a Data Scientist Do? - Dr. Rosanna Overholser (Cal Poly Humboldt, Mathematics) 

October 27 (Friday) - Clocks, Parking Garages, and the Solvability of the Quintic: A Friendly Introduction to Monodromy - Dr. Edray Goins (Pomona College, Mathematics) 

October 19 - The Microscopic World of Piecewise Isometries - Dr. Arek Goetz (San Francisco State University, Mathematics)

October 16 (Monday) - Online Trend Estimation and Detection of Trend Deviations in Sub-sewershed Time Series of SARS-CoV-2 RNA Measured in Wastewater - Dr. Julia Schedler (Rice University, Statistics)

October 12 - Integer Cokernels and Fragmented Tilings - Dr. Alex McDonough (UC Davis, Mathematics)

October 5 - No colloquium lecture

September 28 - Encryption via Permutations and Breaking the Enigma Machine - Dr. Tyler Evans (Cal Poly Humboldt, Mathematics)

September 21 - Hyperbolic Tessellations and the Art of M.C. Escher - Dr. Martha Byrne (Sonoma State University, Mathematics and Statistics)

September 14 - The Intersection of Mathematics and Art Cognitions - The Great Wave off Kanagawa and The Fibonacci Spiral - Mr. Tuto Lopez Gonzalez (San Francisco State University, Mathematics)

September 7 - The Mysterious Linking of the Borromean Rings Explained: A Geometric Picture of Milnor’s Link Invariants - Dr. Anna Cepek (University of Oregon, Mathematics)

August 31 - A Cautionary Tale in Applied Statistics - Dr. John G Williams (Environmental Scientist, retired, and veteran of the Central Valley water wars)

2022-2023

April 27 - How to Build and Program a Supercomputer - Dr. Ken Owens and Charlin Duff (Cal Poly Humboldt, Mathematics) 

April 20 - From the Heavens to the Earth: The Mercurial Tale of Spherical Trigonometry - Dr. Glen Van Brummelen (Trinity Western University, Dean of the Faculty of Natural and Applied Sciences)

April 13 - A New Kind of Music - Emma Modrick (Cal Poly Humboldt, Mathematics and Oceanography)

April 6 - The Poincare Disk and the Hyperquilt:  Easing into models of the hyperbolic plane - Dr. Carol Keig (Sonoma State, Mathematics and Statistics)

March 30 - The Geometry of Numbers - Dr. Dibyajyoti Deb (Oregon Institute of Technology, Mathematics)

March 23 - The Paradoxes of the Game Penney Ante - Philip Farmer

March 9 - Surprising Connections in Number Theory - Dr. Daniel Martin (UC Davis, Mathematics) [Cancelled]

March 2 - Informing students about Cal-Bridge and REUs - Dr. Chris Dugaw (Cal Poly Humboldt, Mathematics)

February 23 - Introduction to Python: Python vs. R - Dr. Yoon Kim (Cal Poly Humboldt, Mathematics)

February 16 - Towards Open Science Using GitHub and R Markdown - Mr. Judson Fisher (Cal Poly Humboldt, Fisheries, Forestry Watershed & Wildland Sciences Graduate Student)

February 9 - Darts-Visualizing Probability: Simulations, Graphs & Mapping Diagrams - Dr. Martin Flashman (Cal Poly Humboldt, Mathematics (Emeritus))

February 2 - Mathematical Trinities - Mystery & Beauty of Mathematics - Dr. Andrew Conner (St. Mary’s College of California, Mathematics & Computer Science)

December 1 - SoME1 -  Winners - Dr. Jeff Haag (Cal Poly Humboldt, Mathematics)

November 24 - No colloquium lecture (fall break)

November 17 - No colloquium lecture

November 10 - Calculus Gems: Brief Lives and Memorable Mathematics - Dr. Jeff Haag (Cal Poly Humboldt, Mathematics)

November 3 - Fourier Series: The Beauty of Circular Motion, part II - Dr. Walden Freedman (Cal Poly Humboldt, Mathematics)

October 27 - A Deep Dive into (the best show ever) Futurama - Dr. Chris Harmon (Cal Poly Humboldt, Chemistry)

October 20 - No colloquium lecture

Friday, October 14 - "On the (t, r) Broadcast Domination Number of Graphs" - Dr. Pamela E. Harris (University of Wisconsin at Milwaukee, Mathematics)

October 6 - "Binary Logistic Regression and the Maximum Likelihood Estimator" - Dr. Joseph Carrol (Cal Poly Humboldt, Mathematics)

September 29 - "Pascal’s Mystic Hexagon" - Dr. Peter Goetz (Cal Poly Humboldt, Mathematics)

September 22 - "An Introduction to Model Selection and Causal Diagrams" - Dr. Rosanna Overholser (Cal Poly Humboldt, Mathematics)

September 15 - "A Brief Introduction to Check Digits" - Dr. Tyler Evans (Cal Poly Humboldt, Mathematics) 

September 8 - "W, H, A, T, S, _, N, E, X, ..." - Dr. Peter Overholser (Oregon Institute of Technology, Mathematics)

September 1 - "Wave-driven Changes in Beach Sand Levels" - Dr. Bonnie Ludka (Cal Poly Humboldt, Environmental Resource Engineering and Mathematics)

2021-2022

April 7 - "A Geometer’s view of Statistical Inference and Machine learning" - Dr. Jesús De Loera

March 3 - "Stability Analysis with Fourier Transforms" - Dr. Ken Owens

February 24 - "Taming tensors" - Dr. Peter Brooksbank

February 17 - "An Invitation to Invariant Theory" - Dr. Frank Moore

February 10 - "Romancing the Triples" - John Martin

December 9 - "What are we actually modeling? Movement, assumptions, and imperfect detection complicate estimates of animal abundance." - Dr. Frank Fogarty

November 4 - "The (possible) shapes of space: 3-dimensional topology and geometrization" - Dr. Stephen Trettel

October 28 - "Teaching Undergraduate Data Science at UC Berkeley with Jupyter notebooks:  pathways for curricular innovation" -  Dr. Eric Van Dusen

October 21 - "Opportunities to Teach Empathetic Critical Thinking through Modeling" - Prof. Beth Burroughs

October 14 - "Secret Code Girls of World War II" - Liza Mundy

October 7 - "Fourier Series: The Beauty of Circular Motion" - Dr. Walden Freedman

September 23 - "Introduction to BA 422: Financial Data Analytics and Econometrics" - Dr. Ramesh Adhikari

September 16 - "Michael's Card Shuffling Problem: An Inductive Inquiry into Derangements" - Dr. Joe Carroll

September 9 - " Survival Analysis, Mixture Distributions, and Individual Heterogenity" - Dr. Chris Dugaw

2020-2021

April 29 - " Real Partners for Real Analysis: An Academic Support Program for Students" - Drs. Abigail Higgins and Sayonita Ghosh Hajra

April 22 - "A Counting problem for Standard Young Tableaux with a given shape and a major index" - Dr. Lipika Deka

April 15 - "A Virtual Summer at Lawrence Berkeley National Laboratory" - Dr. Jessica De Silva

April 8 - "Humanizing Online STEM Courses" - Dr. Sarah Williams

April 1 - "Primes, sieves and pentiums: A tale from the 90's" - Dr. Kevin McGown

March 25 - "A Freshmen Level Computational Linear Algebra Course" - Dr. Laura Chowdury

March 4 - "Learning Through the Triad: Cryptography, Theory, and Programming" - Dr. Jeff Meyer

January 21 - "A Mathematical and Historical Treatment of Timekeeping" - Dr. Chris Dugaw

January 28 - "A conversation about teaching with two Humboldt Math Education alumni"

2019-2020

March 12 - "Advances in Spatially Balanced Sampling: The HIP and BAS Methods" - Dr. Trent McDonald

March 5 - "Using Pre-College Student Attitudes and Demographics to Predict STEM Career Interest" - Alana Unfried

February 27 - "A Brief Encounter with the Distributional Kind" - Ellery Ames

February 13 - "The Spiritual Side of Mathematics" - John Martin

February 6 - "Irrational and Transcendental Numbers" - Kevin McGown

December 19 - "Catching Internal Waves in the Ocean: The Mathematics of Internal Waves and Turbulence in the Ocean" - Tamara Barraquand

November 14 - "Two Videos by 3Blue1Brown"

November 7 - "Classifiers for Predicting Undergraduate Computer Science Performance" - Sherrene Bogle

October 31 - "Tricks & Treats" - Brad Ballinger

October 24 - "Public Key Cryptography" - Adamou Fode Made

October 17 - "Bertrand's Paradox (i) from R simulation and (ii) from the Bayesian Perspective" - Yoon Kim

October 3 - "Restricted Patterns of the Past, Present, and Future" - Zvezdelina Stankova

September 26 - "False Position" - Walden Freedman

September 19 - "Circles in Polygons" - Tyler Evans

September 12 - "What's Wrong with Statistical Significance Tests: An Example from Environmental Flow Assessment" - John Williams

September 5 - "Linear Algebra and Mapping Diagrams: Old and New Visualizations with GeoGebra" - Martin Flashman 

2018-2019

May 2 - "Introduction to the geometric product and the geometric algebras G2 and G3" - Tim Lauck

April 25 - "Mathematical Art from Complex Analysis" - Frank A. Farris

April 18 - "Principal Component Analysis- An Explanation and an Application" - Michael Wilson & Peter Oliver

April 11 - "Relevant Advances and Applications of Occupancy Models" - Larissa Bailey

April 4 - "Points, Polytopes, and Polynomials" - Katharina Jochemko

March 28 - "An Interfering Paths Approach to Understanding Quantum Mechanics" - Ken Owens

March 7 - "There are Infinitely Many Universes on My Beach Ball! Surprising Facts, Useful Tools, and New Results in Topology" - Leanne Merrill

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

February 21 - "Applied Approaches to Missing Data"

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

January 31 - "Musings on Multiplicative Functions" - Tyler Evans

November 15 - Must See Math Videos hosted by Jeff Haag

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

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

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

October 11 - "Perplex vs. Complex" - Walden Freedman

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

September 27 - "Radioactive Pi" - Chris Dugaw

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

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

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

2017-2018

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

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

April 19 - "Hyperoperation Absurdity" - Brian Stonelake

April 12 - Student Results of the Mathematical Contest in Modeling

April 5 - An Introduction to Bayesian Statistics - Edward Roualdes

March 29 - Slide Rules - Ken Yanosko

March 22 - Cold Fusion/LENR Update - Robin Carter

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

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

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

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

February 1 - Mathematical Games and Puzzles - Brad Ballinger

January 25 - Introductory LaTeX Workshop - Brad Ballinger

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

November 16 - Mathematics Videos

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

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

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

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

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

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

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

September 21 - "Mathematical Puzzle Party"

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

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

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

2016-2017

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

2015-2016

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

Apr. 21 - "Supercomputing and Quantum Tunneling"

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

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

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

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

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

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

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

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

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

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

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

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

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

Nov. 12 - "Formative Fun" - Michael Butler

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

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

Oct. 22 - No Colloquium

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

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

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

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

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

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

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

2014-2015

April 30 - "Is Mathematics Biology's Next Microscope?" - Dr. Kamila Larripa

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

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

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

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

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

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

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

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

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

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

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

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

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

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

November 6 - No Colloquium

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

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

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

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

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

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

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