# Colloquium Archive

## 2019-2020

**Dispersive PDEs with nonzero boundary conditions**

Dionyssios Mantzavinos

Department of Mathematics

University of Kansas

Friday, February 28, 2020

4:10-5:00 p.m.

Building 53, Room 201

**Stuck in Traffic**

Richard Sowers

Department of Mathematics & Department of Industrial and Enterprise Systems Engineering

University of Illinois

Friday, January 24, 2020

4:10-5:00 p.m.

Building 53, Room 201

**Predicting Climate and its Change: Global Climate Modeling and Applications of using Satellite measurements**

Dr. Jui-Lin Li

Scientist, Earth Sciences Section

Jet Propulsion Laboratory/NASA

California Institute of Technology

Friday, November 22, 2019

4:10-5:00 p.m.

Building 53, Room 206

**Frost Undergraduate Research Talk**

*"Image Processing Under Noise: Metric Behavior and Multiscale Techniques for Registration and Segmentation" presented by Brady Berg, Conor Carroll, Weston Grewe, Brian Knight, and Tuyen Pham*

Department Mathematics

Cal Poly, San Luis Obispo

Friday, November 15, 2019

4:10-5:00 p.m.

Building 53, Room 206

**Estimating the prime counting function**

Jesse Elliott

Department Mathematics

Cal Poly, San Luis Obispo

Friday, November 8, 2019

4:10-5:00 p.m.

Building 53, Room 206

**Algebraic Design of Experiments**

Elena Dimitrova

Associate Professor

Mathematics

Cal Poly, San Luis Obispo

Friday, November 1, 2019

4:10-5:00 p.m.

Building 53, Room 206

**Deflated Continuation: A bifurcation analysis tool for Nonlinear Complex Dynamical Systems**

Efstathios (Stathis) Charalampidis

Assistant Professor

Mathematics

Cal Poly, San Luis Obispo

Friday, October 25, 2019

4:10-5:00 p.m.

Building 53, Room 206

**Approximation on the Cantor set and other related fractals**

Demi Allen

Postdoctoral Research Fellow

School of Mathematics

University of Manchester

Monday, October 14, 2019

11:10 a.m.-12:00 p.m.

Building 33, Room 457

**Tropical statistics on tree spaces**

*Ruriko Yoshida*

Associate Professor of Statistics

Naval Postgraduate School

Friday, October 11, 2019

4:10-5:00 p.m.

Building 53, Room 206

**On the interplay of functional analysis and operator theory**

*Yunied Puig de Dios*

Visiting Assistant Professor

University of California, Riverside

Friday, October 4, 2019

4:10-5:00 p.m.

Building 53, Room 206

**Asymptotics: the unified transform, a new approach to the Lindelof Hypothesis, and the ultra-relativistic limit of the Minkowskian approximation of general relativity**

*Athanassios S. Fokas*

Department of Applied Mathematics and Theoretical Physics

University of Cambridge

Adjunct Professor of Civil and Environmental Engineering Practice

University of Southern California

Friday, September 27, 2019

4:10-5:00 p.m.

Building 53, Room 206

**The Climate Crisis: challenges and solutions**

*Erin Pearse*

Mathematics Department

California Polytechnic State University

Friday, September 20, 2019

4:10-5:00 p.m.

Building 52, Room E27

## 2018-2019

**On Charleson Measures**

*Ruhan Zhao*

Department of Mathematics

College at Brockport, State University of New York

Friday, May 31, 2019

4:10-5:00 p.m.

Building 53, Room 201

**Frost Undergraduate Research in Mathematics**

*"Curves, Conics, and Cryptography, Oh My!" presented by Joel Pion and Ryan Zesch*

*"The Value of Advanced Analytics in Major League Baseball" presented by Donald Kent*

*"Glacial Cycles and the 100 Kiloyear Problem" presented by Raymart Ballesteros, Tobias Iven, and Brian Knight*

Mathematics Department

California Polytechnic State University

Friday, May 17, 2019

4:10-5:00 p.m.

Building 53, Room 201

**Roots: Of Fibonacci Polynomials, General Farey Recursive Functions and a Life in Mathematics**

*Kelly McKinnie*

Department of Mathematical Sciences

University of Montana

Wednesday, May 15, 2019

12:10-1:00 p.m.

Building 38, Room 202

**Using instructional analytics to move from inquiry-based to equitable instruction**

*Daniel L. Reinholz*

Department of Mathematics and Statistics

San Diego State University

Friday, May 10, 2019

4:10-5:00 p.m.

Building 53, Room 201

**Introduction to Deep Neural Networks**

*Mor Katz*

Safety Team at OpenAl

San Francisco, CA

Friday, May 3, 2019

4:10-5:00 p.m.

Building 53, Room 201

**Frost Undergraduate Research in Math Education**

*"Analogical Reasoning in Abstract Algebra" presented by Chad Collins, Surabhi Agrawal, and Julissa Magana*

*"Readability in the Context of Introductory Proofs" presented by Shannon Cardoza and Tommy Giang*

*"Group Effectiveness and Questioning Processes in an IBL Math Classroom" presented by Joelle Saute and Kathryn Voltmer*

Mathematics Department

California Polytechnic State University

Friday, March 8, 2019

4:10-5:00 p.m.

Building 53, Room 202

**Virtual properties of arithmetic hyperbolic 3-manifolds**

*Michelle Chu*

Department of Mathematics

UC Santa Barbara

Friday, February 22, 2019

4:10-5:00 p.m.

Building 53, Room 202

**What can you do with a master of science degree in mathematics from Cal Poly?**

*Chris Agh, Ph.D.*

Senior Analyst

Toyon Research Corporation

*Steven Foster*

Lecturer

Mathematics Department

University of Arizona

*Jason Kastner, Ph.D.*

Assistant Division Manager

Mechanical Systems Engineering, Fabrication, and Test Division

Jet Propulsion Laboratory

*Elsa Medina, Ph.D.*

Professor

Mathematics Department

Cal Poly State University

*Kristin O'Bannon*

Executive Marketing Manager

Campaign Strategist, Inclusive Access

Pearson

*Nora Wheeler*

Mathematics Instructor

Santa Rosa Junior College

Friday, January 18, 2019

4:10-5:00 p.m.

Building 38, Room 135

**Frost Undergraduate Research Talks**

*"Flat Portions on the Numerical Range of a 4 x 4 Nilpotent Matrix" presented by Mackenzie Cox, Weston Grewe and Grace Hochrein*

*"Unitary Equivalence for Tensor Products of Linear Operators" presented by Chase Peak and Jordan Rowley*

*"Recognizing Overlapping Handwritten Digits using Neural Networks" presented by Grant Bernosky, Cameron Fredrickson, Timothy Royston, and Alexa White*

Mathematics Department

California Polytechnic State University

Friday, November 30, 2018

4:10-5:00 p.m.

Building 53, Room 206

**An energy study of solitary-wave solutions for the Extended Regularized Long-Wave equation**

*Sanja Pantić*

Department of Mathematics

California Polytechnic State University

Friday, November 9, 2018

4:10-5:00 p.m.

Building 53, Room 206

**Linear Preserves - From Multiplier Sequences to Sector Preserves and Beyond**

*Tamás Forgács*

Department of Mathematics

Cal State, Fresno

Friday, November 2, 2018

4:10-5:00 p.m.

Building 53, Room 206

**Mathematical Models in Error-Prone Data Regimes**

**Mario Banuelos**

Department of Mathematics

Cal State, Fresno

Friday, October 26, 2018

4:10-5:00 p.m.

Building 53, Room 206

## 2017-2018

**Exploring the Behavior of Forced Dynamical Systems in Conceptual Models of the Earth's Climate**

**Dave Camp**

Math Department

Cal Poly

Friday, June 1, 2018

4:10-5:00 p.m.

Building 53, Room 206

**Simple Complex Geometry**

**Morgan Sherman**

Math Department

Cal Poly

Friday, May 25, 2018

4:10-5:00 p.m.

Building 53, Room 206

**Student Research Talks**

**"Algorithmic Predictor of Strawberry Variety Characteristics Through Machine" by Eleni Pateras**

**"Models, Sets, and Independence Results in Set Theory" by Michael Hehmann**

**"Game Theory and Jury Selection" by Stephanie Ray**

Math Department

Cal Poly, San Luis Obispo

Friday, May 18, 2018

4:10-5:00 p.m.

Building 53, Room 206

**Musings on Periodicity and Aperiodicity**

**May Mei**

Math Department

Denison University

Friday, May 11, 2018

4:10-5:00 p.m.

Building 53, Room 206

**Geometric Oscillations and the Lattice/Nonlattice Dichotomy**

Friday, May 4, 2018

11:10 a.m.-12:00 p.m.

Building 53, Room 213

**RIP: Row Integration by Parts**

Friday, May 4, 2018

4:10-5:00 p.m.

Building 53, Room 206

**John A. Rock**

Department of Mathematics and Statistics

Cal Poly, Pomona

**dd=0 and Related Issues**

**Goro Kato**

Math Department

Cal Poly, San Luis Obispo

Friday, April 27, 2018

4:10-5:00 p.m.

Building 53, Room 206

**Frost and STAR Student Research Talks**

**"Accessing Environmental Trends of the California Drought" by Nick Rubio**

**"Continuity of Entropy for Lorenz Maps" by Zoe Cooperband, Jordan Rowley, and Matt West**

Math Department

Cal Poly, San Luis Obispo

Friday, March 9, 2018

4:10-5:00 p.m.

Building 53, Room 201

**Introduction to the Numerical Range of a Matrix**

**Linda Patton**

Math Department

Cal Poly, San Luis Obispo

Friday, March 2, 2018

4:10-5:00 p.m.

Building 53, Room 201

**Topological Entropy of Biparametric Skew Tent Maps**

**Gabriella Keszthelyi**

Alfred Renyi Institute of Mathematics

Hungarian Academy of Sciences

Friday, February 16, 2018

4:10-5:00 p.m.

Building 53, Room 201

**Regularity Properties for Definable Sets of Reals, Infinite Games and Large Cardinals**

**Mitch Rudominer**

Senior Software Engineer

Google

Friday, February 9, 2018

4:10-5:00 p.m.

Building 53, Room 202

**Frost Undergraduate Research Talks**

**Chad Collins, Cruz Godar, and Sam Lindboom will present "Duality of Tropical Conics"**

**Julia Gladding, Nicole Linman, and Lindsay Nolte will present "Algebraic Thinking in Elementary Grades"**

**Codi Barnett will present "Composition Operators with Polynomial Preimage Growth"**

Mathematics Department

Cal Poly, San Luis Obispo

Friday, December 1, 2017

4:10-5:00 p.m.

Building 53, Room 202

**What is Culturally Responsive Mathematics Teaching and Why Does it Matter?**

**Mark Ellis**

Professor of Education

California State Univeristy, Fullerton

Friday, November 3, 2017

4:10-5:00 p.m.

Building 33, Room 286

**Undergraduate Colloquium on Composition Operators**

**Dylan Retsek**

Mathematics Department

Cal Poly, San Luis Obispo

Friday, October 27, 2017

4:10-5:00 p.m.

Building 53, Room 202

## 2016-2017

**The Geometry of Thales Contours**

**Stepan Paul**

Mathematics Department

UC Santa Barbara

Friday, June 9, 2017

4:10-5:00 p.m.

Building 53 Room 206

**Reasoning With Infinite Paradoxes**

**Rob Ely**

Mathematics Department

University of Idaho

Friday, June 2, 2017

4:10-5:00 p.m.

Building 53 Room 206

**Can Zombies Do Math? OR Humanism as a Philosophy of Mathematics**

**Gizem Karaali**

Mathematics Department

Pomona College

Friday, May 26, 2017

4:10-5:00 p.m.

Building 53 Room 206

**Senior Project Colloquium**

**Aron Daw, Math and Physics major, graduating Spring 2017
Nolan Schock, Math major and CS minor, graduating Spring 2017
Maria Ramirez, Math major, graduating Spring 2017
Katie Taylor, Math major, graduating Spring 2018
Jeffrey Lee, Math major, graduating Spring 2017**

Department of Mathematics

Cal Poly

Friday, May 19, 2017

4:10-5:00 p.m.

Building 38 Room 135

### Functional calculus and determinants of linear operators

**Joseph Migler**

Department of Mathematics

Ohio State University

Friday, May 12, 2017

4:10-5:00 p.m.

Building 53 Room 206

### Symmetries, Outer Space, & the Outer Automorphism Group of the Free Group

**Catherine Pfaff**

Department of Mathematics

UCSB

Friday, February 24, 2017

4:10-5:00 p.m.

Building 53 Room 201

### Tube Formulas of Self-Similar Fractal Sets

**Erin Pearse**

Department of Mathematics

Cal Poly

Friday, February 17, 2017

4:10-5:00 p.m.

Building 53 Room 201

### The Mathematics of Doodling

**Rob Easton**

Department of Mathematics

Cal Poly

Friday, January 20, 2017

4:10-5:00 p.m.

Building 53 Room 201

### Why I Study Symmetric Functions

**Anthony Mendes**

Department of Mathematics

Cal Poly

Friday, October 7, 2016

4:10-5:00 p.m.

Building 53 Room 213

## 2015-2016

__3D Viscoelastic Anisotropic Seismic Modeling with High-Order Mimetic Finite-Differences__

**José Castillo**

Department of Mathematics and Statistics

San Diego State University

Friday, May 27, 2016

4:10-5:00 p.m.

Building 53, Room 201

__The Einstein-Klein-Gordon and Poisson-Schrödinger Systems in Spherical Symmetry and Dark Matter Halos__

**Andrew Goetz**

Department of Mathematics

University of California, Santa Cruz

Friday, May 20, 2016

4:10-5:00 p.m.

Building 53, Room 201

__Harmonic Map Heat Flows__

**Casey Kelleher**

Department of Mathematics

University of California, Irvine

Friday, May 13, 2016

4:10-5:00 p.m.

Building 53, Room 201

__Vector-Valued Modular Forms and Periods of Modular Curves__

**Christopher Marks**

Department of Mathematics

Cal State, Chico

Friday, April 29, 2016

4:10-5:00 p.m.

Building 53, Room 201

__Quasicrystals (Sturmian Subshifts), Jarník Sets and Spectral Metrics__

**Tony Samuel**

Department of Mathematics

Cal Poly San Luis Obispo

Friday, February 26, 2016

4:10-5:00 p.m.

Building 53, Room 201

__Zeta Functions and Complex Dimensions of Fractals__

**John A. Rock**

Department of Mathematics and Statistics

Cal Poly Pomona

Friday, November 13, 2015

4:10-5:00 p.m.

Building 53, Room 213

__On the Hausdorff Dimension of Graphs of Generalized Weierstraß functions__

**Arne Mosbach**

Universitat Bremen

Bremen, Germany

Friday, October 2, 2015

4:10-5:00 p.m.

Building 53, Room 213

## 2014-2015

__The Features Of Successful College Calculus Programs: An Overview of the CSPCC Project's Main Main Findings__

**Jessica Ellis**

Department of Mathematics

Colorado State University

Thursday, May 14, 2015

11:10-12:00 p.m.

Building 53, Room 213

__On Uniform Continuity of Real-Valued Functions__

**Gerald Beer**

Department of Mathematics

Cal State, Los Angeles

Friday, May 8, 2015

4:10-5:00 p.m.

Building 53, Room 201

__Local Analysis Using Spectral Data__

**Hrushikesh Mhaskar**

California Institute of Technology &

Claremont Graduate University

Friday, May 1, 2015

4:10-5:00 p.m.

Building 53, Room 201

__Can This Polynomial Be Factored?__

**Gary Brookeld**

Department of Mathematics

Cal State, Los Angeles

Friday, April 24, 2015

4:10-5:00 p.m.

Building 53, Room 201

__A New Look at a Famous Problem in the Theory of Least Area Surfaces__

**Anthony Tromba**

Mathematics Department

UC Santa Cruz

Friday, April 10, 2015

4:10-5:00 p.m.

Building 180, Room 107

__Generation and Propagation of Stop-and-Go Traffic Oscillations__

**Martha Shott**

Department of Mathematics and Statistics

Sonoma State University

Friday, April 3, 2015

4:10-5:00 p.m.

Building 53, Room 201

__Enumeration Through Partial Bell Polynomials__

**Michael Weiner**

Department of Mathematics and Statistics

Penn State, Altoona

Friday, March 13, 2015

4:10-5:00 p.m.

Building 53, Room 206

__Minkowski Dimension and Minkowski Measurability__

**Erin Pearse**

Department of Mathematics

Cal Poly San Luis Obispo

Friday, March 6, 2015

4:10-5:00 p.m.

Building 53, Room 206

__Hilbert Spaces, Composition Operators, and Adjoints, Oh My!__

**Erin Rizzie**

Department of Mathematics

Purdue University

Friday, February 27, 2015

4:10-5:00 p.m.

Building 53, Room 206

__Elliptic Curves and Rational Hyperbolic Triangles__

**Jordan Schettler**

Department of Mathematics

UC Santa Barbara

Friday, January 23, 2015

4:10-5:00 p.m.

Building 53, Room 206

__Heat Flows and Complex Geometry__

**Ben Weinkove**

Department of Mathematics

Northwestern University

Tuesday, November 25, 2014

4:10-5:00 p.m.

Building 33, Room 287