**Past Events**

Below are events that have already passed. You can also view a list of upcoming events here.

## Friday, March 24, 2023

### Program in Applied Mathematics Colloquium

**Modeling Coordinate Transformations in Neural and Neuromorphic Systems**

Series: Program in Applied Mathematics Colloquium

**Location:**Hybrid: MATH, 501/Online

**Presenter:**Frances Chance, Computational Neuroscience, Department of Cognitive and Emerging Computing, Sandia National Laboratory

### Program in Applied Mathematics Brown Bag Seminar

**Opportunities for science graduates at national laboratories: an informal discussion**

Series: Program in Applied Mathematics Brown Bag Seminar

**Location:**Hybrid: Math 402/Online

**Presenter:**Frances Chance and Srideep Musuvathy, Department of Cognitive and Emerging Computing, Sandia National Laboratories

## Thursday, March 23, 2023

### Mathematics Colloquium

**Numerical analysis of Cahn-Hilliard Navier-Stokes equations**

Series: Mathematics Colloquium

**Location:**MATH 501

**Presenter:**Beatrice Riviere, Rice University

### Modeling, Computation, Nonlinearity, Randomness and Waves Seminar

**Shape and topology optimization via a level-set based mesh evolution method**

Series: Modeling, Computation, Nonlinearity, Randomness and Waves Seminar

**Location:**Hybrid, Math 402/Online

**Presenter:**Charles Dapogny, Laboratoire Jean Kuntzmann, Université Grenoble Alpes

## Wednesday, March 22, 2023

### Algebraic Geometry Seminar

**On moduli spaces of curves with colliding points**

Series: Algebraic Geometry Seminar

**Location:**ENR2 S395

**Presenter:**Sebastian Bozlee, Tufts University

### Early Career Math Colloquium

**Primitive equations: mathematical analysis and machine learning algorithm**

Series: Early Career Math Colloquium

**Location:**Online

**Presenter:**Quyuan Lin, UC Santa Barbara

### Mathematical Physics and Probability Seminar

**Speculation about the quantum chiral model**

Series: Mathematical Physics and Probability Seminar

**Location:**MATH 402

**Presenter:**Doug Pickrell, University of Arizona

## Tuesday, March 21, 2023

### Algebra and Number Theory Seminar

**Moduli spaces of fundamental groups in positive characteristic**

Series: Algebra and Number Theory Seminar

**Location:**Zoom Meeting

**Presenter:**Yu Yang, RIMS, Kyoto University

### Graduate Student Colloquium

**Anti-θ-ical: Simple problems and Sophisticated Solutions**

Series: Graduate Student Colloquium

**Location:**Math 501

**Presenter:**Spencer Nelson

### Quantitative Biology Colloquium

**Soft coral simulations in prescribed and muscle-driven pulsing**

Series: Quantitative Biology Colloquium

**Location:**MATH 402

**Presenter:**Matea Santiago, Department of Mathematics, University of Arizona

### Analysis, Dynamics, and Applications Seminar

**Regularity and asymptotic properties of nonlocal stochastic evolution equations in chemical and biomedical models**

Series: Analysis, Dynamics, and Applications Seminar

**Location:**Hybrid, Math 402/Online

**Presenter:**Oleksandr Misiats, Department of Mathematics, Virginia Commonwealth University

## Monday, March 20, 2023

### Mathematics Instruction Colloquium

**ChatGPT Discussion Part 2**

Series: Mathematics Instruction Colloquium

**Location:**Math 501

## Friday, March 17, 2023

### Program in Applied Mathematics Colloquium

**Machine-learning-based spectral methods for partial differential equations**

Series: Program in Applied Mathematics Colloquium

**Location:**Hybrid: MATH, 501/Online

**Presenter:**Panos Stinis, Computational Mathematics, Pacific Northwest National Laboratory

### Program in Applied Mathematics Brown Bag Seminar

**Data-Driven Mori-Zwanzig: Theory and Applications to Boundary Layers**

Series: Program in Applied Mathematics Brown Bag Seminar

**Location:**Hybrid: Math 402/Online

**Presenter:**Michael Woodward, Program in Applied Mathematics, University of Arizona

## Thursday, March 16, 2023

### Meeting

**ULA Recruiting Informational Session for Faculty**

Meeting

**Location:**Zoom Meeting

**Presenter:**Sarah Hoffman

### Mathematics Colloquium

**Effect of Astrocytes in Neuronal Networks**

Series: Mathematics Colloquium

**Location:**MATH 501

**Presenter:**Alla Borisyuk, University of Utah

### Ph.D. Final Oral Dissertation Defense

**Receptivity of Chemically-Reacting Hypersonic Boundary Layers to Kinetic Fluctuations**

Ph.D. Final Oral Dissertation Defense

**Location:**ENR2, S395

**Presenter:**Kevin Luna, Program in Applied Mathematics, University of Arizona

### Modeling, Computation, Nonlinearity, Randomness and Waves Seminar

**Towards the Ultimate Solver(s) for Wave Equations in the Time Domain**

Series: Modeling, Computation, Nonlinearity, Randomness and Waves Seminar

**Location:**Hybrid: Math, 402/Online

**Presenter:**Thomas Hagstrom, Department of Mathematics, Southern Methodist University

### Special Colloquium

**Energy Landscapes, Metastability, and Transition Paths**

Series: Special Colloquium

**Location:**MATH 402

**Presenter:**Katie Newhall, UNC Chapel Hill

## Wednesday, March 15, 2023

### Early Career Math Colloquium

**Construction of Hierarchically Semi-Separable Matrix Representation using Adaptive Johnson-Lindenstrauss Sketching**

Series: Early Career Math Colloquium

**Location:**Online

**Presenter:**Yotam Yaniv, UCLA

### Mathematical Physics and Probability Seminar

**Quantum Scattering in the Energy Domain 2**

Series: Mathematical Physics and Probability Seminar

**Location:**MATH 402

**Presenter:**Bill Faris, University of Arizona

## Tuesday, March 14, 2023

### Algebra and Number Theory Seminar

**Dormant opers and canonical diagonal liftings**

Series: Algebra and Number Theory Seminar

**Location:**Zoom Meeting

**Presenter:**Yasuhiro Wakabayashi, Osaka Univ.

### Quantitative Biology Colloquium

**Role of Extracellular Potassium in Neurovascular Coupling: Theoretical Models**

Series: Quantitative Biology Colloquium

**Location:**MATH 402

**Presenter:**Sara Djurich, Program in Physiological Sciences, University of Arizona

### Graduate Student Colloquium

**"Primitive Homogeneous Spaces" and "Partial Ordering in String Algebras"**

Series: Graduate Student Colloquium

**Location:**Math 501

**Presenter:**Illia Hayes and Bhargav Kale

### Analysis, Dynamics, and Applications Seminar

**Wave Turbulence in the Schrödinger-Helmholtz equation: structure formation in dark matter haloes to tabletop optics**

Series: Analysis, Dynamics, and Applications Seminar

**Location:**Hybrid, Math 402/Online

**Presenter:**Jon Skipp, Department of Mathematics, Aston University, Birmingham, UK

## Monday, March 13, 2023

### Special Colloquium

**Metric Algebraic Geometry**

Series: Special Colloquium

**Location:**MATH 402

**Presenter:**Maddie Weinstein, Stanford University

### Event

**Finding Equilibria in Large (Generalized) Nash Games Using (Quasi) Variational Inequalities**

**Location:**PAS 522

**Presenter:**Afrooz Jalilzadeh, University of Arizona

## Friday, March 3, 2023

### Program in Applied Mathematics Brown Bag Seminar

**Are Dust Traps Rossby Wave Unstable?**

Series: Program in Applied Mathematics Brown Bag Seminar

**Location:**Math 402

**Presenter:**Eonho Chang, Program in Applied Mathematics, University of Arizona

## Thursday, March 2, 2023

### Mathematics Colloquium

**Spatial polygons and Representations of SL(2).**

Series: Mathematics Colloquium

**Location:**MATH 501

**Presenter:**Leonid Rybnikov, Harvard University

### Modeling, Computation, Nonlinearity, Randomness and Waves Seminar

**Mapping Mt. Improbable: exploring functional diversity of living systems through modeling**

Series: Modeling, Computation, Nonlinearity, Randomness and Waves Seminar

**Location:**Hybrid: Math 402/Online

**Presenter:**Lindsay Waldrop, Department of Mathematics, Chapman University

### Special Colloquium

**A journey through kinetic transport equations**

Series: Special Colloquium

**Location:**MATH 402

**Presenter:**Pedro Aceves Sanchez, UCLA

## Wednesday, March 1, 2023

### Early Career Math Colloquium

**Anomalies and Commonalities**

Series: Early Career Math Colloquium

**Location:**Online

**Presenter:**Mike Lindstrom, University of Texas Rio Grande Valley

### Mathematical Physics and Probability Seminar

**The YZX triad revisited via examples**

Series: Mathematical Physics and Probability Seminar

**Location:**MATH 402

**Presenter:**Enrique Thomann, Oregon State University

## Tuesday, February 28, 2023

### Graduate Student Colloquium

**Breaking Coboundaries: Cohomology**

Series: Graduate Student Colloquium

**Location:**Math 501

**Presenter:**Daniel Lewis

### Quantitative Biology Colloquium

**A New Perspective on Epidemic Modeling**

Series: Quantitative Biology Colloquium

**Location:**Hybrid: Math 402/Online

**Presenter:**Bill Fries, Program in Applied Mathematics, University of Arizona

### Algebra and Number Theory Seminar

**Tate Classes and Endoscopy for GSp4**

Series: Algebra and Number Theory Seminar

**Location:**ENR2-S395

**Presenter:**Naomi Sweeting, Harvard

### Analysis, Dynamics, and Applications Seminar

**The inverse spectral problem for nearly circular ellipses**

Series: Analysis, Dynamics, and Applications Seminar

**Location:**Hybrid: Math 402/Online

**Presenter:**Hamid Hezari, Department of Mathematics, University of California, Irvine

## Monday, February 27, 2023

### Mathematics Instruction Colloquium

**Mid Semester Contact with Students**

Series: Mathematics Instruction Colloquium

**Location:**Math 203

### Special Colloquium

**Sharp well-posedness for dispersive PDE: the derivative nonlinear Schr\"odinger equation**

Series: Special Colloquium

**Location:**MATH 402 and ZOOM

**Presenter:**Maria Ntekoume, Rice University

## Friday, February 24, 2023

### Program in Applied Mathematics Colloquium

**Scalable Multiphysics Block Preconditioning for Solution of Implicit Stabilized Finite Element Resistive MHD Formulations with Application to Magnetic Confinement Fusion**

Series: Program in Applied Mathematics Colloquium

**Location:**Hybrid: MATH, 501/Online

**Presenter:**John Shadid, Computational Mathematics Department, Sandia National Laboratories, and, Department of Mathematics and Statistics, University of New Mexico

## Thursday, February 23, 2023

### Special Colloquium

**How do the eigenvalues of a large non-Hermitian random matrix behave?**

Series: Special Colloquium

**Location:**MATH 501 and ZOOM

**Presenter:**Giorgio Cipolloni, Princeton University

### Modeling, Computation, Nonlinearity, Randomness and Waves Seminar

**Feature Attributions for Clustering**

Series: Modeling, Computation, Nonlinearity, Randomness and Waves Seminar

**Location:**Hybrid, Math 402/Online

**Presenter:**Christian Scholbeck, Department of Statistics, Ludwig-Maximilians-Universität (LMU) Munich, Germany

## Wednesday, February 22, 2023

### Mathematical Physics and Probability Seminar

**The YZX Triad**

Series: Mathematical Physics and Probability Seminar

**Location:**MATH 402

**Presenter:**Ed Waymire, Oregon State University

## Tuesday, February 21, 2023

### Graduate Student Colloquium

**Covering Surfaces and Differential Equations**

Series: Graduate Student Colloquium

**Location:**Math 501

**Presenter:**Ryan Lam

### Quantitative Biology Colloquium

**Advancing Standards for Machine Learning in the Biosciences**

Series: Quantitative Biology Colloquium

**Location:**MATH 402

**Presenter:**Kenneth Schackart, Department of Biosystems Engineering, University of Arizona

### Algebra and Number Theory Seminar

**Recent progress on certain problems related to local Arthur packets of classical groups**

Series: Algebra and Number Theory Seminar

**Location:**Zoom Meeting

**Presenter:**Baiying Liu, Purdue University

### Analysis, Dynamics, and Applications Seminar

**Optimal regularity for degenerate Kolmogorov equations with rough coefficients**

Series: Analysis, Dynamics, and Applications Seminar

**Location:**Hybrid, Math 402/Online

**Presenter:**Giacomo Lucertini, Department of Mathematics, University of Bologna, Italy

## Monday, February 20, 2023

### Mathematics Instruction Colloquium

**Equitable Teaching Practices using the CARE Framework**

Series: Mathematics Instruction Colloquium

**Location:**PAS (Physics and Atmospheric Science) 588

**Presenter:**Dr. Robert Q. Berry, III