Department of Mathematics, < Spring 2019 >  

• Monday, January 7, 2019, 12:00pm, Mathematics Colloquium Seminar
  Subhabrata Sen (MIT), Random graphs, Optimization, and Spin glasses   [abstract] [video]

• Thursday, January 10, 2019, 3:15pm, Mathematics Colloquium Seminar
  Li-Cheng Tsai (Columbia University), When particle systems meet PDEs   [abstract] [video]

• Friday, January 11, 2019, 3:15pm, Geometry/topology Seminar
  Catherine Searle (Wichita State University), Torus actions, maximality, and non-negative curvature   [abstract] [video]

• Monday, January 14, 2019, 12:00pm, Mathematics Colloquium Seminar
  Aukosh Jagannath (Harvard University), Simple statistical tasks can be hard on average.   [abstract] [video]

• Monday, January 14, 2019, 3:15pm, Applied Math And Analysis Seminar
  Mateusz Michalek (), Algebraic Phylogenetics   [abstract] [video]

• Wednesday, January 16, 2019, 12:00pm, Applied Math And Analysis Seminar
  Qin Li (University of Wisconsin-Madison), Low rankness in forward and inverse kinetic theory   [abstract] [video]

• Wednesday, January 16, 2019, 2:00pm, Applied Math And Analysis Seminar
  Lei Li (Shanghai Jiao Tong University), Some algorithms and analysis for first order interacting particle systems   [abstract] [video]

• Thursday, January 17, 2019, 11:45am, Data Dialogue
  Georgiy Bobashev (RTI), Data Dialogue   [abstract]

• Thursday, January 17, 2019, 3:15pm, Mathematics Colloquium Seminar
  Janna Lierl (University of Connecticut), Parabolic Harnack inequalities on metric measure spaces   [abstract]

• Friday, January 18, 2019, 12:00pm, Applied Math And Analysis Seminar
  Javier Gomez Serrano (Princeton University), The SQG equation   [abstract] [video]

• Monday, January 21, 2019, 12:00pm, Mathematics Colloquium Seminar
  Evita Nestoridi (Princeton University), Mixing times and the cutoff phenomenon.   [abstract] [video]

• Tuesday, January 22, 2019, 3:15pm, Geometry/topology Seminar
  Gonçalo Oliveira (Universidade Federal Fluminense, GMA-Instítuto de Matemática), Gauge theory on Aloff-Wallach spaces   [abstract] [video]

• Wednesday, January 23, 2019, 12:00pm, Mathematics Colloquium Seminar
  Nicholas Cook (), Large deviations for sparse random graphs   [abstract] [video]

• Wednesday, January 23, 2019, 3:15pm, Number Theory Seminar
  Mahesh Kakde (Kings College London, Mathematics), Congruences between derivatives of geometric L-series   [abstract] [video]

• Thursday, January 24, 2019, 11:45am, Data Dialogue
  Ytzachak Solomon (Brown University Math Dept.), Data Dialogue   [abstract]

• Thursday, January 24, 2019, 3:15pm, Probability Seminar
  Alex Blumenthal (University of Maryland, Mathematics), Chaotic regimes for random dynamical systems   [abstract] [video]

• Friday, January 25, 2019, 12:00pm, Applied Math And Analysis Seminar
  Courtney Paquette (University of Waterloo), Algorithms for stochastic nonconvex and nonsmooth optimization   [abstract] [video]

• Friday, January 25, 2019, 1:30pm, Mathematical Biology Seminar
  Andrew Brouwer (University of Michigan), Harnessing environmental surveillance: mathematical modeling in the fight against polio   [abstract] [video]

• Monday, January 28, 2019, 12:00pm, Mathematics Colloquium Seminar
  Jonathan Hermon (Cambridge University, Mathematics), Mixing and hitting times - theory and applications   [abstract] [video]

• Monday, January 28, 2019, 12:00pm, Applied Math And Analysis Seminar
  Haihao Lu (MIT), Gradient Boosting Machines: Structural Insights and Improved Algorithms   [abstract]

• Monday, February 4, 2019, 12:00pm, Applied Math And Analysis Seminar
  Oliver Hinder (Stanford University), Principled algorithms for finding local minima   [abstract]

• Monday, February 4, 2019, 3:15pm, Geometry/topology Seminar
  Ahmad Issa (University of Texas, Austin, Mathematics), Embedding Seifert fibered spaces in the 4-sphere   [abstract] [video]

• Wednesday, February 6, 2019, 12:00pm, Applied Math And Analysis Seminar
  Ying Cui (University of Southern California), Modern ``Non''-Optimization for Data Science   [abstract] [video]

• Wednesday, February 6, 2019, 3:15pm, Number Theory Seminar
  Hiro-aki Narita (Waseda University), Special Bessel models with the local Maass relation and non-tempered automorphic forms on orthogonal groups   [abstract] [video]

• Thursday, February 7, 2019, 11:45am, Data Dialogue
  Shelley Rusincovitch (), Data Dialogue   [abstract]

• Thursday, February 7, 2019, 3:15pm, Department of Mathematics Seminar
  Sam Stechmann (University of Wisconsin - Madison), Clouds, climate, and extreme precipitation events: Asymptotics and stochastic   [abstract] [video]

• Friday, February 8, 2019, 12:00pm, Mathematical Biology Seminar
  Shweta Bansal (Georgetown University, Department of Biology), Got flu? Using small and big data to understand influenza transmission, surveillance and control   [abstract] [video]

• Friday, February 8, 2019, 3:15pm, Algebraic Geometry Seminar
  Yiannis Sakellaridis (Rutgers University-Newark), Moment map and orbital integrals   [abstract] [video]

• Monday, February 11, 2019, 12:00pm, Graduate/faculty Seminar
  Chung-Ru Lee (, Duke University), Introduction to Trace Formula   [abstract] [video]

• Monday, February 11, 2019, 3:15pm, Triangle Topology Seminar
  Dan Rutherford (Ball State University), Augmentations and immersed Lagrangian fillings   [abstract] [video]

• Tuesday, February 12, 2019, 11:45am, Data Dialogue
  Yi-Wen Liu (National Tsing Haa University, Taiwan), Peculiar properties of traveling waves in the cochlea and an iterative linearization technique for modeling   [abstract]

• Wednesday, February 13, 2019, 3:15pm, Number Theory Seminar
  Lillian Pierce (Duke University), Short character sums   [abstract]

• Thursday, February 14, 2019, 11:45am, Data Dialogue
  Moises Rojo (), Data Dialogue   [abstract]

• Thursday, February 14, 2019, 3:15pm, Probability Seminar
  Holden Lee (Princeton University), Sampling Multi-modal Distributions using Simulated Tempering Langevin Monte Carlo   [abstract]

• Monday, February 18, 2019, 3:15pm, Geometry/topology Seminar
  Jesse Madnick (McMaster University, Mathematics), The Mean Curvature of (Co)Associative Submanifolds   [abstract] [video]

• Tuesday, February 19, 2019, 3:30pm, Mathematics Colloquium Seminar
  Lenka Zdeborova (French Alternative Energies & Atomic Energy Commission, Mathematics), Duke Physics and Math Colloquium: Statistical Physics of Computational Problems   [abstract]

• Wednesday, February 20, 2019, 12:00pm, Applied Math And Analysis Seminar
  Haizhao Yang (National University of Singapore), Approximation theory and regularization for deep learning   [abstract] [video]

• Wednesday, February 20, 2019, 3:15pm, Number Theory Seminar
  Samit Dasgupta (Duke Univeristy), The Brumer-Stark Conjecture   [abstract] [video]

• Thursday, February 21, 2019, 11:45am, Data Dialogue
  Ed Preeble (RTI), Ed Preeble (RTI)   [abstract]

• Thursday, February 21, 2019, 4:30pm, MLBytes Workshop
  John Bralich (Infinia ML), John Bralich, Infinia ML   [abstract]

• Friday, February 22, 2019, 12:00pm, Biostatistics & Bioinformatics Seminar Series
  Jonathan Mattingly (Duke University, Mathematics), Quantifying Gerrymandering or A Mathematician goes to court   [abstract]

• Friday, February 22, 2019, 4:00pm, Algebraic Geometry Seminar
  Brian Harbourne (), Bounded negativity, H-constants and combinatorics   [abstract]

• Monday, February 25, 2019, 3:15pm, Triangle Topology Seminar
  Bulent Tosun (University of Alabama), Fillability of contact surgeries and Lagrangian discs   [abstract] [video]

• Wednesday, February 27, 2019, 12:00pm, Applied Math And Analysis Seminar
  Rong Ge (Duke University, Computer Science), Learning Two-Layer Neural Networks with Symmetric Inputs   [abstract] [video]

• Wednesday, February 27, 2019, 3:15pm, Number Theory Seminar
  Raphael Beuzart-Plessis (Marseille and Columbia), Recent progress on the Gan-Gross-Prasad and Ichino-Ikeda conjectures for unitary groups   [abstract] [video]

• Thursday, February 28, 2019, 11:45am, Data Dialogue
  Samit Sura (), Samit Sura   [abstract]

• Thursday, February 28, 2019, 3:15pm, Geometry/topology Seminar
  Simon Brendle (Columbia University, Mathematics), Singularity formation in geometric flows   [abstract] [video]

• Monday, March 4, 2019, 3:15pm, Geometry/topology Seminar
  Siqi He (Simons Center for Geometry and Physics), Classification of Nahm Pole Solutions to the KW Equations on $S^1\times\Sigma\times R^+$   [abstract] [video]

• Wednesday, March 6, 2019, 12:00pm, Applied Math And Analysis Seminar
  Haomin Zhou (Georgia Tech), Optimal Transport on Graphs with Applications   [abstract] [video]

• Wednesday, March 6, 2019, 3:00pm, Machine Learning Seminar
  Thorsten Joachims (Cornell CS Dept.), Batch Learning from Bandit Feedback   [abstract]

• Wednesday, March 6, 2019, 3:15pm, Number Theory Seminar
  Asif Zaman (Stanford), Moments of other random multiplicative functions   [abstract] [video]

• Thursday, March 7, 2019, 11:45am, Data Dialogue
  Juan Vargas (Georgia Southern University), A View of the Data Science Triage   [abstract]

• Monday, March 18, 2019, 12:00pm, Graduate/faculty Seminar
  Pam Miao Gu (), Factorization tests and algorithms arising from counting modular forms and automorphic representations   [abstract] [video]

• Monday, March 18, 2019, 3:15pm, Geometry/topology Seminar
  Mark A. Stern (Duke University, Mathematics), A coarse Cheeger inequality for 1-forms   [abstract] [video]

• Tuesday, March 19, 2019, 10:15am, Thesis Defense
  Gavin Ball (), Seven-Dimensional Geometries with Special Torsion

• Tuesday, March 19, 2019, 1:15pm, Thesis Defense
  Ashleigh Thomas (), Invariants and Metrics for Multiparameter Persistent Homology [video]

• Tuesday, March 19, 2019, 3:15pm, Gergen Lectures Seminar
  Robert V. Kohn (New York University, Courant Institute of Mathematical Sciences), A Variational Perspective on Wrinkling Patterns in Thin Elastic Sheets   [abstract]

• Wednesday, March 20, 2019, 12:00pm, Gergen Lectures Seminar
  Robert V. Kohn (New York University, Courant Institute), A Variational Perspective on Wrinkling Patterns in Thin Elastic Sheets: What sets the local length scale of tensile wrinkling?   [abstract] [video]

• Wednesday, March 20, 2019, 3:15pm, Applied Math And Analysis Seminar
  Ruiwen Shu (Maryland), Flocking hydrodynamics with external potentials   [abstract] [video]

• Thursday, March 21, 2019, 11:45am, Data Dialogue
  Libby McClure (UNC Epidemiology), Libby McClure   [abstract]

• Thursday, March 21, 2019, 12:00pm, Department of Mathematics Seminar
  Bianca Viray (University of Washington, Mathematics), Isolated points on families of curves   [abstract]

• Thursday, March 21, 2019, 3:15pm, Gergen Lectures Seminar
  Robert V. Kohn (New York University, Courant Institute), A Variational Perspective on Wrinkling Patterns in Thin Elastic Sheets: What sets the patterns seen in geometry-driven wrinkling?   [abstract] [video]

• Thursday, March 21, 2019, 4:30pm, MLBytes Workshop
  Anna Yanchenko (), Anna Yanchenko   [abstract]

• Friday, March 22, 2019, 9:00am, Thesis Defense
  Erin Beckman (), Asymptotic Behavior of Certain Branching Processes

• Friday, March 22, 2019, 3:00pm, Thesis Defense
  Ruibo Ma (), Three Interacting Partical Systems Arising from Biology

• Sunday, March 24, 2019, 3:15pm, Applied Math And Analysis Seminar
  Daryl DeFord (MIT, Computer Science and Artificial Intelligence Laboratory), TBA

• Monday, March 25, 2019, 11:00am, Thesis Defense
  Weifan Liu (), Dynamics and Steady-States of Thin Film Droplets on Homogeneous and Heterogeneous Substrates

• Monday, March 25, 2019, 12:00pm, Graduate/faculty Seminar
  Lihan Wang (), Approximation of Correctors and Multipoles in Random Elliptic Media   [abstract] [video]

• Monday, March 25, 2019, 2:00pm, Thesis Defense
  Michael Casey (), Linear Dimension Reduction for the 1-Norm Via Nonconvex Product Metrics

• Monday, March 25, 2019, 3:15pm, Triangle Topology Seminar
  Lisa Traynor (Bryn Mawr College), Legendrian Torus Links   [abstract] [video]

• Monday, March 25, 2019, 8:30pm, Thesis Defense
  Brendan Williamson (), On SDEs with Partial Damping Inspired by the Navier-Stokes Equations

• Wednesday, March 27, 2019, 11:00am, Probability Seminar
  Kavita Ramanan (Brown), Tales of Random Projections of High-dimensional Measures   [abstract] [video]

• Wednesday, March 27, 2019, 12:00pm, Applied Math And Analysis Seminar
  Siming He (Duke University), Suppression of Chemotactic collapse through fluid-mixing and fast-splitting   [abstract] [video]

• Wednesday, March 27, 2019, 3:00pm, Thesis Defense
  Ran Huo (), Voter Models on Graphs

• Wednesday, March 27, 2019, 3:15pm, Number Theory Seminar
  Michael Harris (Columbia University), L-functions and the local Langlands correspondence   [abstract] [video]

• Wednesday, March 27, 2019, 3:30pm, Machine Learning Seminar
  Maytal Saar- Tsechansky (), Maytal Saar- Tsechansky   [abstract]

• Thursday, March 28, 2019, 8:00am, Thesis Defense
  Dmitry Vagner (), Diagrammics in Compositionality and Categorification

• Thursday, March 28, 2019, 11:45am, Data Dialogue
  Zach Abzug (Duke Neurobiology), Zach Abzug   [abstract]

• Thursday, March 28, 2019, 3:00pm, Thesis Defense
  Chester Lian (), Tranverse Homology and Transverse Nonsimplicity

• Thursday, March 28, 2019, 3:15pm, Probability Seminar
  Kavita Ramanan (Brown), Beyond Mean-Field Limits: Local Dynamics on Sparse Graphs   [abstract] [video]

• Thursday, March 28, 2019, 4:30pm, MLBytes Workshop
  Daniel McDuff (Microsoft), Daniel McDuff, Microsoft   [abstract]

• Thursday, March 28, 2019, 4:30pm, Public Lectures Seminar
  Michael Harris (, Columbia University), PLUM: Mechanical Mathematicians   [abstract]

• Friday, March 29, 2019, 12:00pm, Number Theory Seminar
  Michael Harris (Columbia University), Chern classes of automorphic vector bundles   [abstract] [video]

• Friday, March 29, 2019, 2:00pm, Duke Microsoft Innovation Hub Special Machine Learning/AI Seminar
  Eric Horvitz Technical Fellow and Director of Microsoft Research (), AI Advances and Aspirations   [abstract]

• Friday, March 29, 2019, 3:15pm, Algebraic Geometry Seminar
  Ravindra Girivaru (University of Missouri - St. Louis, Mathematics), Lefschetz type theorems for algebraic cycles and vector bundles.   [abstract] [video]

• Sunday, March 31, 2019, 3:15pm, Applied Math And Analysis Seminar
  Pedro Aceves Sanchez (NC State), TBA

• Monday, April 1, 2019, 12:00pm, Graduate/faculty Seminar
  Spencer Leslie (), Intro to crystal graphs and their connections with number theory   [abstract] [video]

• Monday, April 1, 2019, 1:00pm, Thesis Defense
  Ryan Gunderson (), Riemannian 3-Manifolds with a Flatness Condition

• Wednesday, April 3, 2019, 3:00pm, Machine Learning Seminar
  David Rosenberg (Bloomberg), David Rosenberg, Bloomberg   [abstract]

• Wednesday, April 3, 2019, 3:15pm, Number Theory Seminar
  Levent Alpoge (Princeton University), The average number of rational points on odd genus two curves over \Q is bounded   [abstract] [video]

• Thursday, April 4, 2019, 11:45am, Data Dialogue
  Dennis Furlateno (Exxon Mobile), Dennis Furlateno, Exxon Mobile   [abstract]

• Friday, April 5, 2019, 1:00pm, Geometry/topology Seminar
  Jonathan Hanselman (Princeton University, Mathematics), The cosmetic surgery conjecture and Heegaard Floer homology   [abstract] [video]

• Friday, April 5, 2019, 3:15pm, Algebraic Geometry Seminar
  Izzet Coskun (U Illinois, Chicago), Brill-Noether Theorems for moduli spaces of sheaves on surfaces   [abstract] [video]

• Monday, April 8, 2019, 3:15pm, Geometry/topology Seminar
  Nathan Dowlin (Dartmouth College, Mathematics), A spectral sequence from Khovanov homology to knot Floer homology   [abstract] [video]

• Wednesday, April 10, 2019, 12:00pm, Applied Math And Analysis Seminar
  Alexander Litvak (University of Alberta), Order statistics and Mallat--Zeitouni problem   [abstract] [video]

• Wednesday, April 10, 2019, 3:00pm, Triangle Topology Seminar
  Chris Scaduto (Simons Center for Geometry & Physics), TBA   [abstract]

• Wednesday, April 10, 2019, 3:15pm, Number Theory Seminar
  Jürgen Klüners (Paderborn University), The negative Pell equation and the Cohen-Lenstra heuristic   [abstract] [video]

• Wednesday, April 10, 2019, 3:30pm, Machine Learning Seminar
  Mariana Pensky (), Mariana Pensky   [abstract]

• Thursday, April 11, 2019, 11:45am, Data Dialogue
  Chris Shartrand (Advance Auto Parts), Chris Shartrand, Advance Auto Parts   [abstract]

• Thursday, April 11, 2019, 3:15pm, Probability Seminar
  Sayan Banerjee (UNC-Chapel Hill), Singular Reflected Diffusions   [abstract] [video]

• Thursday, April 11, 2019, 4:30pm, MLBytes Workshop
  Amita Gajewar (Microsoft), Amita Gajewar, Microsoft   [abstract]

• Friday, April 12, 2019, 12:00pm, Mathematical Biology Seminar
  Veronica Ciocanel (Ohio State University, Mathematical Biosciences Institute), Stochastic and continuum dynamics in cellular transport   [abstract] [video]

• Friday, April 12, 2019, 3:15pm, Algebraic Geometry Seminar
  Max Lieblich (University of Washington, Mathematics), K3 surfaces in positive characteristic   [abstract] [video]

• Monday, April 15, 2019, 12:00pm, Applied Math And Analysis Seminar
  Benjamin Stamm (RWTH Aachen University), Efficient numerical methods for polarization effects in molecular systems   [abstract] [video]

• Monday, April 15, 2019, 12:50pm, Department of Mathematics Seminar
  Zhenhua Liu (), Stationary One-sided Area Minimizing Hypersurfaces with Isolated Singularities

• Monday, April 15, 2019, 3:15pm, Geometry/topology Seminar
  Julian Chaidez (UC Berkeley), Essential tori In spaces of symplectic embeddings   [abstract] [video]

• Tuesday, April 16, 2019, 3:00pm, CNCS Seminar
  Luis Bonilla (Universidad Carlos III de Madrid), Bifurcation theory of swarm formation   [abstract] [video]

• Wednesday, April 17, 2019, 12:00pm, Applied Math And Analysis Seminar
  Ana Carpio (Complutense University of Madrid), When topological derivatives meet regularized Gauss-Newton iterations in holographic 3D imaging   [abstract] [video]

• Wednesday, April 17, 2019, 2:00pm, Department of Mathematics Seminar
  Claire Wiebe (), Quantifying the Effects of Clustering on Election Outcomes Using Order Statistics [video]

• Wednesday, April 17, 2019, 2:30pm, Department of Mathematics Seminar
  Gary Zhou (), Elliptic Curves Over Dedekind Domains [video]

• Wednesday, April 17, 2019, 3:00pm, Machine Learning Seminar
  Yao Xie (Georgia Tech), Yao Xie, Georgia Tech   [abstract]

• Wednesday, April 17, 2019, 3:00pm, Triangle Topology Seminar
  Jen Hom (Georgia Tech), TBA

• Wednesday, April 17, 2019, 4:15pm, Department of Mathematics Seminar
  Cheryl Xuiying Wang (), Unfolding High-Dimensional Convex Polyhedra

• Wednesday, April 17, 2019, 4:45pm, Department of Mathematics Seminar
  David Geng (), Creating Musical Rubato Using Deep Learning

• Thursday, April 18, 2019, 2:00pm, Data Dialogue
  Davis Vaughan (R Studio), Simple Arrays with Davis Vaughan, R Studio   [abstract]

• Thursday, April 18, 2019, 3:15pm, Department of Mathematics Seminar
  Florian Naef (MIT), A real description of brackets and cobrackets in string topology   [abstract] [video]

• Friday, April 19, 2019, 3:15pm, Algebraic Geometry Seminar
  Sebastian Casalaina-Martin (University of Colorado), Distinguished models of intermediate Jacobians   [abstract] [video]

• Monday, April 22, 2019, 12:00pm, Graduate/faculty Seminar
  Paul Bendich (), Topology and Geometry for Tracking and Sensor Fusion   [abstract] [video]

• Monday, April 22, 2019, 3:00pm, Department of Mathematics Seminar
  Irina Cristali (), Poisson Percolation on the Square Lattice

• Wednesday, April 24, 2019, 12:00pm, Applied Math And Analysis Seminar
  Stefan Steinerberger (Yale University), Wasserstein Distance as a Tool in Analysis   [abstract] [video]

• Wednesday, April 24, 2019, 3:15pm, Number Theory Seminar
  Ayla Gafni (University of Rochester), Extremal primes for elliptic curves without complex multiplication   [abstract] [video]

• Thursday, April 25, 2019, 3:15pm, Probability Seminar
  Johan Brauer (City University of London), The Stabilisation of Equilibria in Evolutionary Game Dynamics through Mutation   [abstract] [video]

• Thursday, April 25, 2019, 3:30pm, Gergen Lectures Seminar
  Christopher Hacon (University of Utah, Mathematics), On the geometry of algebraic varieties   [abstract]

• Friday, April 26, 2019, 12:00pm, Gergen Lectures Seminar
  Christopher Hacon (University of Utah, Mathematics), Birational geometry in characteristic $p>5$   [abstract]

• Friday, April 26, 2019, 3:15pm, Algebraic Geometry Seminar
  Nils Bruin (Simon Fraser University), Prym varieties of genus four curves   [abstract] [video]

• Monday, April 29, 2019, 12:00pm, Applied Math And Analysis Seminar
  P-E Jabin (University of Maryland), Quantitative estimates of propagation of chaos for stochastic systems   [abstract] [video]

• Tuesday, April 30, 2019, 1:00pm,
  Hoted by Galen Reeves (), STA 741/ECE 741 Compressed Sensing and Related Topics Poster Session   [abstract]

• Thursday, May 2, 2019, 12:30pm, Applied Math And Analysis Seminar
  Bruce Donald (Duke University), Some mathematical and computational challenges arising in structural molecular biology   [abstract] [video]

• Friday, May 10, 2019, 12:00pm, Sensing, Signals, and Communications Seminar
  Viveck R. Cadambe (), Coded Distributed Computing with Viveck R. Cadambe   [abstract]

• Wednesday, May 22, 2019, 11:00am, Algebraic Geometry Seminar
  Caryn Werner (), Classification of Godeaux surfaces   [abstract]