October 08, 2019 
Parallel Transport Convolutional Neural Networks on Manifolds Rongjie Lai (Rensselaer Polytechnic Institute) 
Data Science Seminar 
October 03, 2019 
Language and Interaction in Minecraft Arthur Szlam (Facebook) 
Industrial Problems Seminar 
October 01, 2019 
Citizen Science and Machine Learning at Zooniverse Darryl Wright (University of Minnesota, Twin Cities) 
Data Science Seminar 
September 27, 2019 
Sampling from an Alternate Universe: Overview of Privacypreserving Synthetic Data Christine Task (Knexus Research Corporation) 
Industrial Problems Seminar 
September 24, 2019 
The Geometry of Ambiguity in Onedimensional Phase Retrieval Dan Edidin (University of Missouri) 
Data Science Seminar 
September 17, 2019 
Optimal Recovery under Approximability Models, with Applications Simon Foucart (Texas A & M University) 
Data Science Seminar 
September 17, 2019 
Nonlinear PDEs and regularization in machine learning Jeff Calder (University of Minnesota, Twin Cities) 
Recent Progress in Foundational Data Science 
September 17, 2019 
Gaussian Complexity, Metric Entropy, and the Statistical Learning of Deep Nets Andrew Barron (Yale University) 
Recent Progress in Foundational Data Science 
September 16, 2019 
Statistical Inference for HighDimensional Models via Recursive OnlineScore Estimation Runze Li (The Pennsylvania State University) 
Recent Progress in Foundational Data Science 
September 16, 2019 
Functional data analysis for activity profiles from wearable devices Ian McKeague (Columbia University) 
Recent Progress in Foundational Data Science 
September 16, 2019 
Envelope Methods Dennis Cook (University of Minnesota, Twin Cities) 
Recent Progress in Foundational Data Science 
September 16, 2019 
ML under a Modern Optimization Lens Dimitris Bertsimas (Massachusetts Institute of Technology) 
Recent Progress in Foundational Data Science 
September 10, 2019 
Taming Nonconvexity: From Smooth to Nonsmooth Problems and Beyond Ju Sun (University of Minnesota, Twin Cities) 
Data Science Seminar 
September 03, 2019 
Where and What to Look: Learning to Understand the Visual World in Autistic Brains Catherine Zhao (University of Minnesota, Twin Cities) 
Data Science Seminar 
August 22, 2019 
Old and new problems on hypercubes Fan Chung Graham (University of California, San Diego) 
Workshop for Women in Graph Theory and Applications (WIGA) 
August 19, 2019 
Introduction to teams and topics: Teams 4  6 Debra Boutin (Hamilton College), Sally Cockburn (Hamilton College), Linda Eroh (University of Wisconsin at Oshkosh), Ruth Haas (University of Hawaii at Manoa), Ortud Oellermann (University of Winnipeg), Karen Seyffarth (University of Calgary) 
Workshop for Women in Graph Theory and Applications (WIGA) 
August 19, 2019 
Introduction to teams and topics: Teams 1  3 Jill Faudree (University of Alaska), Daniela Ferrero (Texas State UniversitySan Marcos), Leslie Hogben (Iowa State University), Christine Kelley (University of Nebraska), Linda Lesniak (Western Michigan University), Gretchen Matthews (Virginia Polytechnic Institute and State University) 
Workshop for Women in Graph Theory and Applications (WIGA) 
August 19, 2019 
WIGA Goals Linda Lesniak (Western Michigan University) 
Workshop for Women in Graph Theory and Applications (WIGA) 
July 24, 2019 
Polytope algebra, tropical geometry, and Chow cohomology of toric varieties Josephine Yu (Georgia Institute of Technology) 
SageMath and Macaulay2  An Open Source Initiative 
July 24, 2019 
Normalized Antics: Polyhedral Computation in an Irrational Age Matthias Koeppe (University of California, Davis) 
SageMath and Macaulay2  An Open Source Initiative 
July 23, 2019 
MachineLearning the String Theory Landscape: Beyond SageMath and Macaulay2 YangHui He (University of London) 
SageMath and Macaulay2  An Open Source Initiative 
July 23, 2019 
Smooth Hilbert schemes Gregory Smith (Queen's University) 
SageMath and Macaulay2  An Open Source Initiative 
July 22, 2019 
Using Macaulay2 effectively in practice Michael Stillman (Cornell University) 
SageMath and Macaulay2  An Open Source Initiative 
July 22, 2019 
Proofs and computations: The story of alternating sign matrices and plane partitions in Sage Jessica Striker (North Dakota State University) 
SageMath and Macaulay2  An Open Source Initiative 
June 28, 2019 
Gordian Knotted Structures Kenneth Millett (University of California, Santa Barbara) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 28, 2019 
On some curvature energies for Legendrian knots in Heisenberg group. Marta Szumanska (University of Warsaw) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 27, 2019 
A landscape of knots Radmila Sazdanovic (North Carolina State University) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 27, 2019 
Mapping the Sawtooth: Brouwer's fixed point theorem in a tokamak fusion reactor Chris Smiet (Princeton Plasma Physics Laboratory) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 27, 2019 
Immersed flat ribbon knots José Ayala (University of Melbourne) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 27, 2019 
Equilibrium theory of elastic braids, with applications to DNA supercoiling Gert van der Heijden (Imperial College London) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 26, 2019 
Very Tiny Knots in Nature
Kenneth Millett (University of California, Santa Barbara)

Public Lecture Series 
June 26, 2019 
Public Lecture Kenneth Millett (University of California, Santa Barbara) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 26, 2019 
Folding pathways for knotted proteins Helen Wong (Claremont McKenna College) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 26, 2019 
On the Knotting Probability of Random Equilateral Polygons Kate Hake (Carleton College) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 26, 2019 
Weaving Kirchhoff Ribbons Etienne Vouga (The University of Texas at Austin) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 26, 2019 
Surfaces in Seifert fibered spaces Jennifer Schultens (University of California, Davis) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 25, 2019 
(5) Mobius invariant metric on the knot space Jun O'Hara (Chiba University) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 25, 2019 
Gradient Flows for the Möbius Energy Henrik Schumacher (RWTH Aachen University) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 25, 2019 
Dynamics of DNA supercoiling, knotting, and compaction David Swigon (University of Pittsburgh) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 25, 2019 
Approximating gradient flow evolutions of selfavoiding inextensible curves and elastic knots Soeren Bartels (AlbertLudwigsUniversität Freiburg) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 24, 2019 
On the analyticity of critical points of the Möbius energy Nicole Vorderobermeier (Universität Salzburg) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 24, 2019 
Minimal unlinking pathways as geodesics in polynomial space Renzo Ricca (Università di Milano  Bicocca) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 24, 2019 
The effects of topological entanglement and chain architecture on the mechanical properties of polymers Eleni Panagiotou (University of Tennessee) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 24, 2019 
Topological polymer models Jason Cantarella (University of Georgia) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 24, 2019 
Topological modeling of DNA recombination Mariel Vazquez (University of California, Davis) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 21, 2019 
Molecular Biology Mysteries: Protein knotting and linking due to disulfide bonds Kenneth Millett (University of California, Santa Barbara) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 21, 2019 
Smoke Ring Flow Peter Schroeder (California Institute of Technology) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 21, 2019 
Nonlinear mechanics of elastic structures: annuli Gert van der Heijden (Imperial College London) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 21, 2019 
Locally Private Bayesian Inference for Count Models Steven Wu (University of Minnesota, Twin Cities) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 21, 2019 
The Kakimizu complex of a knot Jennifer Schultens (University of California, Davis) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 21, 2019 
Gaps in Information Access in Social Networks Suresh Venkatasubramanian (The University of Utah) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 21, 2019 
How Robust are Reconstruction Thresholds for Community Detection? Ankur Moitra (Massachusetts Institute of Technology) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 21, 2019 
(4) How to define energies and residues of manifolds (From analysis to geometry) Jun O'Hara (Chiba University) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 20, 2019 
Industrial Panel Discussion on Robustness, Fairness and Privacy 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 20, 2019 
Locally private learning, estimation, inference and optimality Feng Ruan (Stanford University) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 20, 2019 
Individual Sensitivity Preprocessing for Data Privacy Rachel Cummings (Georgia Institute of Technology) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 20, 2019 
Surfaces and more Jennifer Schultens (University of California, Davis) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 20, 2019 
AverageCase Averages: Private Algorithms for Smooth Sensitivity and Mean Estimation Thomas Steinke (IBM Research Division) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 20, 2019 
Nonlinear mechanics of elastic structures: ribbons Gert van der Heijden (Imperial College London) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 20, 2019 
(3) Hadamard regularization and regularization via analytic continuation Jun O'Hara (Chiba University) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 20, 2019 
Towards Practical Notions of Individual Fairness Aaron Roth (University of Pennsylvania) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 20, 2019 
Private Algorithms for HighDimensional Gaussians Jonathan Ullman (Northeastern University) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 20, 2019 
Globally Optimal Direction Fields Peter Schroeder (California Institute of Technology) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 19, 2019 
The implicit fairness criterion of unconstrained learning Moritz Hardt (University of California, Berkeley) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 19, 2019 
The Measure and Mismeasure of Fairness Sharad Goel (Stanford University) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 19, 2019 
Fair PCA Samira Samadi (Georgia Institute of Technology) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 19, 2019 
A ComplexityTheoretic Perspective on Algorithmic Fairness Omer Reingold (Stanford University) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 19, 2019 
Molecular Biology Mysteries: Knotting and linking in Proteins Kenneth Millett (University of California, Santa Barbara) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 19, 2019 
Fairness, Accountability, and Transparency: Adventures with predictive models in criminal justice Kristian Lum (Human Rights Data Analysis Group (HRDAG)) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 19, 2019 
The Structure of Optimal Private Tests for Simple Hypotheses Audra McMillan (University of California, Berkeley) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 18, 2019 
Predictive inference with the jackknife+ Rina Barber (University of Chicago) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 18, 2019 
Classical knot invariants Jennifer Schultens (University of California, Davis) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 18, 2019 
(2) Energy of knots and regularization of divergent integrals Jun O'Hara (Chiba University) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 18, 2019 
Learning Models with Uniform Performance via Distributionally Robust Optimization John Duchi (Stanford University) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 18, 2019 
Molecular Biology Mysteries: Knotting and linking in DNA Kenneth Millett (University of California, Santa Barbara) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 18, 2019 
Mean estimation for entangled singlesample distributions PoLing Loh (University of Wisconsin, Madison) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 18, 2019 
Discrete Exterior Calculus Peter Schroeder (California Institute of Technology) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 18, 2019 
Robust Subspace Recovery with Adversarial Outliers Tyler Maunu (Massachusetts Institute of Technology) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 18, 2019 
Nonlinear mechanics of elastic structures: sheets Gert van der Heijden (Imperial College London) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 18, 2019 
Algorithmic Questions in HighDimensional Robust Statistics Ilias Diakonikolas (University of Southern California) 
Recent Themes in Resource Tradeoffs: Privacy, Fairness and Robustness 
June 17, 2019 
(1) Energies and residues of manifolds and configuration saces of polygons Jun O'Hara (Chiba University) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 17, 2019 
What is Discrete Differential Geometry? Peter Schroeder (California Institute of Technology) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 17, 2019 
Nonlinear mechanics of elastic structures: rods Gert van der Heijden (Imperial College London) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 17, 2019 
Not knot Jennifer Schultens (University of California, Davis) 
Biology, Analysis, Geometry, Energies, Links [bagel19]: A Program on Lowdimensional Topology, Geometry, and Applications 
June 07, 2019 
Student Activity: Finding your Focus in Graduate School Roy Araiza (Purdue University), Ty Frazier (University of Minnesota, Twin Cities), Richard McGehee (University of Minnesota, Twin Cities), Adrienne Sands (University of Minnesota, Twin Cities) 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 07, 2019 
Mentor Activity: Creating an Action Plan Joe Omojola (Southern University at New Orleans), William Vélez (University of Arizona) 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 07, 2019 
Panel Discussion: Emerging Opportunities for Applied Statistics and Quantitative Finance PhDs 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 07, 2019 
Make great money, change the world (for the better): PhD options in Management and Economics David Hummels (Purdue University) 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 07, 2019 
Student Activity: Handson Statistics / MachineLearning Tutorial
Alicia Johnson (Macalester College)

Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 07, 2019 
Mentor Activity: Bringing Industrial Applications to the Mathematics Classroom Galin Jones (University of Minnesota, Twin Cities) 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 07, 2019 
Lecture Vera Andreeva (University of Minnesota, Twin Cities) 
Hydrodynamic Models for Transport in 2D Materials 
June 07, 2019 
On some examples of statistical applications Javier Rojo (Oregon State University) 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 06, 2019 
Panel Discussion: Emerging Opportunities for Applied Mathematics and Data Science PhDs 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 06, 2019 
Student Activity: I know you are, but what am I? Joy Dolo (Actor and Writer), John Gebretatose (Actor and Writer) 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 06, 2019 
Mentor Activity: Attracting and Mentoring Students in A Multicultural Context Helena Noronha (California State University Northridge), Joe Omojola (Southern University at New Orleans) 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 06, 2019 
The Quite Reasonable Effectiveness of Mathematical Sciences Juan Meza (National Science Foundation) 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 06, 2019 
A spectral decomposition approach for the conductivity response of a 2D electron fluid Matthias Maier (Texas A & M University) 
Hydrodynamic Models for Transport in 2D Materials 
June 06, 2019 
Student Activity: Support Your vocals like Destiny's Child supported Beyonce Joy Dolo (Actor and Writer), John Gebretatose (Actor and Writer) 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 06, 2019 
Data Science: What is it? Why is everyone talking about it? Should you be doing it? (You probably are already) Rebecca Nugent (Carnegie Mellon University) 
Career Paths in the Mathematical Sciences: An IMA / Math Alliance Workshop 
June 06, 2019 
Electron hydrodynamics in Dirac Systems Joerg Schmalian (Karlsruhe Institute of Technology) 
Hydrodynamic Models for Transport in 2D Materials 