**Manifold Learning on Fibre Bundles.***Numerical Analysis / CCM Seminar,*Flatiron Institute — Simons Foundation, New York City NY, March 4, 2020**Manifold Learning on Fibre Bundles.***Colloquium,*Department of Mathematics, University of Hawai'i at Mānoa, Honolulu HI, February 20, 2020**Manifold Learning on Fibre Bundles.***Colloquium,*Department of Computational and Applied Mathematics, Rice University, Houston TX, February 6, 2020**Manifold Learning on Fibre Bundles.***Colloquium,*Department of Mathematics, University of California, Davis, Davis CA, January 31, 2020__slides__**Manifold Learning on Fibre Bundles.***Colloquium,*Department of Mathematics, Massachusetts Institute of Technology, Boston MA, January 29, 2020**Manifold Learning on Fibre Bundles.***Colloquium,*School of Industrial Engineering, Purdue University, West Lafayette IN, January 21, 2020**Manifold Learning on Fibre Bundles.***Colloquium,*École Polytechnique Fédérale de Lausanne, Switzerland, January 14, 2020__slides__**Multi-Representation Manifold Learning on Fibre Bundles.***Seminar,*Department of Mathematics, The University of Utah, Salt Lake City UT, January 10, 2020**Manifold Learning on Fibre Bundles.***Colloquium,*Department of Mathematics, The University of Utah, Salt Lake City UT, January 9, 2020**Manifold Learning on Fibre Bundles.***Colloquium,*Department of Computing and Mathematical Sciences, California Institute of Technology, Pasadena CA, January 6, 2020**Manifold Learning on Fibre Bundles.***Statistics Colloquium,*Rutgers University—New Brunswick, New Brunswick-Piscataway NJ, December 16, 2019__slides__**Manifold Learning on Fibre Bundles.***Colloquium,*Courant Institute of Mathematical Sciences, New York University, New York NY, December 12, 2019**Manifold Learning on Fibre Bundles.***Colloquium,*Department of Mathematics, University of Wisconsin—Madison, Madison WI, December 2, 2019**Manifold Learning on Fibre Bundles.***Colloquium,*Department of Mathematics and Statistics, Washington University in St. Louis, St. Louis MO, November 26, 2019**Manifold Learning on Fibre Bundles.***Colloquium,*Department of Mathematics, The University of Texas at Arlington, Arlington TX, November 20, 2019**Multi-Representation Manifold Learning on Fibre Bundles.***Applied Mathematics & Analysis Seminar,*Duke University, Durham NC, September 25, 2019__slides__**Multi-Representation Manifold Learning on Fibre Bundles.***Algorithm Seminar,*Boston College, Boston MA, September 20, 2019**Multi-Representation Manifold Learning on Fibre Bundles.***Geometry/Topology Seminar,*Boston College, Boston MA, September 19, 2019**Multi-Representation Manifold Learning on Fibre Bundles.***Data Science Seminar,*Johns Hopkins University, Baltimore MD, September 11, 2019**Synchronizing Phases: Harmonic Retrieval in Cryo-Electron Microscopy.**Academy of Mathematics and Systems Science, Chinese Academy of Science, Beijing, China, July 3, 2019**Manifold Learning on Fibre Bundles.***Computational and Applied Mathematics Colloquium,*Committee on Computational and Applied Mathematics, Department of Statistics, The University of Chicago, Chicago IL, May 16, 2019__slides__**Multi-Frequency Phase Synchronization.***Applied Algebra Seminar,*Department of Mathematics, University of Wisconsin—Madison, Madison, WI, April 26, 2019__slides__**Manifold Learning on Fibre Bundles.***Geometry Seminar,*Department of Mathematics, Texas A&M University, College Station TX, March 4, 2019__slides__**Gaussian Process Landmarking on Manifolds, with an Application to Geometric Morphometrics.***Coordinated Science Laboratory (CSL) SINE Seminar,*University of Illinois at Urbana-Champaign (UIUC), Champaign IL, November 19, 2018**Synchronization Problems: Geometry Meets Learning.***Applied and Computational Mathematics Seminar,*National University of Singapore, Singapore, September 18, 2018**The Geometry of Synchronization Problems and Learning Group Actions.***Algorithms Seminar,*Duke University, Durham NC, February 16, 2017**Synchronization Problems and Manifold Learning on Fibre Bundles.***Geometry and Topology Seminar,*North Carolina State University, Raleigh NC, January 18, 2017**Synchronization Problems and the Diffusion Geometry of Shape Spaces.***Mathematical Sciences Colloquium,*Department of Mathematics, Rensselaer Polytechnic Institute, Troy NY, April 18, 2016**Geometry Processing and Visualization in Paleontology.***Visualization Friday Forum,*Duke University, Durham NC, March 11, 2016__video__**An Invitation to Geometry Processing.***Graduate/Faculty Seminar,*Duke University, September 25, 2015**Hypoelliptic Diffusion Maps.***Data Seminar,*Duke University, April 16, 2015

**Multi-Representation Manifold Learning on Fibre Bundles,***2020 Joint Mathematics Meetings,*Denver CO, January 16, 2020**Gaussian Process Landmarking on Manifolds,***Applied Math Youth Forum,*Beijing International Center for Mathematical Research, Peking University, Beijing, China, December 22, 2019__slides__**Multi-Representation Manifold Learning on Fibre Bundles,***BIRS—CMO Workshop on Computational Harmonic Analysis and Data Science,*Casa Matemática Oaxaca, Oaxaca, Mexico, October 28, 2019__slides__**Irreducible Representations and Multi-Frequency Angular Synchronization,***2019 Joint Statistical Meetings (American Statistical Association), Invited Papers Session on "Fiber Bundles in Statistical Inference and Probability",*Denver CO, July 28, 2019__slides__**Uniform-in-Time Weak Error Analysis for Stochastic Gradient Descent Algorithms via Diffusion Approximation,***9th International Congress on Industrial and Applied Mathematics, Minisymposium on "Mathematical Theory and Applications of Deep Learning",*Valencia, Spain, July 17, 2019**Semi-Riemannian Manifold Optimization,***2019 SIAM Conference on Applied Algebra and Geometry, Minisymposium on "Numerical Differential Geometry",*Bern, Switzerland, July 9, 2019**Multi-Frequency Phase Synchronization and Class Averaging for Three-Dimensional Cryo-Electron Microscopy.***Workshop on High-Dimensional Learning and Computation in Physics,*National University of Singapore, Singapore, June 22, 2019**Multi-Frequency Phase Synchronization.***The 36th International Conference on Machine Learning (ICML 2019),*Long Beach Convention Center, Long Beach CA, June 13, 2019__slides__**Multi-Frequency Phase Synchronization and Class Averaging for Three-Dimensional Cryo-Electron Microscopy.***IPAM Geometry and Learning Culminating Workshop,*Lake Arrowhead Conference Center, Lake Arrowhead CA, June 11, 2019__slides__**Multi-Frequency Phase Synchronization and Class Averaging for Three-Dimensional Cryo-Electron Microscopy.***Conference on Geometric Data Analysis,*Stevanovich Center for Financial Mathematics, The University of Chicago, Chicago IL, May 23, 2019__slides__**Gaussian Process Landmarking on Manifolds.***Geometry and Learning from Data in 3D and Beyond Workshop II: Shape Analysis,*Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles, CA, April 19, 2019__slides__**Semi-Riemannian Manifold Optimization.***2018 China-Korea International Conference on Matrix Theory with Applications (ICMTA 2018),*Shanghai University, Shanghai, China, December 19, 2018__slides__**Synchronization Problems: Geometry Meets Learning.***Twenty Years' Anniversary of the Academic Talent Program 1998—2018, Symposium on Mathematics,*Beijing, China, July 18, 2018__slides__**Gaussian Process Landmarking on Manifolds.***The 9th International Conference on Curves and Surfaces,*Arcachon, France, June 30, 2018__slides__**Gaussian Process Landmarking on Manifolds.***Daubechies64: Time, Frequency, and Everything That Follows,*Park Molenheide, Houthalen-Helchteren, Belgium, June 27, 2018**Synchronization Problems: Geometry Meets Learning.***Dynamics, Topology and Computations 2018 (DyToComp2018),*Będlewo, Poland, June 25, 2018__slides__**A Tale of Two Bases: Local-Nonlocal Regularization on Image Patches with Convolution Framelets.***SIAM Conference on Imagining Science 2018, Minisymposium on "Low Dimensional Structures in Imaging Science",*Bologna, Italy, June 7, 2018__slides__**The Geometry of Synchronization Problems and Learning Group Actions.***SIAM Conference on Imagining Science 2018, Minisymposium on "Geometry and Learning in 3D Shape Analysis",*Bologna, Italy, June 6, 2018__slides__**Synchronization: Geometry Meets Learning.***IMA Workshop on "Bridging Statistics and Sheaves",*Institute of Mathematics and its Applications, Minneapolis MN, May 22, 2018__slides____video__**Synchronization Problems: From Geometry to Learning.***Oberwolfach Workshop on "Applied Harmonic Analysis and Data Processing",*Mathematisches Forschungsinstitut Oberwolfach, Oberwolfach, Germany, March 29, 2018__slides__**Gaussian Process Landmarking on Manifolds.***The 42nd SIAM Southeastern Atlantic Sectional Conference,*Chapel Hill NC, March 10, 2018__slides__**Geometry of Synchronization Problems and Learning Group Actions.***2017 SIAM Conference on Applied Algebra and Geometry,*Atlanta GA, August 1, 2017**Manifold Learning on Fibre Bundles.***2017 Meeting of the International Linear Algebra Society,*Ames IA, July 27, 2017**Diffusion Geometry and Manifold Learning on Fibre Bundles.***2017 SIAM Annual Meeting,*Pittsburgh PA, July 11, 2017__video__**The Diffusion Geometry of Shape Spaces.***AMS Sectional Meeting: Special Session on Geometry and Topology in Image and Shape Analysis,*North Carolina State University, Raleigh NC, November 13, 2016**Machine Learning, Fibre Bundles and Biological Morphology.***Shape Anlysis and Learning by Geometry and Machine,*Institute for Pure and Applied Mathematics (IPAM), UCLA, Los Angeles CA, Feb 1, 2016__slides____video__**The Diffusion Geometry of Shape Spaces.***Triangle Area Graduate Mathematics Conference,*North Carolina State University, March 21, 2015

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*CDAC News*(July 09, 2019) - 3-D imaging, AI reveal stories hidden in shells.
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*CDAC Data Dispatches*(April 25, 2020)