Computational Mathematics and Scientific Computing Seminar
The seminar webpage has moved to: https://cims.nyu.edu/dynamic/calendars/seminars/computational-mathematics-and-scientific-computing-seminar/
The Computational Mathematics and Scientific Computing seminar will be in person at the usual time of Fridays at 10am unless otherwise noted. In rare cases we have zoom talks and then the zoom link to join the seminar will be sent to the seminar mailing list. Contact the organizers if you haven't received the Zoom link.
To subscribe to the seminar mailing list, please see here.
Seminar Organizer(s): Benjamin Peherstorfer and Georg Stadler
Upcoming Events for Fall 2023
There are no upcoming events currently scheduled for Fall 2023.
Past Events
-
DEC 910AM, Warren Weaver Hall 1302
Special AOS/NASC: tbd
Pierre Lermusiaux, Massachusetts Institute of Technology -
NOV 1110AM, Warren Weaver Hall 1302
tbd
Alex Barnett, Center for Computational Mathematics, Flatiron Institute, Simons Foundation -
NOV 410AM, Warren Weaver Hall 1302
Solvers for H(curl) and H(div) with optimal complexity in polynomial degree
Patrick Farrell, University of Oxford -
OCT 2810AM, Warren Weaver Hall 1302
Fast Boundary Element Methods to simulate underwater explosions and their interactions with submarines
Stephanie Chaillat, ENSTA Paris -
OCT 2110AM, Warren Weaver Hall 1302
Inference, Computation, and Games
Florian Schäfer, Georgia Tech -
OCT 1410AM, Warren Weaver Hall 1302
Variable Projection Methods for Separable Nonlinear Inverse Problems
Malena Espanol, Arizona State University -
OCT 710AM, Warren Weaver Hall 1302
Derivative-Free Bayesian Inference for Large Scale Inverse Problem
Daniel Zhengyu Huang, California Institute of Technology -
SEP 3010AM, Warren Weaver Hall 1302
Randomized matrix-free quadrature
Tyler Chen, CIMS -
SEP 1610AM, Warren Weaver Hall 1302
Bilevel learning for inverse problems
Juan Carlos De los Reyes, Escuela Politécnica Nacional -
MAY 610AM, Warren Weaver Hall 1302
Accelerating Outer Loop Problems with Geometry Exploiting Parametric Neural Network Surrogates
Tom O'Leary-Roseberry, Oden Institute, UT Austin -
APR 2910AM, Online
Machine Learning and Dynamical Systems
Qianxiao Li, National University of Singapore -
APR 2210AM, Warren Weaver Hall 1302
Stabilizing Dynamical Systems in the Scarce Data Regime
Steffen Werner, Courant, New York University -
APR 1510AM, Online
On model reduction for tomographic inverse problems
Herbert Egger, Johannes Kepler University Linz -
APR 810AM, Warren Weaver Hall 1302
Optimal Stochastic Trace Estimation
Christopher Musco, New York University -
APR 712:30PM, Warren Weaver Hall 1302
Special MSG/NASC: Information-theoretic formulation of turbulence: causality, modeling and control
Adrian Lozano Duran, Massachusetts Institute of Technology -
APR 110AM, Warren Weaver Hall 1302
Linear Multistep Methods for Learning Unknown Dynamics
Qiang Du, Columbia University -
MAR 1110AM, Warren Weaver Hall 1302
Direct solvers for integral equations in broadband applications
Abi Gopal, Yale University -
MAR 410AM, Warren Weaver Hall 1302
Rods and springs: large scale computational mechanics on active cytoskeletal assembly
Wen Yan, Biophysical Modeling, CCB, Flatiron Institute -
FEB 2510AM, Online
Neural-Network Approaches for High-Dimensional Optimal Control Problems
Lars Ruthotto, Emory University -
FEB 1810AM, Online
Solving PDEs in space-time: 4D tree-based adaptivity, mesh-free and matrix-free approaches
Hari Sundar, University of Utah -
FEB 1110AM, Online
Leveraging concepts from stochastic simulation and machine learning for efficient Bayesian inference
Ruth Baker, University of Oxford -
2021
-
DEC 1010AM, Warren Weaver Hall 1302
Jet marching methods for numerical geometric acoustics
Sam Potter, Courant NYU -
NOV 1910AM, Online
Modeling Hydrodynamic Fluctuations in Non-equilibrium Gas Mixtures during Effusion
Ishan Srivastava, Lawrence Berkeley National Laboratory -
NOV 1210AM, Online
Scalable algorithms for environmental seismology
Eileen Martin, Colorado School of Mines -
NOV 510AM, Online
Recent advances in high order entropy stable discontinuous Galerkin schemes
Jesse Chan, Rice University -
OCT 2910AM, Warren Weaver Hall 1302
WaveHoltz: Wave Based Iterative Scheme for Helmholtz Problems
Fortino Garcia, Courant, NYU -
OCT 2210AM, Warren Weaver Hall 1302
Methods for simulating large collections of active droplets
David Stein, Biophysical Modeling, CCB, Flatiron Institute -
OCT 1510AM, Online
High-precision computation of Wasserstein barycenters in low dimension: beyond gridding
Jason Altschuler, Massachusetts Institute of Technology -
OCT 110AM, Warren Weaver Hall 1302
Black-Box finite element analysis
Daniele Panozzo, Courant, NYU -
SEP 2410AM, Warren Weaver Hall 1302
How can you tell if a (wobbly) framework is rigid?
Miranda Holmes-Cerfon, Courant, NYU -
SEP 1710AM, Warren Weaver Hall 1302
Computationally efficient MCMC using local surrogate models
Andrew Davis, Courant, NYU -
APR 3010AM, Warren Weaver Hall online
A posteriori error estimation in time stepping methods
Emil M. Constantinescu, Argonne National Laboratory -
APR 2310AM, Warren Weaver Hall online
Applying GMRES to the Helmholtz equation with strong trapping: how does the number of iterations depend on the frequency?
Euan Spence, University of Bath -
APR 1610AM, Warren Weaver Hall online
Optimal local approximation spaces for generalized finite element methods
Robert Scheichl, Heidelberg University -
APR 910AM, Warren Weaver Hall online
Finite volume schemes based on central WENO reconstructions
Gabriella Puppo, Sapienza University of Rome -
APR 210AM, Warren Weaver Hall online
Deep learning for molecular physics
Frank Noe, FU Berlin -
MAR 2610AM, Warren Weaver Hall online
Provably entropy stable subcell finite volume shock capturing for high order spectral element discontinuous Galerkin methods
Gregor Gassner, University of Cologne -
MAR 1210AM, Warren Weaver Hall online
Computing disconnected bifurcation diagrams of partial differential equations
Patrick Farrell, University of Oxford -
FEB 2610AM, Warren Weaver Hall online
Efficient numerical methods for polarization effects in molecular systems
Benjamin Stamm, RWTH Aachen University -
FEB 1910AM, Online
Transport methods for data assimilation and likelihood-free inference
Youssef Marzouk, Massachusetts Institute of Technology -
FEB 1210AM, Warren Weaver Hall online
A few things I learned about modelling the Covid 19 pandemic
Yvon Maday, University Pierre and Marie Curie -
2020
-
DEC 1110AM, Warren Weaver Hall (online)
Operator inference: A posteriori error estimation for reduced models learned from data and non-Markovian correction terms
Wayne Isaac Uy, Courant Institute of Mathematical Sciences, New York University -
DEC 410AM, Warren Weaver Hall (online)
Optimal Sensor Placement and Quantification of Model Uncertainty via Model Order Reduction
Karen Veroy-Grepl, Eindhoven University of Technology -
NOV 2010AM, Warren Weaver Hall (online)
Neural network Hessian approximation using the fast multipole method
George Biros, Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin -
NOV 1310AM, Warren Weaver Hall (online)
Multiphase flow modeling: Control and optimization of wave energy converter devices
Amneet Bhalla, San Diego State University -
NOV 610AM, Warren Weaver Hall (online)
Algorithms for Generating Initial Guesses for Sequences of Linear Systems in a GPU-Accelerated Incompressible Flow Solver
Tim Warburton, Virginia Polytechnic Institute and State University -
OCT 3010AM, Warren Weaver Hall (online)
Empirical Bayesian Inference using Joint Sparsity
Anne Gelb, Dartmouth College -
OCT 2310AM, Warren Weaver Hall (online)
Stable approximations of solutions of PDEs by neural networks
Philipp Petersen, University of Vienna -
OCT 1610AM, Warren Weaver Hall (online)
Some Results on Force-Directed Drawings of Graphs
John Urschel, Massachusetts Institute of Technology -
OCT 210AM, Warren Weaver Hall (online)
Low-rank updates of matrix functions
Daniel Kressner, Swiss Federal Institute of Technology in Lausanne (EPFL) -
SEP 2510AM, Warren Weaver Hall (online)
Efficient Probabilistic Tsunami Hazard Assessment using Clustering and Multi-resolution Modeling
Randall J LeVeque, Applied Mathematics, University of Washington -
SEP 1810AM, Warren Weaver Hall (online)
Multigrid Methods for Computing Low-Rank Solutions to Parameter-Dependent Partial Differential Equations
Howard Elman, University of Maryland -
MAR 610AM, Warren Weaver Hall 1302
An upwind hybridized discontinuous Galerkin methods: theory and application to atmospheric flows and magnetohydrodynamics
Tan Bui, University of Texas, Austin -
FEB 2810AM, Warren Weaver Hall 1302
Direct solution of systems with rank-structured matrices
Daria Sushnikova, CIMS -
FEB 2110AM, Warren Weaver Hall 1302
Approximating low-rank eigenpairs of matrix-valued linear operators
Nicola Guglielmi, Gran Sasso Science Institute, Italy -
FEB 1410AM, Warren Weaver Hall 1302
Computation of regularity, stability and passivity distances for dynamical systems with port-Hamiltonian structure
Volker Mehrmann, TU-Berlin -
FEB 710AM, Warren Weaver Hall 1302
Stochastic Gradient Descent: General Analysis and Improved Rates
Robert Gower, Facebook -
2019
-
DEC 1310AM, Warren Weaver Hall 1302
Computing the Kreiss Constant of a Matrix
Tim Mitchell, Max Planck Institute, Magdeburg -
DEC 610AM, Warren Weaver Hall 1302
Contour Integral Methods for Nonlinear Eigenvalue Problems: A System Theoretic Approach
Mark Embree, Virginia Tech -
NOV 2910AM, Location TBA
THANKSGIVING BREAK
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NOV 2210AM, Warren Weaver Hall 1302
Random-then-Greedy Procedure: From Empirical Risk Minimization to Gradient Boosting Machine
Hai-hao (Sean) Li, Google Research and University of Chicago -
NOV 1510AM, Location TBA
No seminar
-
NOV 810AM, Warren Weaver Hall 1302
Reynolds-robust preconditioning for the incompressible Navier-Stokes equations
Florian Wechsung, Courant Institute -
NOV 110AM, Warren Weaver Hall 1302
Limited-Memory BFGS with Displacement Aggregation
Albert Berahas, Lehigh -
OCT 2510AM, Warren Weaver Hall 1302
Directional H2-matrices for Helmholtz problems with complex frequencies
Maria Lopez Fernandez, Sapienza University, Rome -
OCT 1810AM, Warren Weaver Hall 1302
Machine Learning in adaptive domain decomposition methods -- predicting the geometric location of constraints
Axel Klawonn, Cologne -
OCT 1110AM, Warren Weaver Hall 1302
Control-theoretic models of environmental crime
Alexander B. Vladimirsky, Cornell -
SEP 2710AM, Warren Weaver Hall 1302
A new framework for solving Lyapunov (and other matrix) equations
Heike Fassbender, TU Braunschweig -
SEP 2010AM, Warren Weaver Hall 1302
Data-driven modeling for dynamical systems
Serkan Gugercin, Virginia Tech -
SEP 1310AM, Warren Weaver Hall 1302
Minimal realization and model reduction of structured systems
Peter Benner, Max Planck Institute, Magdeburg -
MAY 310AM, Warren Weaver Hall 1302
The generalized null space decomposition and its implications for computing the Jordan form
Michael Overton, NYU Courant -
APR 2610AM, Warren Weaver Hall 1302
Model uncertainty issues in nonlinear inverse problems
Kui Ren, Columbia -
APR 1910AM, Warren Weaver Hall 1302
Optimization of Phase-Field Damage Evolution
Winni Wollner, Darmstadt -
APR 1210AM, Warren Weaver Hall 1302
Four “better” ways to solve the Navier-Stokes equations: simulation of Richardson pair dispersion, ensemble discretization methods, an auxiliary equation approach for UQ, and filtered regularizations
Max Gunzburger, Florida State -
MAR 2910AM, Warren Weaver Hall 1302
Scalable Optimization Algorithms for Large-scale Subspace Clustering
Daniel Robinson, Johns Hopkins University -
MAR 1510AM, Warren Weaver Hall 1302
Fractional PDEs: Optimal Control and Applications
Harbir Antil, George Mason University -
FEB 2210AM, Warren Weaver Hall 1302
Reduced Order Methods for PDEs: state of the art and perspectives with applications in Industry, Medicine and Environmental Sciences
Gianluigi Rozza, SISSA -
FEB 1510AM, Warren Weaver Hall 1302
Dimensionality Reduction of Nonlinear Waves Using Transport and Radon Transform
Donsub Rim, Columbia University -
FEB 810AM, Warren Weaver Hall 1302
Dimension-Robust MCMC Methods for Bayesian Inversion
Matt Dunlop, CIMS -
FEB 110AM, Warren Weaver Hall 1302
Primal-Dual Interior Methods for Nonlinear Optimization
Philip Gill, UCSD -
2018
-
DEC 1410AM, Warren Weaver Hall 1302
An L-1 Augmented Lagrangian Algorithm and Why, at Least Sometimes, it is a Very Good Idea
Andrew Conn, IBM Watson Research Center -
DEC 710AM, Warren Weaver Hall 1302
Fast, High-Fidelity Methods for Simulation of Particulate Flows
Shravan Veerapaneni, University of Michigan -
NOV 3010AM, Warren Weaver Hall 1302
Numerical Solution of Two-Phase Flow in Porous Media at the Pore Scale
Beatrice Riviere, Rice University -
NOV 910AM, Warren Weaver Hall 1302
Optimal Transport for Seismic Inversion: Tackling the Nonlinearity
Yunan Yang, Courant -
NOV 210AM, Warren Weaver Hall 1302
High Order Accurate Compact Finite Difference Scheme for Wave Equation in General Shaped Domains using Simple Meshes
Eli Turkel, Tel Aviv University -
OCT 2610AM, Warren Weaver Hall 1302
Dynamic Coupling of Full and Reduced Models via Randomized Online Basis Updates
Benjamin Peherstorfer, Courant -
OCT 1910AM, Warren Weaver Hall 1302
Moment Limiters for the Discontinuous Galerkin Method on Unstructured Meshes
Andrew Giuliani, Courant -
OCT 510AM, Warren Weaver Hall 1302
Surveillance-Evasion Games Under Uncertainty
Alexander Vladimirsky, Cornell -
SEP 2810AM, Warren Weaver Hall 1302
Numerical Computation with Rational and Harmonic Functions
Nick Trefethen, Oxford and NYU Courant -
SEP 2110AM, Warren Weaver Hall 1302
Interpolatory Methods for Robust Control of Dynamical Systems
Matthias Voigt, TU Berlin -
MAY 410AM, Warren Weaver Hall 1302
How to Characterize the Worst-Case Performance of Algorithms for Nonconvex Optimization
Frank E. Curtis, Lehigh University -
APR 2710AM, Warren Weaver Hall 1302
An accurate and fast solver for high-frequency wave propagation
Matthias Taus, MIT -
APR 2010AM, Warren Weaver Hall 1302
Non-holonomic stability and rotation with zero angular momentum: Demonstrations of driving stability and of the falling cat phenomenon go sour
Andy Ruina, Cornell -
APR 1310AM, Warren Weaver Hall 1302
Polynomial approximations of the region of attraction of a polynomial control system
Didier Henrion, Toulouse -
APR 610AM, Warren Weaver Hall 1302
Continuous analogues of Krylov methods for differential operators
Alex Townsend, Cornell -
MAR 3010AM, Warren Weaver Hall 1302
On the Evaluation of Sums of Periodic Gaussians
Andrei Osipov, Shaw Research -
MAR 2310AM, Warren Weaver Hall 1302
A fast direct solution technique for boundary value problems on locally perturbed geometries
Adrianna Gillman, Rice University -
MAR 910AM, Warren Weaver Hall 1302
Optimal model reduction: An interpolatory framework
Serkan Gugercin, Virginia Tech -
MAR 210AM, Warren Weaver Hall 1302
Pattern Formation on the Sphere
Hadrien Montanelli, Columbia -
FEB 2310AM, Warren Weaver Hall 1302
Graph Partitioning using Matrix Differential Equations
Nicola Guglielmi, Gran Sasso Science Institute, Italy -
FEB 1610AM, Warren Weaver Hall 1302
The Summation-by Parts Property: Provably Stable Discretizations of Hyperbolic Partial Differential Equations
David Zingg, University of Toronto -
FEB 910AM, Warren Weaver Hall 1302
Support Function Based Optimization of Eigenvalues
Emre Mengi, Koç University, Turkey -
FEB 211AM, 60 Fifth Avenue 150
Special CS Colloquium: Data-Driven Multifidelity Methods for Monte Carlo Estimation
Benjamin Peherstorfer, University of Wisconsin-Madison -
JAN 2610AM, Warren Weaver Hall 1302
Fabrication-Aware Geometry Processing
Daniele Panozzo, Courant -
2017
-
DEC 1510AM, Warren Weaver Hall 1302
A Hybridizable Discontinuous Galerkin solver for axisymmetric plasma equilibrium
Tonatiuh Sanchez-Vizuet, Courant -
DEC 810AM, Warren Weaver Hall 1302
High Performance Sparse Linear Algebra
Erin Carson, Courant -
DEC 110AM, Warren Weaver Hall 1302
Parallelizable Approach for Optimization Problems with Orthogonality Constraints
Xin Liu, Chinese Academy of Sciences -
NOV 2410AM, Warren Weaver Hall 1302
Thanksgiving
No seminar -
NOV 1710AM, Warren Weaver Hall 1302
Scalable Integral Equation Methods for Elliptic Boundary Value Problems
Dhairya Malhotra, CIMS -
NOV 1010AM, Warren Weaver Hall 1302
An Optimal Control Framework for Efficient Training of Deep Neural Networks
Lars Ruthotto, Emory University -
NOV 310AM, Warren Weaver Hall 1302
Accelerated conditional gradient methods for continuous sparse optimization problems
Konstantin Pieper, Florida State University -
OCT 2710AM, Warren Weaver Hall 1302
Convexification Techniques for Global Optimization of Mixed-Integer Nonlinear Optimization Problems
Aida Khajavirad -
OCT 2010AM, Warren Weaver Hall 1302
Courant Instructor Day
No seminar -
OCT 1310AM, Warren Weaver Hall 1302
Isogeometric Analysis and Domain Decomposition
Olof Widlund, Courant -
OCT 610AM, Warren Weaver Hall 1302
Untangling the nonlinearity in inverse scattering using data-driven reduced order models
Liliana Borcea, University of Michigan -
SEP 2910AM, Warren Weaver Hall 1302
On the solution of elliptic partial differential equations on regions with corners
Kirill Serkh, Courant -
SEP 2210AM, Warren Weaver Hall 1302
Pursuing Rapid Convergence for Gradient Sampling-like Methods for Nonsmooth Optimization
Lucas Simões, University of Campinas, Brazil -
SEP 1510AM, Warren Weaver Hall 1302
Low-rank methods for PDE-constrained optimization under uncertainty
Peter Benner, Max Planck Institute, Magdeburg -
SEP 810AM, Warren Weaver Hall 1302
Some new vector spaces of possible linearizations for matrix polynomials
Heike Fassbender, University of Braunschweig -
MAY 1210AM, Warren Weaver Hall 1302
Numerical Aspects of Flow Stabilization by Riccati Feedback
Heiko Weichelt, The Mathworks, UK -
MAY 510AM, Warren Weaver Hall 1302
Fast Algorithms for Robust Stability Measures
Tim Mitchell, Max Planck Institute, Magdeburg -
APR 2810AM, Warren Weaver Hall 1302
A Space Decomposition Framework for Nonlinear Optimization
Luis Nunes Vicente, University of Coimbra & Rice University -
APR 2110AM, Warren Weaver Hall 1302
Should you derive, or let the data drive? A stochastic optimization approach for model mis-specification mitigation
Lior Horesh, IBM TJ Watson -
APR 1410AM, Warren Weaver Hall 1302
Approximate Versions of the Alternating Direction Method of Multipliers (ADMM)
Jonathan Eckstein, Rutgers -
APR 710AM, Warren Weaver Hall 1302
Sketchy Decisions: Convex Low-Rank Matrix Optimization with Optimal Storage
Madeleine Udell, Cornell -
MAR 3110AM, Warren Weaver Hall 1302
Variable Coefficients and Numerical Methods for Electromagnetic Waves
Lise-Marie Imbert-Gerard, CIMS -
MAR 2410AM, Warren Weaver Hall 1302
Anderson Acceleration: Convergence Theory and Numerical Experience
Tim Kelley, NCSU -
MAR 1010AM, Warren Weaver Hall 1302
Clustered Particle Filtering for High Dimensional Non-Gaussian Systems
Yoonsang Lee, CIMS -
MAR 310AM, Warren Weaver Hall 1302
Anisotropic Multiscale Systems on Bounded Domains
Gitta Kutyniok, TU-Berlin -
FEB 242:30PM, Warren Weaver Hall 109
**Special Time** Domain Decomposition: From Poisson to Coupled Multi-physics Problems
Xiao-Chuan Cai, University of Colorado at Boulder -
FEB 1710AM, Warren Weaver Hall 1302
Simulating semi-flexible fiber suspensions in Stokes flow applied to cell mechanics
Ehssan Nazockdast, Simons -
FEB 1010AM, Warren Weaver Hall 1302
Computational Methods for Storm Surge Modeling
Kyle Mandli, Columbia -
FEB 310AM, Warren Weaver Hall 1302
Incremental methods for additive convex cost optimization
Mert Gurbuzbalaban, Rutgers -
JAN 2710AM, Warren Weaver Hall 1302
Solving Conic Optimization Problems with MOSEK
Erling Andersen, MOSEK -
2016
-
DEC 910AM, Warren Weaver Hall 1302
Optimization methods for optimal transport in imaging
Dirk Lorenz, TU-Braunschweig -
DEC 211:30AM, Warren Weaver Hall 1302
Model reduction for edge-weighted personalized PageRank
David Bindel, Cornell University -
NOV 1810AM, Warren Weaver Hall 1302
Fast convolution with free-space Green’s functions
Felipe Vico, Universidad Politecnica de Valencia -
NOV 1110AM, Warren Weaver Hall 1302
Data assimilation by the Ensemble Kalman filter and other particle filters — why are 50 ensemble members enough?
Matti Morzfeld, University of Arizona at Tucson -
NOV 410AM, Warren Weaver Hall 1302
A fluctuating boundary integral method for Brownian suspensions
Aleks Donev, CIMS -
OCT 2810AM, Warren Weaver Hall 1302
From Dominant Eigenspace Computation to Orthogonal Constrained Optimization Problems
Xin Liu, Chinese Academy of Sciences and CIMS -
OCT 710AM, Warren Weaver Hall 1302
Cubature, approximation, and isotropy in the hypercube
Nick Trefethen, University of Oxford and CIMS -
SEP 2310AM, Warren Weaver Hall 1302
Mesh-free finite difference methods for fully nonlinear elliptic equations
Brittany Froese, NJIT -
SEP 1610AM, Warren Weaver Hall 1302
Fast Approximation of the Stability Radius and the H-infinity Norm for Large-Scale Linear Dynamical Systems with Output Feedback
Michael Overton, CIMS -
SEP 910AM, Warren Weaver Hall 1302
On the Linear Convergence of the Frank-Wolfe Algorithm
Javier Pena, Carnegie Mellon University -
MAY 2010AM, Warren Weaver Hall 1302
Randomized Algorithms for Matrix Decomposition
Yariv Aizenbud, Tel Aviv University -
MAY 1310AM, Location TBA
No Seminar
-
MAY 610AM, Warren Weaver Hall 1302
Finite Elements Methods on Non-Aligned Meshes for High Contrast Interface Problems
Marcus Sarkis, Worcester Polytechnic Institute -
APR 2910AM, Warren Weaver Hall 1302
A Sparse Linear Programming method for Optimal Transportation
Adam Oberman, McGill University -
APR 2210AM, Warren Weaver Hall 1302
Challenges in Multivalued Matrix Functions
Nick Higham, University of Manchester -
APR 1510AM, Warren Weaver Hall 1302
Level Set Methods in Convex Optimization
James Burke, University of Washington -
APR 810AM, Location TBA
**CANCELLED** Incremental Methods for Additive Convex Cost Optimization
Mert Gurbuzbalaban, MIT -
APR 110AM, Warren Weaver Hall 1302
Communication Lower Bounds for Loop Nests
Nicholas Knight, CIMS -
MAR 2510AM, Warren Weaver Hall 1302
Complexity Analysis of Root Clustering for a Complex Polynomial
Chee Yap, CIMS -
MAR 1110AM, Warren Weaver Hall 1302
A Novel Skew-Symmetric Discontinuous Galerkin based Approach for Non-linear Conservation Laws: High Resolution, High Performance Computing and Robustness
Gregor Gassner, University of Cologne -
MAR 410AM, Warren Weaver Hall 1302
Inverse medium scattering with multiple frequency data and multiple angles of incidence
Carlos Borges, CIMS -
FEB 2610AM, Warren Weaver Hall 1302
A generic acceleration scheme for large-scale gradient-based optimization
Zaid Harchaoui, CIMS -
FEB 1910AM, Warren Weaver Hall 1302
3D Eddy-current tomography of deposits in steam generators
Kamel Riahi, NJIT -
FEB 510AM, Warren Weaver Hall 1302
Eigenvalue Attraction
Ramis Movassagh, IBM Yorktown Heights -
2015
-
DEC 152PM, Warren Weaver Hall 101
(CS Colloquium, Tuesday) Nonsmooth Optimization via Piecewise Differentiation
Andreas Griewank, Yachay Tech, Ecuador and Humboldt University, Berlin -
DEC 1110AM, Warren Weaver Hall 1302
Transport of probability measures in high dimensions with applications to Bayesian inference
Alessio Spantini, MIT -
DEC 73:45PM, Warren Weaver Hall 1302
(Joint CS and Math Colloquium, Monday) Coordinate Descent Algorithms
Stephen J. Wright -
DEC 410AM, Warren Weaver Hall 1302
Parallel Computing and Numerical Optimization
Jonathan Eckstein, Rutgers -
NOV 2710AM, Warren Weaver Hall 1302
Thanksgiving
No seminar -
NOV 2010AM, Warren Weaver Hall 1302
On Nonsingular Saddle-Point Systems with a Maximally Rank-Deficient Leading Block
Chen Greif, UBC -
NOV 1310AM, Warren Weaver Hall 1302
Balancing Domain Decomposition by Constraints methods: state-of-the-art, current implementation in PETSc and future perspectives.
Stefano Zampini, KAUST -
NOV 610AM, Warren Weaver Hall 1302
Core-Chasing Algorithms for Eigenvalue Computation
David Watkins, Washington State University -
OCT 3010AM, Warren Weaver Hall 1302
Predicting Extreme Events in Fluid Turbulence with the Instanton Formalism: Numerical Computation of Large Deviation Minimizers
Tobias Grafke, CIMS -
OCT 2310AM, Warren Weaver Hall 1302
Merits and Pitfalls of Splitting Methods
Alexander Ostermann, University of Innsbruck -
OCT 1610AM, Warren Weaver Hall 1302
Avoiding Communication in Krylov Subspace Methods
Erin Carson, CIMS -
OCT 910AM, Warren Weaver Hall 1302
Fast Steerable Principal Component Analysis and Its Applications
Jane Zhao -
OCT 210AM, Warren Weaver Hall 1302
Courant Instructor Day
No seminar -
SEP 2510AM, Warren Weaver Hall 1302
No seminar
No seminar -
SEP 1810AM, Warren Weaver Hall 1302
Euler-Maclaurin, Gregory, and Other Equally Spaced Interpolants
Nick Trefethen, Oxford and CIMS -
MAY 810AM, Warren Weaver Hall 1302
Extreme-scale nonlinear Stokes solvers, with application to flow simulations in Earth's mantle
Georg Stadler, CIMS -
APR 1710AM, Warren Weaver Hall 1302
Variable coefficient and volume integral for Helmholtz equation
Lise-Marie Imbert-Gerard, CIMS -
APR 310AM, Warren Weaver Hall 1302
Numerical Modeling of Vesicle Electrohydrodynamics in Three Dimensions
Ebrahim M. Kolahdouz, SUNY Buffalo -
MAR 274PM, Warren Weaver Hall 102
Fast algorithms based on asymptotic expansions of special functions
Dr. Alex Townsend, MIT -
MAR 2710AM, Warren Weaver Hall 1302
On the evaluation of prolate spheroidal wave functions and associated quadrature rules
Andrei Osipov, Yale -
MAR 2010AM, Warren Weaver Hall 1302
Spring break -
MAR 610AM, Warren Weaver Hall 1302
Finite Element Exterior Calculus and Applications.
Richard Falk, Rutgers-New Brunswick -
FEB 2010AM, Warren Weaver Hall 1302
Universality in numerical computations with random data
Thomas Trogdon, CIMS -
2014
-
DEC 510AM, Warren Weaver Hall 1302
An immersed-boundary method for suspensions of rigid bodies
Aleksandar Donev, Courant Institue -
NOV 2110AM, Warren Weaver Hall 1302
Time Reversal for the Inverse problem of locating sources and obstacles
Eli Turkel, Tel Aviv University -
NOV 1410AM, Warren Weaver Hall 1302
Multigrid Methods for Saddle Point Problems.
Duk-Soon Oh, Rutgers -
NOV 710AM, Warren Weaver Hall 1302
Scalable finite element viscous flow solvers on octree meshes, with application to ice sheet dynamics
Tobin Isaac, University of Texas at Austin -
OCT 3110AM, Warren Weaver Hall 1302
Upwind methods for second order wave equations.
Thomas Hagstrom, Southern Methodist University -
OCT 1710AM, Warren Weaver Hall 1302
BDDC deluxe domain decomposition algorithms
Olof Widlund, Courant Institute -
OCT 1010AM, Warren Weaver Hall 1302
A class of Laplacian multiwavelets bases for high-dimensional data
Nir Sharon, Tel Aviv -
OCT 310AM, Warren Weaver Hall 1302
Courant Instructor Day
No seminar -
SEP 2610AM, Warren Weaver Hall 1302
Asymptotically compatible discretization of parametrized variational problems with applications to nonlocal models
Qiang Du, Columbia University -
SEP 1910AM, Warren Weaver Hall 1302
A level-set based mesh evolution method for shape optimization
Charles Dapogny, Rutgers, New Brunswick -
SEP 1210AM, Warren Weaver Hall 1302
Probabilistic Tsunami Hazard Assessment
Randall J LeVeque, University of Washington -
MAY 1512PM, Warren Weaver Hall 1302
** THURSDAY talk at 12:00pm ** Computational Problems in Tensors
Shmuel Friedland, University of Illinois, Chicago -
MAY 210AM, Warren Weaver Hall 1302
Multi-level Iterative Methods and Temporal Parallelism
Mike Minion, Stanford University -
APR 2511AM, Warren Weaver Hall 1302
Calculating Electrical and Thermal Conductivities in a Hydrogen Plasma with Classical and Quantum Molecular Dynamics
Christian Scullard, Lawrence Livermore National Laboratory -
APR 1810AM, Warren Weaver Hall 1302
Finite-difference Gaussian Rules for Dirichlet-to-Neumann Operators, Perfectly Matched Layers and Inverse Problems
Vladimir Druskin, Schlumberger Doll Research -
APR 1110AM, Warren Weaver Hall 1302
Extended Sparsification and Hierarchical Compression Based Fast Direct Solvers
Sivaram Ambikasaran, CIMS -
APR 410AM, Warren Weaver Hall 1302
Multiple Eigenvalues in Stability Analysis
Oleg Kirillov, Helmholtz-Zentrum Dresden-Rossendorf -
MAR 2810AM, Warren Weaver Hall 1302
Increased Accuracy of Immersed Boundary Methods Using Fourier Approximations of Delta Functions
Robert Guy, University of California, Davis -
MAR 710AM, Warren Weaver Hall 1302
Spectrally Accurate Direct Solution of Variable-media Scattering Problems Via Impedance Maps
Alex Barnett, Dartmouth College -
FEB 2810AM, Warren Weaver Hall 1302
Graph Expansion and Communication Complexity of Algorithms
Olga Holtz, UC Berkeley, TU-Berlin and IAS -
FEB 2110AM, Warren Weaver Hall 1302
Efficient Simulation of Gas Flow in a Pipe Network (Techniques and Theory in Model Order Reduction)
Sara Grundel, Max Planck Institute -
FEB 711:30AM, Warren Weaver Hall 1302
**CS Colloquium at 11:30am**
Doug James, Cornell University -
2013
-
DEC 1310AM, Warren Weaver Hall 1302
Recent Progress on the Search of 3D Euler Singularities
Thomas Hou, California Institute of Technology -
DEC 610AM, Warren Weaver Hall 1302
A Multifrequency Method for the Shape Reconstruction of 2D Scatterers
Carlos Borges, CIMS -
NOV 2910AM, Warren Weaver Hall 1302
No speaker Nov 29
No speaker Nov 29 -
NOV 2210AM, Warren Weaver Hall 1302
Crouzeix's Conjecture
Anne Greenbaum, University of Washington -
NOV 1510AM, Warren Weaver Hall 1302
Discontinuous Galerkin with Peace-wise Constant Fluxes for Diffusion Equations
Yuri Kuznetsov, University of Houston -
NOV 810AM, Warren Weaver Hall 1302
Nonsymmetric Preconditioning for Symmetric Linear Equations and Eigenvalue Problems
Andrew Knyazev, Mitsubishi Electric Research Laboratories -
OCT 2510AM, Warren Weaver Hall 1302
Nonsmooth Slope, Alternating Projections, and Trajectories of Steepest Descent
Adrian Lewis, School of ORIE, Cornell University -
OCT 1810AM, Warren Weaver Hall 1302
Seminar Cancelled
Seminar Cancelled -
OCT 1110AM, Warren Weaver Hall 1302
A Staggered Discontinuous Galerkin Method for the Stokes System and its Fast Solvers by Domain Decomposition Methods
Hyea Hyun Kim, Kyung Hee University, Korea -
OCT 410AM, Warren Weaver Hall 1302
Continuous Analogues of Matrix Factorizations
Alex Townsend, University of Oxford -
SEP 2710AM, Warren Weaver Hall 1302
Francis's Algorithm
David Watkins, Washington State University -
SEP 2010AM, Warren Weaver Hall 1302
Algorithms Based on Analytic Function Values at Roots of Unity
Nick Trefethen, Oxford University and CIMS -
SEP 1310AM, Warren Weaver Hall 1302
A Nasty Cone with Nice Properties - New Issues in Copositive Optimization
Immanuel Bomze, University of Vienna -
APR 2611:30AM, Warren Weaver Hall 1302
**held at 11:30am** System-Theoretic Model Reduction for Nonlinear Systems
Peter Benner, Max Planck Institute, Magdeburg -
APR 1910AM, Warren Weaver Hall 1302
Time-stepping Schemes for Nonsmooth Rigid Multibody Dynamics
Florian Potra, University of Maryland, Baltimore County -
APR 1210AM, Warren Weaver Hall 1302
Nonreflecting Boundaries for Water Wave Problems
Smadar Karni, University of Michigan -
MAR 2910AM, Warren Weaver Hall 1302
Quadrature by Expansion: A New Method for the Evaluation of Layer Potentials
Andreas Kloeckner, CIMS -
MAR 2210AM, Warren Weaver Hall 1302
No Speaker March 22
No Seminar March 22 -
MAR 1510AM, Warren Weaver Hall 1302
Robust Methods for Large-Scale Inverse Problems
Aleksandr Aravkin, IBM Watson Research Center -
MAR 810AM, Warren Weaver Hall 1302
The Interplay of Convexity and Algorithmic Algebra in Optimization and Systems Analysis
Amir Ali Ahmadi, IBM Watson Research Center -
MAR 110AM, Warren Weaver Hall 1302
No Seminar March 1
No Seminar March 1 -
FEB 2210AM, Warren Weaver Hall 1302
Linear Rational Interpolation Done Unwisely (But Efficiently)
Stefan Guettel, The University of Manchester -
FEB 1510AM, Warren Weaver Hall 1302
Accurate and Efficient Numerical Methods for High-frequency 3D Wave Scattering and Periodic Geometries
Alexander Barnett, Dartmouth College -
FEB 810AM, Warren Weaver Hall 1302
Stable and Accurate Integral Equation Methods for Elliptic Problems with Multiple Material Interfaces in Two Dimensions
Leslie Greengard, CIMS -
FEB 110AM, Warren Weaver Hall 1302
Jet Schemes and Gradient-Augmented Level Set Methods
Benjamin Seibold, Temple University -
2012
-
DEC 103:45PM, Warren Weaver Hall 1302
Gaussian Elimination As An Iterative Algorithm **Math Colloquium Mon at 3:45pm**
Nick Trefethen, Oxford University -
DEC 711:30AM, Warren Weaver Hall 1302
A Simple, Combinatorial Algorithm for Solving Laplacian Systems in Nearly-Linear Time Without Recursive Preconditioning **CS Colloquium at 11:30am**
Jonathan Kelner, MIT -
NOV 3010AM, Warren Weaver Hall 1302
A Composite Spectral Method for Variable Coefficient Elliptic PDEs with its Own Fast Direct Solver
Adrianna Gillman, Dartmouth College -
NOV 2310AM, Warren Weaver Hall 1302
No Speaker Nov 23
No Seminar Nov 23 -
NOV 169AM, Warren Weaver Hall 1302
The Search for an Efficient and Robust Solver for Large-scale Nonlinear Optimization
Daniel Robinson, Johns Hopkins University -
NOV 911:30AM, Warren Weaver Hall 1302
Communication-Avoiding Algorithms for Linear Algebra and Beyond **CS colloquium at 11:30am**
James Demmel, University of California at Berkeley -
OCT 2610AM, Warren Weaver Hall 1302
A Randomized Approximate Nearest Neighbors Algorithm
Andrei Osipov, Yale University -
OCT 1910AM, Warren Weaver Hall 1302
A Convex Perspective on Spectral Methods in Signal Processing.
Ben Recht, University of Wisconsin - Madison -
OCT 1210AM, Warren Weaver Hall 1302
Optimization on Riemannian Manifolds for Solving Rank-structured Matrix and Tensor Problems
Bart Vandereycken, Princeton University -
SEP 2810AM, Warren Weaver Hall 1302
Lagrange Newton Interpolation, Divided Differences, Splines and Sobolev Spaces
Bogdan Bojarski, Polish Academy of Sciences -
APR 2710AM, Warren Weaver Hall 1302
Evaluating Discontinuous Galerkin Methods on Many-core Architectures
Tim Warburton, Rice University -
APR 2010AM, Warren Weaver Hall 1302
A High-order Constrained Transport Method for the 3d Magnetohydrodynamic Equations
Christiane Helzel -
APR 1310AM, Warren Weaver Hall 1302
Superconvergence in Numerical Solutions: Making it Useful
Jennifer Ryan, Delft University of Technology -
APR 610AM, Warren Weaver Hall 1302
Domain Decomposition Algorithms for Some Problems Posed in H(curl)
Olof Widlund, CIMS -
MAR 3010AM, Warren Weaver Hall 1302
Moving Forward in Contact, Impact, and Dissipation: Challenges and Choices for Computing Contact-constrained Trajectories
Danny Kaufman, Columbia University -
MAR 2310AM, Warren Weaver Hall 1302
Low-frequency Electromagnetic Scattering in Multiply-connected Geometries
Michael O'Neil, CIMS -
MAR 1610AM, Warren Weaver Hall 1302
No Seminar
Spring Break -
MAR 910AM, Warren Weaver Hall 1302
How Long Does it Take to Compute the Eigenvalues of a Random Symmetric Matrix?
Christian Pfrang, Brown University -
MAR 210AM, Warren Weaver Hall 1302
Lyapunov Inverse Iteration for Identifying Hopf Bifurcations in Models of Incompressible Flow
Howard Elman, University of Maryland -
FEB 2410AM, Warren Weaver Hall 1302
New Numerical Methods for Solving the Advection Equation and Wave Propagation Problems
Haruhiko Kohno, Lehigh University -
FEB 1710AM, Warren Weaver Hall 1302
Spiny Disks, Flexible Fibers and Waving Rings: Explorations in Phytoplankton Fluid Dynamics
Lisa Fauci, Tulane University -
FEB 310AM, Warren Weaver Hall 1302
Efficient Methods for Detecting Low-rank Substructure
Aaditya Rangan, CIMS -
2011
-
DEC 910AM, Warren Weaver Hall 1302
Antibandwidth Maximization: A Map Coloring Problem
Jennifer Scott, Rutherford Appleton Laboratory, UK -
DEC 210AM, Warren Weaver Hall 1302
Using Random Models in Derivative-free Optimization
Katya Scheinberg, Lehigh University -
NOV 1810AM, Warren Weaver Hall 1302
Random Sampling Preconditioners
Haim Avron, IBM -
NOV 1110AM, Warren Weaver Hall 1302
Efficient Basis Set for Kohn-Sham Density Functional Theory
Jianfeng Lu, CIMS -
OCT 2810AM, Warren Weaver Hall 1302
Optimal Newton-type Algorithms for Large-scale Nonlinear Optimization
Coralia Cartis, University of Edinburgh -
OCT 1410AM, Warren Weaver Hall 1302
Fast Solvers for Geodynamic Flows
Scott MacLachlan, Tufts University -
OCT 710AM, Warren Weaver Hall 1302
Integral Equation Methods for Unsteady Stokes Flow
Shidong, NJIT and CIMS -
SEP 3010AM, Warren Weaver Hall 1302
Non-conforming Finite Element Methods for the Brinkman Problem and a Singularly Perturbed Fourth-order Problem
Johnny Guzman, Brown University -
SEP 2310AM, Warren Weaver Hall 1302
Computation of the Lower Spectral Radius of a Set of Nonnegative Matrices
Nicola Guglielmi, U L'Aquila -
MAY 610AM, Warren Weaver Hall No Talk
Courant 75th Anniversary
No Talk -
APR 2910AM, Warren Weaver Hall 1302
No Seminar 4/29
No Seminar -
APR 2210AM, Warren Weaver Hall 1302
No Seminar
No Seminar -
APR 1510AM, Warren Weaver Hall 1302
Algebraic Optimizable Schwarz Methods for the Solution of Banded Linear Systems and PDEs on Irregular Domains
Daniel Szyld, Temple University -
APR 810AM, Warren Weaver Hall 1302
Matrix Factorizations for Computer Network Tomography
David Bindel, Cornell -
APR 110AM, Warren Weaver Hall 1302
Aggregation of Microglia in 2D with a Gradient Weighted Moving Finite Element Method
Abigail Wacher, Durham University -
MAR 2510AM, Warren Weaver Hall 1302
Efficient Inexact Rayleigh Quotient Iteration and its Connections to the Jacobi-Davidson Method
Fei Xu, Temple University -
MAR 1810AM, Warren Weaver Hall No Talk
Spring Break
No Talk -
MAR 1110AM, Warren Weaver Hall 1302
** Seminar at 11:30am **TBA 3/11
George Biros, Georgia Tech -
MAR 410AM, Warren Weaver Hall 1302
Finite-Volume Schemes for Fluctuating Hydrodynamics
Aleksandar Donev, CIMS -
FEB 2510AM, Warren Weaver Hall 1302
Semidefinite Programming Applied to Ordering Problems
Franz Rendl, University of Klagenfurt -
FEB 1810AM, Warren Weaver Hall 1302
Recent Discontinuous Galerkin developments at ONERA
Juliet Ryan, ONERA & Paris 13 University -
FEB 1110AM, Warren Weaver Hall 1302
A Fast Algorithm for Sparse Matrix Computations Related to Inversion
Song Li, Stanford -
FEB 410AM, Warren Weaver Hall 1302
A Triangle Based Fast Multipole Method for Elastostatic Interactions in a Half Space
Zydrunas Gimbutas, CIMS -
JAN 2810AM, Warren Weaver Hall 1302
Diffraction Gratings and Photonic Crystals: New Integral Representations for Periodic Scattering and Eigenvalue Problems
Alex Barnett, Dartmouth College -
2010
-
DEC 1010AM, Warren Weaver Hall 1302
Six Myths of Interpolation and Quadrature
Nick Trefethen, Oxford University -
DEC 310AM, Warren Weaver Hall 1302
Alternating Direction Augmented Lagrangian Methods for Convex Optimization
Donald Goldfarb, Columbia University -
NOV 2610AM, Warren Weaver Hall 1302
No Seminar November 26th
no speaker -
NOV 1910AM, Warren Weaver Hall 1302
Machine-adapted Methods: High-order DG Wave Propagation on GPUs
Andreas Kloeckner, CIMS -
NOV 1210AM, Warren Weaver Hall 1302
Rank-deficient and Ill-conditioned Nonlinear Least Squares Problems
Carl T. Kelley, North Carolina State University -
NOV 510AM, Warren Weaver Hall 1302
An Algorithm for the Rapid Evaluation of Special Function Transforms
Michael O'Neil, CIMS -
OCT 2910AM, Warren Weaver Hall 1302
Low Mach Number Models in Computational Astrophysics
John Bell, Lawrence Berkeley National Laboratory -
OCT 2210AM, Warren Weaver Hall 1302
Sweeping Preconditioners for the Helmholtz Equation
Lexing Ying, University of Texas, Austin -
OCT 1510AM, Warren Weaver Hall 1302
Towards a Parallel Solver Environment for the Numerical Simulation of Arterial Wall Models
Axel Klawonn, University of Duisburg-Essen -
OCT 810AM, Warren Weaver Hall 1302
No Seminar October 8th
no speaker -
OCT 110AM, Warren Weaver Hall 1302
The Stability of GMRES Convergence, With Application to Preconditioning by Approximate Deflation
Josef Sifuentes, CIMS -
SEP 2410AM, Warren Weaver Hall 1302
No Seminar September 24th
no speaker -
SEP 1710AM, Warren Weaver Hall 1302
Fast Algorithms for Approximating the Pseudospectral Abscissa and Pseudospectral Radius
Nicola Guglielmi, University of L'Aquila -
MAY 710AM, Warren Weaver Hall 1302
Accelerating First Order Methods For Convex Optimization Problems Arising In Machine Learning
Katya Scheinberg, Columbia University -
FEB 2610AM, Warren Weaver Hall 1302
Joint Spectral Characteristics of Matrices and Semidefinite Programming
Raphaël Jungers / MIT -
FEB 1910AM, Warren Weaver Hall 1302
Graph Expansion and Communication-Optimal Algorithms
Olga Holtz / UC Berkeley, TU-Berlin and IAS -
2009
-
DEC 1110AM, Warren Weaver Hall 1302
Impossibility of Approximating Analytic Functions from Equispaced Samples
Nick Trefethen, Oxford University -
DEC 410AM, Warren Weaver Hall 109
Special Day in Memory of Isaacson and Keller
TBA -
NOV 2010AM, Warren Weaver Hall 1302
The MaxFlux Functional: Derivation, Numerics, and Application to LJ-38
Maria Cameron, New York University -
NOV 1310AM, Warren Weaver Hall 1302
Tractable Performance Bounds for Compressed Sensing
Alexandre d'Aspremont, Princeton University -
OCT 1610AM, Warren Weaver Hall 1302
Real-Time Embedded Convex Optimization
Stephen Boyd, Stanford University -
OCT 910AM, Warren Weaver Hall 1302
Domain Decomposition Methods for Almost Incompressible Elasticity
Olof Widlund, New york University -
OCT 210AM, Warren Weaver Hall 1302
Analysis of Direct Searches for Non-Lipschitzian Functions
Luis Nunes Vicente, University of Coimbra