Center for Computational Mathematics (CCoM) Seminars (Math 278A)

Time/Place: Tuesdays and/or Thursdays at 11am, AP&M 2402
(unless listed otherwise)
Contact: Prof. Li-Tien Cheng
Spring 2009
June 2
Speaker: Elizabeth Wong, Department of Mathematics, UC San Diego
Title: A Dual-Feasible Active-Set Method for Quadratic Programming
May 26
Speaker: Jonny Serencsa, Department of Mathematics, UC San Diego
Title: A Run Through of Navier-Stokes Existence and Uniqueness Results
May 19
Speaker: Danny McAllaster, Department of Mathematics, UC San Diego
Title: Variational Integrators
May 12
Speaker: Hailiang Liu, Department of Mathematics, Iowa State University
Title: Recovery of High Frequency Wave Fields from Phase Space Based Measurements
May 5
Speaker: Moe Ebrahimi, Department of Mathematics, UC San Diego
Title: Mixed finite elements for incompressible magneto-hydrodynamics (MHD)
April 28
Speaker: Bing Zhu, Institute for Neural Computation, UC San Diego
Title: Computational Modeling and Bifurcation Analysis of Fluidization Processes
April 21
Speaker: Harald Pfeiffer, Department of Physics, Caltech
Title: Binary black hole simulations and implicit time-stepping
April 14
Speaker: Zhongming Wang, Department of Mathematics, UC San Diego
Title: A Bloch Band Based Level Set Method for Computing the Semiclassical limit of Schrodinger Equations
April 7
Speaker: Olvi Mangasarian, Department of Mathematics, UC San Diego
Title: Privacy-Preserving Support Vector Machine Classification Via Random Kernels
March 31
Speaker: All
Title: Organizational Meeting
Winter 2009
March 10
Speaker: Joey Reed, Department of Mathematics, UC San Diego
Title: Multigrid Methods in Optimization
March 3
Speaker: Elizabeth Wong, Department of Mathematics, UC San Diego
Title: SQP Methods for Nonlinear Optimization
February 24
Speaker: Michael Ferry, Department of Mathematics, UC San Diego
Title: A Subspace Minimization Method for Constrained Optimization
February 17
No seminar today
February 10
Speaker: Ridgway Scott, Departments of Computer Science and Mathematics, University of Chicago
Title: The Mathematical Basis for Molecular van der Waals Forces
February 3
Speaker: Slava Kungertsev, Department of Mathematics, UC San Diego
Title: Inertia-Controlling Factorization
January 27
No seminar today
January 20
Speaker: Ching-Shan Chou, Department of Mathematics, UC Irvine
Title: Computation and Cell Signaling
January 13
Speaker: All
Title: Organizational Meeting
January 6
Speaker: Laurent Demanet, Department of Mathematics, Stanford University
Title: Compressive Wave Computation
Fall 2008
December 2
Speaker: Jeff Ovall, Department of Applied Mathematics, Caltech
Title: A High-Order Boundary Integral Method for Neumann Boundary Value Problems on Lipschitz Domains
November 25
Speaker: Rolf Krause, Institut fuer Angewandte Mathematik, Bonn (visiting UCSD)
Title: From Molecular Dynamics to Biomechanics: Multiscale Methods for Strongly Non-linear Problems
November 18
Speaker: Emre Mengi, Department of Mathematics, UCSD
Title: Wilkinson's Matrix Nearness Problem
November 11
Veterans Day Holiday
No Seminar
November 4
Speaker: Hieu Nguyen, Department of Mathematics, UCSD
Title: Implementing p-Version of Adaptive Finite Element Methods
October 30
(Thursday, 4:00pm, AP&M 6402, Mathematics Colloquium)
Speaker: Jichun Li, Department of Mathematics, UNLV, and IPAM
Title: Mathematical and Numerical Study of Maxwell's Equations in Negative Index Material
Host: Randy Bank
October 28
Speaker: Yunrong Zhu, Department of Mathematics, UCSD
Title: Robust Multilevel Preconditioners for PDEs with Jump Coefficients
October 21
Speaker: Philip E. Gill, Department of Mathematics, UCSD
Title: Trust-Search Methods for Unconstrained Optimization
October 14
Speaker: Joey Reed, Department of Mathematics, UCSD
Title: Benchmarking Derivative Free Optimization Algorithms
October 7
Speaker: Jiawang Nie, Department of Mathematics, UCSD
Title: Bi-Quadratic Optimization and Semidefinite Programming Relaxations
September 30
Speaker: All
Title: Organizational Meeting
Summer 2008
June 26
(Thursday, 11:00am, AP&M 2402)
Speaker: Vakhtang Putkaradze, Dept of Mathematics, Colorado State Univ
Title: Geometric mechanics of charged ribbons, or orientation-dependent nonlocal interactions along charged filaments
Host: Michael Holst
June 17
Speaker: Ari Stern, Applied and Computational Mathematics, Caltech
Title: Geometric Numerical Integration of Lagrangian Dynamics
Host: Michael Holst
Spring 2008
June 3
Speaker: John Shopple, Department of Mathematics, UCSD
Title: A Finite Element Based Level Set Method and Simulations of Stefan Problems
May 27
Speaker: Elizabeth Wong, Department of Mathematics, UCSD
Title: Conjugate-gradient preconditioners based on incomplete factorizations
May 20
Speaker: Michael Ferry, Department of Mathematics, UCSD
Title: Subspace Minimization Methods for Unconstrained Optimization
May 6
Speaker: Ryan Szypowski, Department of Mathematics, UCSD
Title: Constrained Evolution Systems
April 29
Speaker: Philip E. Gill, Department of Mathematics, UCSD
Title: Trust-region methods for large-scale unconstrained optimization
April 24
(Thursday, 11:00am, AP&M 2402)
Speaker: Luis Lehner, Department of Physics, LSU
Title: Numerical Relativity and a New Frontier: Connecting the Seen with the Unseen
Host: Michael Holst
April 22
Speaker: Hieu Nguyen, Department of Mathematics, UCSD
Title: On Constructing p-Adaptive Finite Element Methods
April 15
Speaker: Dan Reynolds, Department of Mathematics, UCSD
Title: Scalable Implicit Methods for Magnetic Fusion Modeling
April 8
Speaker: Niall O'Murchadha, Department of Physics, National University of Ireland
Title: Mathematical relativity and the black hole codes
Host: Michael Holst
April 1
Speaker: All
Title: Organizational Meeting
Winter 2008
Mar 11
Speaker: Jingfang Huang, Department of Mathematics, UNC Chapel Hill
Title: Krylov Deferred Correction and Fast Elliptic Solvers for Time Dependent Partial Differential Equations
Mar 4
Speaker: Klaus Boehmer, Philipps Universitaet, Fachbereich Mathematik und Informatik, Marburg, German
Title: Convergence for General Full Discretizations of Center Manifolds for Parabolic Differential Equations
Host: Michael Holst
Feb 26
Speaker: Rosa Pruneda, Department of Mathematics, University of Castilla-La Mancha, Spain
Title: Orthogonally Based Pivoting Transformation on Engineering Applications
Feb 19
Speaker: Ryan Szypowski, Department of Mathematics, UCSD
Title: Constraints, Semigroups, and Least-Squares Methods
Feb 12
Speaker: Olvi Mangasarian, Department of Mathematics, UCSD
Title: Exact Differentiable Exterior Penalty for Linear Programming
Feb 5
Speaker: Yingyong Qi, Qualcomm
Title: Some Image Processing Issues on the Mobile Platform
Jan 29
Speaker: Alex Bilik, Department of Mathematics, UCSD
Title: Diffuse Interface Molecular Modeling Using a Double Well Potential
Jan 22
Speaker: Elizabeth Wong, Department of Mathematics, UCSD
Title: A Direct Method for Solving Optimal Control Problems
Jan 15
Speaker: Moe Ebrahimi, Department of Mathematics, UCSD
Title: Image Inpainting
Jan 8
Speaker: All
Title: Organizational Meeting
Fall 2007
Dec 4
Speaker: Jeff Ovall, Applied and Computational Mathematics, Cal Tech
Title: Efficient and reliable error estimation for elliptic eigenvalue problems
Nov 29
11:00 am APM 2402
Speakers: Francesco Montrone (1), and Barbara Neuhierl (2), Siemens Corporate Research, Munich
Titles: Design of High Voltage Devices based on Sensitivity Analysis (1) and
The Lattice-Boltzmann-Method for Computational Aeroacoustics (2)
Nov 20
Speaker: Hieu Nguyen, Department of Mathematics, UCSD
Title: Adaptive Finite Element Methods For Solving PDEs
Nov 13
Speaker: Natalia Berloff, Applied Mathematics and Theoretical Physics, University of Cambridge
Title: Mathematical Models of Superfluids
Nov 6
Speaker: John Shopple, Department of Mathematics, UCSD
Title: The Level Set Method in a Finite Element Setting
Oct 30
Speaker: Ryan Szypowski, Department of Mathematics, UCSD
Title: Evolution Equations, Semigroups, and Galerkin Techniques
Oct 23
Speaker: Moe Ebrahimi, Department of Mathematics, UCSD
Title: Image Inpainting
To be rescheduled / UCSD closed
Oct 16
Speaker: Philip E. Gill, Department of Mathematics, UCSD
Title: Numerical Linear Algebra and Optimization
Oct 9
Speaker: Randolph E. Bank, Department of Mathematics, UCSD
Title: Convergence Analysis of a Domain Decomposition Paradigm
Oct 2
Speaker: All
Title: Organizational Meeting
Spring 2007
June 7
(Thursday, 2:00pm, AP&M 6402, Mathematics Colloquium)
Speaker: Michael Friedlander, Computer Science, University of British Columbia
Title: Exact regularization of convex programs
June 5
Speaker: Emre Mengi, Mathematics, UCSD
Title: A Backward Approach for Model Reduction
May 29
Speaker: Simon Tavener, Mathematics, Colorado State University
Title: A posteriori error estimation and adaptivity for an operator decomposition approach to conjugate heat transfer
Host: Michael Holst
May 22
Speaker: Li-Tien Cheng, Mathematics, UCSD
Title: A Level Set Method for Capturing Equilibrium Solute-Solvent Interfaces
May 17
(Thursday, 4:00pm, AP&M 6402, Mathematics Colloquium)
Speaker: Max Gunzburger, Mathematics and School of Computational Science, Florida State University
Title: Reduced-order modeling for complex systems
Host: Michael Holst
May 17
(Thursday, 11:00am, AP&M 5402)
Speaker: Max Gunzburger, Mathematics and School of Computational Science, Florida State University
Title: Least-squares finite element methods for the Poisson equation and their connection to the Dirichlet and Kelvin principles
Host: Michael Holst
May 15
Speaker: Daniel Robinson, Mathematics, UCSD
Title: Results on Updating the Barrier Parameter in Interior Point Methods
May 10
(Thursday, 3:00pm, AP&M 6402, Mathematics Colloquium)
Speaker: Lee Lindblom, Physics, Caltech
Title: New insights into gauge freedom and constraints in numerical relativity
Host: Michael Holst
May 10
(Thursday, 11:00am, AP&M 5402)
Speaker: Patrick Guidotti, Mathematics, UC Irvine
Title: Maximal Regularity and Free Boundary Problems
Host: Michael Holst
May 8
Speaker: Haomin Zhou, Mathematics, Georgia Tech
Title: Variational PDE Models in Wavelet Inpainting
May 1
Speaker: Hieu Nguyen, Mathematics, UCSD
Title: Remarks on the Local Behavior of the Finite Element Method
April 24
Speaker: Olvi Mangasarian, Mathematics, UCSD
Title: Nonlinear Knowledge in Kernel Machines
April 17
Speaker: Benjamin Schlein, Department of Mathematics, UC Davis
Title: Derivation of the Gross-Pitaevskii equation
April 10
Speaker: Jean-Paul Berrut, Department of Mathematics, University of Fribourg, Switzerland
Title: A formula for the Error of Finite Sinc--Interpolation over a Fixed Finite Interval
April 3
Speaker: All
Title: Organizational Meeting
Winter 2007
March 29
(Thursday, 11:00am, AP&M 5829)
Speaker: Olivier Sarbach, Institute of Physics and Mathematics, Universidad Michoacana
Title: Boundary Conditions for the Einstein Equations in Harmonic Coordinates
Host: Michael Holst
Mar 15
2:00 pm APM 6402
Speaker: Jinchao Xu, Department of Mathematics, Penn State University
Title: Design, Analysis and Application of Optimal PDE Solvers
Host: Michael Holst
Mar 13
Speaker: Hailiang Liu, Department of Mathematics, Iowa State University
Title: Computing Multi-valued Solutions for Euler-Poisson Equations
March 8
(Thursday, 4:00pm, AP&M 6402, Math Colloquium)
Speaker: Mohammed Ziane, Mathematics, USC
Title: Regularity results for the Navier-Stokes equations and the primitive equations of the ocean
Host: Michael Holst and Tom Bewley
Mar 6
Speaker: John Shopple, UCSD Department of Mathematics
Title: Some Progress in a Finite Element Based Level Set Method
Feb 27
Speaker: Ryan Szypowski, UCSD Department of Mathematics
Title: Semigroups and Constrained Evolution Systems
Feb 13
Speaker: Gabriel Nagy, UCSD Department of Mathematics
Title: Initial Data for Numerical Relativity
Feb 6
Speaker: Mauricio de Oliveira, UCSD Department of MAE
Title: Numerical Optimization Assisted by Noncommutative Symbolic Algebra
Feb 1
Speaker: Shih-Hsien Yu, Dept. of Mathematics, Hong Kong University
Title: On recent developments on the Green's function for the Boltzmann equation and its application to nonlinear problems
Jan 30
Speaker: Jennifer Erway, UCSD Department of Mathematics
Title: Iterative trust-region methods for large-scale optimization
Jan 22
1:00pm APM 6402
Speaker: John B. Greer, Courant Institute of Mathematical Sciences, NYU
Title: Upper bounds on the coarsening rates of discrete ill-posed nonlinear diffusions
Jan 11
(Thursday, 11:00am, AP&M 6402)
Speaker: Igor Kukavica, Mathematics, USC
Title: Conditional regularity for solutions of the Navier-Stokes equations
Host: Michael Holst/Tom Bewley
Jan 9
4:00pm APM 6402
Speaker: Dan Reynolds, UCSD Department of Mathematics
Title: Mathematical Modeling and Simulation in Fusion Energy Research
Jan 9
2:00pm APM 6402
Speaker: Jiawang Nie, IMA University of Minnesota
Title: Semidefinite and Polynomial Optimization
Fall 2006
Nov 28
Speaker: Dan Reynolds, UCSD Department of Mathematics
Title: Reformulation of the Resistive MHD System for Ensuring Discrete Preservation of Constraints
Nov 21
Speaker: Emre Mengi, UCSD Department of Mathematics
Title: Measuring Degree of Controllability of a Linear Dynamical System
Nov 14
Speaker: Zeyun Yu, UCSD Department of Mathematics
Title: Biomedical Image Processing and Geometric Modeling
Nov 7
Speaker: Axel Malqvist, UCSD Department of Mathematics
Title: Error estimation and adaptive computation for elliptic problems with randomly perturbed coefficients
Oct 31
Speaker: Yongcheng Zhou, UCSD Department of Mathematics
Title: High order numerical methods for elliptic interface problems
Oct 24
Speaker: Joachim Dzubiella, Physics Department, Technical University of Munich, Germany
Title: Classical dynamic density functional theory: Correlated Brownian motion in colloidal systems
Oct 17
Speaker: Jianwei Che, Genomics Institute of the Novartis Research Foundation
Title: High throughput docking -- How can mathematics help?
Oct 10
Speaker: Gabriel Nagy, UCSD Department of Mathematics
Title: Stability reversal in non-homogeneous static fluids in high-dimensional spaces
Oct 3
Speaker: Joshua Griffin, Computational Sciences and Mathematics Research, Sandia National Lab, Livermore
Title: An asynchronous parallel derivative-free optimization algorithm for handling general constraints
Sept 26
Speaker: Bo Li, UCSD Department of Mathematics
Title: High-Order Surface Relaxation vs. the Ehrlich-Schwoebel Effect in Thin-film Growth
Summer 2006
July 18
(Thursday, 11:00am, AP&M 7421)
Speaker: Pieter Blue, University of Toronto
Title: Global well-posedness in Sobolev space implies global existence for weighted L2 initial data for L2-critical defocusing NLS
Host: Jacob Sterbenz
Spring 2006
June 6
Speaker: Jennifer Erway, UCSD Department of Mathematics
Title: Iterative trust region methods for large scale unconstrained optimization
May 30
Speaker: Dr. Daniel Reynolds, UCSD Department of Mathematics
Title: A Fast Wave Preconditioning Approach for Implicit Ideal Magnetohydrodynamics
May 25
(Thursday, 11:00am, AP&M 6218)
Speaker: Steve Shkoller, UC Davis Department of Mathematics
Title: Well-posedness of the free-surface incompressible Euler equations with surface tension
Host: Hans Lindblad
May 23
Speaker: Dr. Long Chen, UCSD Department of Mathematics
Title: Convergence and Optimality of Adaptive Mixed Finite Element Methods
May 18
(Thursday, 11:00am, AP&M 7421)
Speaker: Ioan Bejanaru, UCLA Department of Mathematics
Title: New results for the Schroedinger Map Equation
Host: Jacob Sterbenz
May 16
Speaker: John Shopple, UCSD Department of Mathematics
Title: A finite element implementation of the level set method
May 9
Speaker: Ryan Szypowski, UCSD Department of Mathematics
Title: Least Squares Formulations of Maxwell's Equations
May 4
(Thursday, 11:00am, AP&M 7421)
Speaker: Ludmil Zikatanov, PSU Department of Mathematics
Title: On the convergence of multilevel methods for elliptic problems
Host: Michael Holst
May 2
(Tuesday, 10:00am, AP&M 7421)
Speaker: Jonatan Lenells
Title: Traveling wave solutions of the Camassa-Holm equation
Host: Hans Lindblad
May 2
Speaker: Dr. Gabriel Nagy, UCSD Department of Mathematics
Title: A Fluid Model for Black String Instability
April 27
(Thursday, 11:00am, AP&M 7421, Special Math Colloquium)
Speaker: Julius Borcea, Department of Mathematics, Stockholm University
Title: Classification of hyperbolicity and stability preservers
Host: Peter Ebenfelt
April 25
Speaker: Ana Iontcheva, UCSD Department of Mathematics
Title: Multigrid methods for the solution of the Obstacle Problem
April 18
Speaker: Daniel Robinson, UCSD Department of Mathematics
Title: Complications of a Positive Semidefinite Reduced Hessian for Augmented Lagrangian Methods
April 13
(Thursday, 4:00am, AP&M 7421, Special Math Colloquium)
Speaker: Qiang Du, PSU Department of Mathematics
Title: Phase field modeling and simulation of bio-membranes
Host: Bo Li
April 13
(Thursday, 11:00am, AP&M 7421)
Speaker: Luis Lehner, LSU Department of Physics
Title: Many directions to a black hole
Host: Michael Holst
April 11
Speaker: Professor Olvi Mangasarian, UCSD Department of Mathematics
Title: Absolute Value Equation Solution via Concave Minimization
April 6
(Thursday, 4:00am, AP&M 7421, Math Colloquium)
Speaker: Niall O'Murchadha, National University of Ireland Department of Physics
Title: The Liu-Yau quasi-local mass in spherical gravity
Host: Michael Holst
April 6
(Thursday, 11:00am, AP&M 7421)
Speaker: Manuel Tiglio, LSU Department of Physics
Title: Evolving Einstein's equations through a multiblock approach
Host: Michael Holst
April 4
Speaker: All
Title: Organizational Meeting
Winter 2006
Mar 14
Speaker: Philip E. Gill, Department of Mathematics, UCSD
Title: Iterative Solvers for PDE Constrained Optimization
Mar 7
Speaker: John Shopple
Title: Moving Interface Problems and the Level Set Method
Feb 24
(Friday, 3:00pm, AP&M 2402, Special Math Colloquium)
Speaker: Michael Westdickenberg, Institute for Applied Mathematics, Universi ty of Bonn
Title: The Entropy Condition for Hyperbolic Conservation Laws
Host: Michael Holst
Feb 23
(Thursday, 3:00pm, AP&M 7421, Math Colloquium)
Speaker: Dr. Klaus Boehmer, Philipps Universitat, Fachbereich, Marburg, Germany Mathematik und Informatik
Title: On Finite Element Methods for Fully Nonlinear Elliptic Equations of Second Order
Host: Michael Holst
Feb 21
Speaker: Maria Reznikoff, Princeton University
Title: Thermally-Driven Rare Events and Action Minimization
Host: Bo Li
Feb 14
Speaker: Jeff Ovall, Max Planck Institute for Mathematics in the Sciences
Title: Function, gradient and Hessian recovery using quadratic edge-bump functions
Feb 9
(Thursday, 4:00pm, AP&M 7421, Math Colloquium)
Speaker: Jinchao Xu, Penn State University
Title: An integrated study of discretization, adaptivity and iterative methods for solving partial differential equations
Host: Randy Bank
Feb 7
Speaker: Justin Romberg, Applied & Computational Mathematics, Caltech
Title: Signal and image recovery from incomplete and inaccurate measurements
Jan 31
Speaker: Ryan Szypowski
Title: On constrained evolution equations
Jan 24
Speaker: Professor Olvi Mangasarian, UCSD Department of Mathematics
Title: Nonlinear Knowledge in Kernel Approximation
Jan 17
Speaker: Dr. Joe Dzubiella, CTBP and UCSD Department of Chemistry and Biochemistry
Title: Coupling nonpolar and polar solvation in implicit solvent models
Host: Bo Li
Jan 10
Speaker: All
Title: Organizational Meeting
Fall 2005
Dec 1
(Thursday, 4:00pm, AP&M 7421, Math Colloquium)
Speaker: Donald Estep, CSU Mathematics
Title: Fast and Reliable Methods for Determining the Evolution of Uncertain Parameters in Differential Equations
Host: Michael Holst