C. T. Kelley: Presentations

C. T. Kelley: Invited Addresses

Anderson Acceleration: Software, Storage, and a Multi-Physics Example

July 26, 2023. ICERM: Program on Acceleration and Extrapolation Methods. Brown University.

Newton's Method in Mixed Precision

March 25 2021. XSDK-MULTIPRECISION Seminar.
December 8 2021. HKBU Mathematics Conference for Faculty of Science 60th Anniversary, Hong Kong Baptist University.
Nov 13 2020. SIAM Student Chapter, Hong Kong Polytechnic University, Hong Kong, China.
Oct 16 2020. Computational and Applied Mathematics Seminar, University of Wyoming, Laramie, WY.

Anderson acceleration for nonsmooth problems

May 19 2021. Minisymposium on Theory and Practice of Extrapolation and Acceleration Methods, SIAM Conference on Applied Linear Algebra.
March 4 2021. Minisymposium on Advances in Nesterov and Anderson acceleration with applications in machine learning, SIAM Conference on Computational Science and Engineeering.

Convergence Analysis of the EDIIS Method

May 10 2018, Colloquium, Mathematics Department, City University of Hong Kong, Hong Kong, China.
May 8 2018, SIAM Conference on Applied Linear Algebra, Minisymposium on Numerical Methods for Ground and Excited State Electronic Structure Calculations, Hong Kong, China.
February 4 2018. Numerical Analysis Seminar, Dept of Applied Mathematics, Hong Kong Polytechnic University, Hong Kong, China.

Anderson Accleration

October 18 2022. Applied and Computational Mathematics Division Seminar Series, National Institute of Standards and Technology.
Jan 24 2021. Columbia University Colloquium, New York, NY.
Nov 6 2020. Oregon State University Applied Mathematics and Computation Seminar, Eugene, OR.
Jan 16 2020. Hong Kong University Applied Mathematics Colloquium, Hong Kong, China.
May 3 2019. PolyU AMA-RIKEN AIP Joint Workshop on Optimization and Machine Learning, Hong Kong, China.
April 5 2019. Colloquium, Department of Mathematics, UNC-Greensboro, Greensboro, NC.
August 4 2017. Colloquium Dept of Mathematics, Hunan First Normal University, Changsha, China.
June 7 2017. Polynomials, Kinematics, and Robotics: A conference in honor of Charles Wampler, Notre Dame University, South Bend, IN.
April 3 2017. Colloquium Department of Applied and Computational Mathematics, Rice University, Houston, TX.
March 17 2017. Courant Institute Numerical Analysis Seminar, New York, NY.
June 3 2016. 5th Workshop on Optimization and Risk Management, Hong Kong Polytechnic University, Hong Kong, China.
First Student Chapter Lecture, Hong Kong Polytechnic University, Hong Kong, China, May 16, 2014.
SIAM Conference on Computational Science and Engineering, Salt Lake City, UT, March 2015.

Hidden Constraints and Embedded Monte Carlo Simulations in Optimization

Copper Mountain Conference on Iterative Methods, April 8, 2014
Optimization 2014 Conference, Guimares, Portgual, July 28-30, 2014

Nonlinear Equations with Monte-Carlo Residuals

Minisymposium on Advances in Krylov and Extended Krylov Subspace Methods, SIAM Annual Meeting, Chicago, IL, July 9, 2014.
CUNY Applied Mathematics Symposium, New York, NY, April 25 2013.
Uni-Trier, Germany, June 14, 2013.
12th International Symposium on Distributed Computing and Applications to Business, Engineering and Science, London, England, Sept 2-4, 2013.

Hybrid Monte-Carlo/Deterministic Neutronics

Eleventh International Symposium on Distributed Computing and Applications to Business, Engineering and Science, Guilin, China, October 19--22, 2012.
Purdue University Computational and Applied Mathematics Colloquium, West Lafayette, IN, Sept 7, 2012.
Lawrence Livermore National Laboratory Seminar, Livermore CA, July 3, 2012.
2nd Workshop on Computational Mathematics, Hong Kong, China, May 25, 2012.

Sparse Interpolation and Quantum Chemistry

Minisymposium on The Realities of Using Derivative-Free Optimization Techniques, SIAM 2013 Conference on Computational Science and Engineering, Boston, MA, Feb 26, 2013.
International Symposium on Mathematical Programming, Berlin, Germany, Aug 19-24, 2012.
Minisymposium on Reduced-Order Models, SIAM Conference on Uncertainty Quantification, Raleigh, NC. April, 2012
8th International Conference on Numerical Optimization and Numerical Linear Algebra, Xia Men, China, November 7--11, 2011.
Colloquium: Hunan University, Changsha, China. July, 29, 2012.
Colloquium: University of Trier, Trier, Germany, May, 2011.
Minisymposium on Nonlinear Programming: SIAM Conference on Optimization, Darmstadt, Germany. May, 2011.
Workshop on Model Management and Reduced Order Model Approaches for Simulation Driven Optimization, Rice University, Houston, TX, October, 2010.

Model Reduction for Time-Independent PDE Simulator Calibration

Minisymposium on Practical Applications of Optimization with PDE constraints International Congress of Industrial and Applied Mathematicians, Vancouver, BC, Canada. July 2011.
Conference on Adaptive Model Reduction Methods for PDE Constrained Optimization, Rice University, May 2006
Oberwolfach conference on Nonlinear Optimization with PDE Constraints, March 2006

Rank-Deficient Nonlinear Least Squares Problems

Colloquium: Changsha University, Changsha, China. July, 29, 2012.
Sixth East Asia SIAM Conference, Kuala Lumpur, Malaysia, June 2010
Workshop for the 60th birthday of Prof. E. W. Sachs, Trier, Germany, June 2010
MBS workshop on Computational challenges in integrative biological modeling, Columbus, OH, October 2009
IFIP Working Group 2.5 Symposium, Raleigh, NC, September 2009
International Conference on Engineering and Computational Mathematics, Hong Kong, China, May 2009.

Pseudo-Transient Continuation

November 17 2017. 37th Annual Mathematics Symposium, Western Kentucky University, Bowling Green KY.
September 10 2015. Colloquium, Department of Mathematics, Tulane University, New Orleans, LA.
Outstanding Alumnus Mathematics Colloquium, Purdue University, October 10, 2013.
Oak Ridge National Laboratory, November 2008
Department of Mathematics, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil, January 2008.
Third International Conference of Applied Mathematics, Plovdiv, Bulgaria, August 2007
Dept of Computational Science, Florida State, April 2007
Computational and Applied Math Dept Rice University, March 2006
Math Dept, U So Carolina, April 2006
Hong Kong Baptist University, Feb 2006

Implicit Filtering

Hong Kong Polytechnic University, Feb 7, 2013.
ISMP, Chicago, IL, August 2009
AIM, Palo Alto, CA, October 2008
Fields Institute, Toronto, May 2008
SANDIA National Laboratories, Albuquerque, NM, June 2007
SIAM 2007 CSE Meeting, February 2007
SIAM 2006 Annual Meeting, Jul 2006
SIAM 2005 Conference on Optimization, May 2005

Optimal Design of Groundwater Remediation Systems with Sampling Methods

US Army Engineer Research and Development Center, June 2008
Hong Kong Polytechnic University, May 2008
SIAM Conference on Optimization, Boston, May 2008
Chinese University of Hong Kong, Jan 2006
SIAM-SEAS 2005 Meeting, Charleston, SC, March 2005

Continuation Algorithms for Parameter Dependent Compact Fixed Point Problems

Applied Mathematics Colloquium, University of North Carolina, Jan 2005.
7th IMACS International Symposium on Iterative Methods in Scientific Computing, Fields Institute, May 2005

Solution of the Wigner-Poisson Equations for RTDs,

2004 International Symposium on Distributed Computing and Applications
to Business, Engineering, and Science,
Session on Distributed Applications in Engineering Wuhan, China, September 15, 2004.

A Fast Continuation Method for the Ornstein-Zernike Equations

IMA, December, 2008
SIAM Annual Meeting, Minisymposium on Continuation, July 2005.
Duke University Mathematics Department, November 2004.

Optimal design using sampling methods

University of North Carolina Operations Research Seminar, Chapel Hill, NC, October 2004.

Simulation of Nondifferentiable Models for Groundwater Flow and Transport,

Computational Methods in Water Resources XIV, Chapel Hill, NC, June 14, 2004.
2004 SIAM Annual Meeting, Minisymposium on Transitioning Nonlinear, Time-dependent Codes From Explicit to Implicit Formulations, July 14, 2004.

Continuation Algorithms for Parameter-Dependent Compact Fixed Point Problems

The Boeing Company, July 1, 2004.
Sandia National Laboratory, June 22, 2004.
Columbia University, April 8, 2004.

Pseudo-transient continuation for nonsmooth nonlinear equations

Conference in honor of Homer Walker's 60th birthday, September 20, 2003.
Workshop on Solution Methods for Large-Scale Nonlinear Problems, Livermore, CA, August 2003.

Optimal design using sampling methods

Stevens Institute of Technology, Hoboken, NJ, October 23, 2002.
Second International Workshop on Optimization and Control with Applications , Tunxi, China, August 19, 2002.
SIAM 7th Conference on Optimization, Toronto, Canada, May 20-23, 2002.

Solution of Groundwater Remediation Systems with Implicit Filtering

International Symposium on Mathematical Programming, Copenhagen, DK, August 2003.
SIAM Annual Meeting, Minisymposium on Sampling Methods, June 20, 2003.
SAMSI Workshop on Simulation and Optimization, Research Triangle Park, NC, April 30, 2003.
Numerical Analysis Seminar, Computer Science Department, University of Maryland, April 1, 2003.
Workshop on Numerical Techniques for Optimization Problems with PDE Constraints, Oberwolfach, Germany. Feb 20, 2003.
The Boeing Company, Seattle, WA, Jan 21, 2003.

Pseudo-Transient Continuation

Clemson University, May 5, 2003.

Algorithmic decisions in implicit filtering

Second Workshop on Nonlinear Optimization: Theoretical Aspects of Surrogate Optimization,
Center for Mathematics - University of Coimbra,
Coimbra, Portugal, May 16-17, 2002.

Fast Algorithms for the Ornstein-Zernike Equations

Courant Institute , New York, NY, April 12, 2002.
7th Copper Mountain Iterative Methods Conference, Copper Mountain, Colorado, March 24--29, 2002.
Latsis-Symposium 2002, Iterative Solvers for Large Linear Systems ETH, Zurich, Switzerland, February 18--21, 2002.

Globally Convergent Algorithms for Nonsmooth Nonlinear Equations
in Computational Fluid Dynamics

International Conference on Recent Advances in Computational Mathematics,
Matsuyama, Japan, October 10--13, 2001.

Theory and Applications of Implicit Filtering

NC State Numerical Analysis Seminar, August 28, 2001.
20th IFIP TC7 CONFERENCE ON System Modelling and Optimization ,
Trier, Germany, July 27, 2001.

Fast Algorithms for Nonlinear Compact Fixed Point Problems,

Texas Institute for Computational and Applied Mathematics , Austin, Texas, January 23, 2001.

Nonlinear Solvers and Preconditioners in Groundwater Flow Simulations

Universität Trier, Trier, Germany, February 8, 2001.
Center for Subsurface Modeling , Austin, Texas, January 23, 2001.
University of Kentucky Center for Computational Sciences , October 18, 2000.
University of Houston , August 16, 2000.
2000 SIAM Annual Meeting, Minisymposium on Mathematical Modeling and Numerical Simulation of Subsurface and Surface Flow Problems, July 12, 2000.
Courant Institute, New York University New York, NY, Oct 15, 1999.
Lawrence Livermore National Laboratory, Livermore, CA, Oct 4, 1999.
US Army Waterways Experiment Station, Vicksburg MS, Sept 28, 1999
Chinese University of Hong Kong, Hong Kong, China, May 24, 1999

An Integro-Partial-Differential-Algebraic Equation for Powder Consolidation

Workshop on Solution Methods for Large Scale Nonlinear Problems ,
Pleasanton, CA., July 27, 2000.

Optimization of Noisy Functions and the Implicit Filtering Algorithm

First Sino-Japan Optimization Meeting, Hong Kong, China, October 27, 2000
First SIAM Conference on Computational Science and Engineering, Washington, DC, September 22, 2000
17th International Symposium on Mathematical Programming, Atlanta, GA, August 9, 2000.
2000 SIAM Annual Meeting, Minisymposium on Optimization and Engineering Applications, Rio Grande, Puerto Rico, July 13, 2000
Sandia National Laboratory, Livermore, CA, April 25, 2000
University of the Philippines, Quezon City, Philippines, Quezon City, Philippines, March 18, 2000
Rice University, Houston, TX, February 21, 2000

Convergence Behavior for Krylov Space Linear Solvers: Examples and Applications

Fourth International Congress on Industrial and Applied Mathematics,
Edinburgh, Scotland, July 5--9, 1999

Implicit Filtering: Theory and Implementation

City University of Hong Kong, Hong Kong, China, May 26, 1999

Sampling Methods that Approximate Gradients,

City University of Hong Kong, Hong Kong, China, May 19, 1999

National Chiao Tung University, Hsin-Chu, Taiwan, December 21, 1998

Direct Search Methods and Approximate Gradients
Minisymposium on Recent Advances in Direct Search Methods, Sixth SIAM Conference on Optimization, Atlanta, GA, May 10, 1999
Noisy Optimization Problems: Applications and Methods,
Interational Mathematics Conference and Annual Meeting of the Taiwan Math Society, National Taiwan Normal University, Taipei, Taiwan, December 20, 1998
Multilevel Methods for Conductive-Radiative Heat Transfer,
University of North Carolina Applied Mathematics Seminar,
Chapel Hill, NC, November 6, 1998.
Sampling Methods that Approximate Gradients,
INFORMS Fall Meeting, Seattle, WA, October, 1998.
Implicit Filtering and Quadratic Models,
Approximate Models Workshop, Rice University, Houston, TX. February 19, 1998.
Convergence Analysis of Pseudo-Transient Continuation, Department of Mathematics Colloquium, Worcester Polytechnic Institute, Worcester, MA, October 31, 1997.
The Simplex Gradient and Noisy Optimization Problems , AFOSR Workshop on Optimization and Control, Arlington, VA, October 3, 1997
Detection and Remediation of Stagnation in the Nelder-Mead Algorithm Using a Sufficient Decrease Condition, Graduiertenkolleg Mathematische Optimierung, Universität Trier, Trier, Germany, April 29, 1997.
Nonlinear Equations: Applications, Algorithms, Software, Short course on nonlinear equations: Sommerschule über Nichtlineare Gleichungssysteme , Hamburg, Germany, March 17, 1997
Linear Compact Fixed Point Problems. First of a series of three talks on modern numerical methods for compact fixed point problems, National Chiao Tung University, Hsin-Chu, Taiwan. July 29, 1996.
Nonlinear Problems. Second of a series of three talks on modern numerical methods for compact fixed point problems, National Chiao Tung University, Hsin-Chu, Taiwan. July 31, 1996.
Applications. Third of a series of three talks on modern numerical methods for compact fixed point problems, National Chiao Tung University, Hsin-Chu, Taiwan. July 31, 1996.
Trust Region Methods for Boundary Control Problems, July, 14--20 1996. International Conference on Control and Estimation of Distributed Parameter Systems, Vorau, Austria.
Design of Automotive Valve Trains with Implicit Filtering, May 20, 1996. Mininisymposium on Multidisciplinary Design Optimization, SIAM Conference on Optimization, Victoria, BC, Canada.
Solution of the Pressure Head Form of Richards' Equation by the Method of Lines, September 14, 1995. DOE Workshop on Iterative Methods for Large Scale Nonlinear Problems, Logan, Utah.
Solution of Noisy Paramater ID Problems with Implicit Filtering, July 17, 1995. IMA Summer program on Large Scale Optimization, IMA, Minneapolis, MN.
Superlinear Convergence of GMRES, July 3, 1995. Graduiertenkolleg Mathematische Optimierung, Universität Trier, Trier, Germany.
Linear and Nonlinear Solvers for Codes for Flow in Porous Media, March 29, 1995. Department of Environmental Sciences and Engineering, University of North Carolina, Chapel Hill, NC.
Implicit Filtering and Noisy Optimization Problems, November 15 1994. ICASE, NASA Langley Research Center, Hampton, VA.
Implicit Filtering and Noisy Optimization Problems, October 25, 1994. IFIP/WG 2.5: Workshop on Current Issues in Numerical Software, Raleigh, NC.
Implicit filtering and noisy optimal design problems, August 16, 1994. Minisymposium on Useful Nonstandard Methods: 15th International Symposium on Mathematical Programming, Ann Arbor, Michigan.
Implicit Filtering and Noisy Optimal Design Problems, April 9, 1994. Workshop on Optimal Design, Blacksburg VA.
Implicit Filtering Methods for Noisy Optimization Problems, January 26, 1994. University of North Carolina at Wilmington.
Multilevel Source Iteration Accelerators for the Linear Transport Equation in Slab Geometry, October 28, 1993. Argonne National Laboratory.
Multilevel source iteration accelerators for the linear transport equation in slab geometry, August 5, 1993. Lawrence Livermore National Laboratory.
Identification of the Support of Nonsmoothness, February 16, 1993. Conference on Large Scale Optimization, Gainesville, FL.
Multilevel Projected Newton-like Algorithms for Optimal Control Problems, September 18, 1992. Minisymposium on Numerical Methods in Optimal Control, SIAM Conference on Control and its Applications, Minneapolis, Minnesota.
Iterative Methods for Compact Fixed Point Problems, July 23, 1992. Minisymposium on Iterative methods for large-scale nonlinear systems, SIAM National Meeting, Los Angeles, California.
Nonlinear Problems in Computer Aided Design for Microwave Devices, June 15, 1992. Universität Trier, Trier, Germany.
Multilevel Algorithms for Constrained Optimal Control Problems, April 12, 1992. Copper Mountain Conference on Iterative Methods, Copper Mountain, Colorado.
Nondifferentiable Optimization in Competitive Systems, November 4, 1991. Special session on nonlinear programming, ORSA/TIMS National Meeting, Anaheim, California.
Fast Algorithms for Compact Fixed Point Problems, September 10, 1991. 16. Symposium on Operations Research, Universität Trier, Trier, Germany.
Adaptive Multilevel Methods for Compact Fixed Point Problems, July 9, 1991. Minisymposium on Parallel Computing and Optimization, International Conference on Industrial and Applied Mathematics, Washington, D. C.
Fast Algorithms for Nonsmooth Compact Fixed Point Problems, June 10, 1991. Universität Trier, Trier, Germany.
Pointwise quasi-Newton Methods for Control, May 14, 1991. Special session on nonlinear programming, ORSA/TIMS National Meeting, Nashville, Tennessee.
Convergence Properties of Broyden's Method in Infinite Dimensional Spaces, January 28, 1991. Rice University, Houston, Texas.
Pointwise Quasi-Newton Methods for Optimal Control Problems, November 7, 1990. Second SIAM Conference on Linear Algebra, Signals, Systems, and Control, Minisymposium on Numerical Aspects of Optimal Control, San Francisco, CA.
Convergence Properties of Broyden's Method in Infinite Dimensional Spaces, November 2, 1990. Colorado State University, Fort Collins, CO.
Secant methods in Banach Spaces, October 30, 1990. Special session on nonlinear programming, ORSA/TIMS National Meeting, Philadelphia, PA.
Convergence Properties of Broyden's Method in Infinite Dimensional Spaces, September 10, 1990. Institute of Statistical Mathematics, Tokyo, Japan.
Convergence Properties of Broyden's Method in Infinite Dimensional Spaces, September 7, 1990. Kyoto University, Kyoto, Japan.
Convergence Properties of Broyden's Method in Infinite Dimensional Spaces, September 5, 1990. Kyushu University, Fukuoka, Japan.
Fast Algorithms for Compact Fixed Point Problems, September 1, 1990. International Symposium on Computational Mathematics, Ehime University, Matsuyama, Japan.
Fast Quasi-Newton Methods for Control, July 17, 1990. SIAM Annual Meeting, Minisymposium on Numerical Methods in Control, Chicago, IL.
Superlinear Convergence Results for Broyden's Method for Nonlinear Equations in Banach Spaces, June 1, 1990. Universität Trier, Trier, Germany.
Mesh Independent, Globally Convergent Algorithms for Noninear Equations in Banach Spaces, October 16, 1989. Special session on nonlinear programming, ORSA/TIMS National Meeting, New York, NY.
Fast Newton-like Methods for Control Problems, August 28, 1989. DOE Miniconference on Newton-like Methods for Large Scale Nonlinear Systems, Logan, Utah.
Sequential Quadratic Programming for Parameter Identification Problems, June 26, 1989. 5th IFAC Symposium on Control of Distributed Parameter Systems, Perpignan, France.
Fast Newton-like Methods for Control Problems, June 22, 1989. International Conference on Numerical Methods in Optimization and Optimal Control, Trier, Germany.
Fast Algorithms for Nonlinear Integral Equations, June 19, 1989. Universität Trier, Mathematics Department, Trier, Germany.
Fast Algorithms for Integral Equations in Transport Theory, May 22, 1989. 11th International Conference on Transport Theory, Blacksburg, VA.
Quasi-Newton Methods in Function Spaces, May 12, 1989. Courant Institute, New York, NY.
Fast Algorithms for Nonlinear Integral Equations, April 13, 1989. Worcester Polytechnic Institute, Worcester, MA.
Fast Algorithms for Nonlinear Integral Equations, April 4, 1989. SIAM Conference on Optimization, Minisymposium on Infinite Dimensional Problems, Boston, MA.
Fast Algorithms for Some Boundary Control Problems, November 11, 1988. Virginia Polytechnic Institute and State University, Blacksburg, VA.
Operator Prolongation Methods for Nonlinear Equations, July 21, 1988. AMS-SIAM Summer Seminar in Applied Mathematics, Computational Solution of Nonlinear Systems of Equations.
Newton-like Methods in Banach Spaces, February 9, 1988. Center for Applied Mathematics, Purdue University.
Newton-like Methods in Banach Spaces, October 24, 1987. Combined Midwest-Southeast Differential Equations Conference, Vanderbilt University, Nashville, TN.
Pointwise Quasi-Newton Methods for Integral Equations, June 24, 1987. Workshop on Algorithmic Methods in Optimal Control and Parameter Identification, Universität Trier, Trier, Germany.
The method in Slab Geometries with Polynomial Basis, March 25, 1987. Tenth International Conference on Transport Theory, La Jolla, CA.
Pointwise Quasi-Newton Methods and Some Applications, July 11, 1986. International Conference on Control of Distributed Parameter Systems, Vorau, Austria.
Pointwise Quasi-Newton Methods, March 19, 1986. Southern Methodist University, Dallas, Texas.
Pointwise Quasi-Newton Methods, March 17, 1986. Rice University, Houston, Texas.
The Method and the Singular Value Decomposition, June 13, 1985. Ninth International Conference on Transport Theory, 6/13/85, Montecatini Terme, Italy.
Algorithm Design on Microcomputers: Iterative Methods for Problems with Singular Jacobian, May 21, 1985. ARO Workshop on Microcomputers in Large Scale Scientific Computation, Newark, Delaware.
Applications of the Method to Transport Calculations, May 1983. Eighth International Conference on Transport Theory, Blacksburg, Virginia.
Newton's Method at Singular Points, April 18, 1981. Old Dominion University, Norfolk, VA.
Approximate Methods for Exit Distribution Problems in Inhomogeneous Slabs, May 1981. Seventh International Conference on Transport Theory, Lubbock, Texas.
Newton's Method at Singular Points, May 15, 1980. Georgia Institute of Technology, Atlanta, GA.
Solution of H-equations by Iteration, April 1979. Sixth International Conference on Transport Theory, Tuscon, Arizona.

Last modified: July 29, 2008
C. T. Kelley , Tim_Kelley@ncsu.edu