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We are happy to share the final draft of our forthcoming textbook which will be available in print in June 2025. Click for more…

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As March 1st, I am serving as the (Interim) SIAM Vice President for Publications.

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The 2025 SIAM Prize for Distinguished Service to the Profession is awarded to Tamara G. Kolda in recognition of her extensive leadership and service to multiple applied mathematics communities.

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My old SIAM blog posts were lost for a time, but the SIAM staff has generously resurrected them!

Here are pointers to my SIAM Blog Posts on

  1. How to Organize a SIAM minisymposium, Feb. 2014
  2. What Kind of Science Is Computational Science? A Rebuttal, Jan. 2014
  3. How and Why to Ask Good Questions During Interviews, Dec. 2013

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I will be co-chairing the 2027 SIAM Conference on Linear Algebra along with Mark Embree (Virginia Tech). The LA24 conference in Paris will be an impossible act to follow, but stay tuned.

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Talks & Travel

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Recent Publications

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Tensor Decompositions for Data Science

Cambridge University Press, 2025

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Scalable Symmetric Tucker Tensor Decomposition

SIAM Journal on Matrix Analysis and Applications, 2024

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Unlocking LaTeX Graphics: A Concise Guide to TikZ and PGFPLOTS

https://latex-graphics.com, 2024

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Tensor Decomposition Meets RKHS: Efficient Algorithms for Smooth and Misaligned Data

arXiv, 2024

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Convergence of Alternating Gradient Descent for Matrix Factorization

In Advances in Neural Information Processing Systems 36 (NeurIPS 2023), 2023

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Automating Conference Scheduling with Genetic Algorithms at CSE23 and Beyond

SIAM News, 2023

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Streaming Generalized Canonical Polyadic Tensor Decompositions

In Proceedings of Platform for Advanced Scientific Computing (PASC’23) Conference, 2023

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Introducing the New SIAM Activity Group on Equity, Diversity, and Inclusion

SIAM News, 2023

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Illustrating the Impact of the Mathematical Sciences (Poster Series)

National Academies Website, 2023

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Practical Leverage-Based Sampling for Low-Rank Tensor Decomposition

SIAM J. Matrix Analysis and Applications, 2022

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Selected Older Publications

Tensor Decompositions and Applications

SIAM Review, 2009

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Algorithm 862: MATLAB Tensor Classes for Fast Algorithm Prototyping

ACM Transactions on Mathematical Software, 2006

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An Overview of the Trilinos Project

ACM Transactions on Mathematical Software, 2005

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Optimization by Direct Search: New Perspectives on Some Classical and Modern Methods

SIAM Review, 2003

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Orthogonal Tensor Decompositions

SIAM Journal on Matrix Analysis and Applications, 2001

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Graph Partitioning Models for Parallel Computing

Parallel Computing, 2000

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A Semidiscrete Matrix Decomposition for Latent Semantic Indexing Information Retrieval

ACM Transactions on Information Systems, 1998

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Software

  • FEASTPACK - MATLAB and C codes for graph analysis, including BTER code for graph generation and our wedge sampling technique for triangle counting
  • Poblano Toolbox for MATLAB - Large-scale algorithms for unconstrained nonlinear optimization
  • HOPSPACK - A C++ hybrid optimization parallel search package for derivative-free optimization
  • MET - Memory-efficient Tucker computation (requires Tensor Toolbox)
  • Tensor Toolbox for MATLAB - Higher-order operations of multidimensional arrays
  • NOX - A C++ Nonlinear Solver Package
  • Trilinos - A suite of high-performance numerical codes (including NOX)
  • APPSPACK - A C++ derivative-free optimization package
  • SDDPACK - C and MATLAB code for the semi-discrete matrix decomposition

Contact