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SIAM Review has reviewed my book, Unlocking LaTeX Graphics, and did a better job of describing it than I ever have!

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Check out The Loss Function on Substack.

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Here’s my video showing how to recreate engineering computation paper in LaTeX using TikZ.

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I was quoted in the Dutch newspaper Trouw, in an article by Bas den Hond about the Leiden Declaration on Artificial Intelligence and Mathematics, which I signed along with hundreds of colleagues.

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I’m a signatory of the Leiden Declaration on Artificial Intelligence and Mathematics, which lays out principles for the responsible use of AI in mathematical research.

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Talks & Travel

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Recent Publications

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A Contract of Trust: Artificial Intelligence Usage for SIAM Journal Submissions

SIAM News, 2026

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Revisiting Approximate Leverage Score Sketching for Matrix Least Squares

arXiv, 2026

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Fast and Accurate CP-HIFI Tensor Decompositions: Exploiting Kronecker Structure

arXiv, 2026

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The Future of Math Research in the Age of AI

Silicon Reckoner, 2026

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First Proof

arXiv, 2026

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Tensor Decomposition with Unaligned Observations

SIAM Journal on Matrix Analysis and Applications, 2026

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Is it Safe to Deploy AI in Safety-Critical Systems?

Philosophical Transactions of the Royal Society A, 2025

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Taming the Chaos of Computational Experiments

SIAM News, 2025

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Tensor Decompositions for Data Science

Cambridge University Press, 2025

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The Fascinating World of 2 $\times$ 2 $\times$ 2 Tensors: Its Geometry and Optimization Challenges

arXiv, 2025

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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