Alex John Townsend

Prof Assoc
Mathematics · CAS

Alex John Townsend serves as Associate Professor in Mathematics at Cornell University.

145 publications
2,094 citations
24 h-index
Computer Science
Recent Papers (31)
2026-08-03 · Zenodo (CERN European Organization for Nuclear Research) · Numerical Analysis
A Proof of the Forsythe Conjecture for the Two-Step Restarted Conjugate Gradient Method
Alex TownsendProf Assoc, Mathematics · CAS
2026-08-03 · Zenodo (CERN European Organization for Nuclear Research) · Numerical Analysis
A Proof of the Forsythe Conjecture for the Two-Step Restarted Conjugate Gradient Method
Alex TownsendProf Assoc, Mathematics · CAS
2026-07-20 · Zenodo (CERN European Organization for Nuclear Research)
wias — Weak Identification of Analytic Systems
Samuel E. OttoProf Asst, Mechanical & Aerospace Engr DEPT · EN
Alex TownsendProf Assoc, Mathematics · CAS
2026-07-20 · Zenodo (CERN European Organization for Nuclear Research)
wias — Weak Identification of Analytic Systems
Samuel E. OttoProf Asst, Mechanical & Aerospace Engr DEPT · EN
Alex TownsendProf Assoc, Mathematics · CAS
2026-05-31 · arXiv (Cornell University) · Artificial Intelligence
Transpose-free linear algebra
Alex TownsendProf Assoc, Mathematics · CAS
2026-04-11 · arXiv (Cornell University) · Artificial Intelligence
Oblivious Subspace Injection Is Not Enough for Relative Error
Alex TownsendProf Assoc, Mathematics · CAS
2026-02-12 · arXiv (Cornell University) · Artificial Intelligence
Rational Neural Networks have Expressivity Advantages
Alex TownsendProf Assoc, Mathematics · CAS
2026-01-19
Expander graphs are globally synchronizing
Martin KassabovProfessor, Mathematics · CAS
Steven H. StrogatzProfessor, Mathematics · CAS
Alex TownsendProf Assoc, Mathematics · CAS
2026-01-19 · Advances in Mathematics · Computer Networks and Communications
Expander graphs are globally synchronizing
Martin KassabovProfessor, Mathematics · CAS
Steven H. StrogatzProfessor, Mathematics · CAS
Alex TownsendProf Assoc, Mathematics · CAS
2026-01-19 · Advances in Mathematics · Computer Networks and Communications
Expander graphs are globally synchronizing
Martin KassabovProfessor, Mathematics · CAS
Steven H. StrogatzProfessor, Mathematics · CAS
Alex TownsendProf Assoc, Mathematics · CAS
2025-11-21 · Linear Algebra and its Applications
Estimating a matrix's singular values with interpolative decompositions
Anil DamleProf Assoc, Computer Science DEPT · BCIS
Alex TownsendProf Assoc, Mathematics · CAS
2025-10-10 · Linear Algebra and its Applications · Computational Mechanics
Numerical instability of algebraic rootfinders
Alex TownsendProf Assoc, Mathematics · CAS
2025-09-24 · Mathematics of Control Signals and Systems · Statistical and Nonlinear Physics
The distributional Koopman operator for random dynamical systems
Alex TownsendProf Assoc, Mathematics · CAS
Yunan YangProf Asst, Mathematics · CAS
2023-02-24
Elliptic PDE learning is provably data-efficient
Alex TownsendProf Assoc, Mathematics · CAS
2022-03-22
Data-driven discovery of Green’s functions with human-understandable deep learning
Christopher EarlsProfessor, Civil & Environmental Engr DEPT · EN
Alex TownsendProf Assoc, Mathematics · CAS
2022-01-18
Learning Elliptic Partial Differential Equations with Randomized Linear Algebra
Alex TownsendProf Assoc, Mathematics · CAS
2021-07-01
Sufficiently dense Kuramoto networks are globally synchronizing
Martin KassabovProfessor, Mathematics · CAS
Steven H. StrogatzProfessor, Mathematics · CAS
Alex TownsendProf Assoc, Mathematics · CAS
2021-05-27
A GENERALIZATION OF THE RANDOMIZED SINGULAR VALUE DECOMPOSITION
Alex TownsendProf Assoc, Mathematics · CAS
2021-05-16
Data-driven Algorithms for signal processing with rational functions.
Anil DamleProf Assoc, Computer Science DEPT · BCIS
Alex TownsendProf Assoc, Mathematics · CAS
2021-03-10
Suppression of electroconvective and morphological instabilities by an imposed cross flow of the electrolyte
Alex TownsendProf Assoc, Mathematics · CAS
Donald L. KochProfessor, Chemical and Biomolecular Engr DEPT · EN
2020-12-24
The ultraspherical spectral element method
Alex TownsendProf Assoc, Mathematics · CAS
2020-08-01
Dense networks that do not synchronize and sparse ones that do
Alex TownsendProf Assoc, Mathematics · CAS
Michael StillmanProfessor, Mathematics · CAS
Steven H. StrogatzProfessor, Mathematics · CAS
2020-02-10
Anderson Acceleration Based on the $\mathcal{H}^{-s}$ Sobolev Norm for Contractive and Noncontractive Fixed-Point Operators
Yunan YangProf Asst, Mathematics · CAS
Alex TownsendProf Assoc, Mathematics · CAS
2020-01-01
Rational neural networks
Alex TownsendProf Assoc, Mathematics · CAS
2019-07-01
Fast Poisson solvers for spectral methods
Alex TownsendProf Assoc, Mathematics · CAS
2019-04-18
Chebyshev Approximation and the Global Geometry of Model Predictions
Alex TownsendProf Assoc, Mathematics · CAS
2019-01-01
A Sparse Spectral Method on Triangles
Alex TownsendProf Assoc, Mathematics · CAS
2018-10-22
Stokes' second problem and reduction of inertia in active fluids
Alex TownsendProf Assoc, Mathematics · CAS
2018-03-21
Stable Extrapolation of Analytic Functions
Alex TownsendProf Assoc, Mathematics · CAS
2018-03-01
On the singular values of matrices with high displacement rank
Alex TownsendProf Assoc, Mathematics · CAS
2017-04-05
Fast polynomial transforms based on Toeplitz and Hankel matrices
Alex TownsendProf Assoc, Mathematics · CAS