Status:
Personal website:
+44 1865 615319
ORCID iD:
https://orcid.org/0000-0001-7911-1501
Research groups:
Address
University of Oxford
Andrew Wiles Building
Radcliffe Observatory Quarter
Woodstock Road
Oxford
OX2 6GG
Recent Publications:
Error localization of best $L_{1}$ polynomial approximants
SIAM Journal on Numerical Analysis
issue 1
volume 59
page 314-333
(1 February 2021)
Exponential node clustering at singularities for rational approximation, quadrature, and PDEs
Numerische Mathematik
volume abs/2007.11828
(2 January 2021)
Rational neural networks
Advances in Neural Information Processing Systems 33 (NeurIPS 2020)
(12 December 2020)
An algorithm for real and complex rational minimax approximation
SIAM Journal on Scientific Computing
volume abs/1908.06001
(13 October 2020)
Full text available
Shifted CholeskyQR for computing the QR factorization of ill-conditioned matrices
SIAM Journal on Scientific Computing
issue 1
volume 42
page A477-A503
(20 February 2020)
Research interests:
Rational approximation theory
Numerical linear algebra, especially matrix eigenvalue problems
Prizes, awards, and scholarships:
Alston S. Householder Prize (2014)
Leslie Fox Prize (2011)