Robert S. Womersley

Publication Activity (10 Years)

Years Active: 1985-2023
Publications (10 Years): 8

Top Topics

Regularized Least Squares

Quasi Monte Carlo

Top Venues

J. Comput. Appl. Math.

J. Approx. Theory

SIAM J. Numer. Anal.

Publications

Jan Hamann, Quoc Thong Le Gia, Ian H. Sloan, Robert S. Womersley
Removing the mask - reconstructing a scalar field on the sphere from a masked field. CoRR (2023)
Yuguang Wang, Robert S. Womersley, Hau-Tieng Wu, Wei-Hsuan Yu
Numerical computation of triangular complex spherical designs with small mesh ratio. J. Comput. Appl. Math. 421 (2023)
Johann S. Brauchart, Peter J. Grabner, Ian H. Sloan, Robert S. Womersley
Needlets Liberated. CoRR (2022)
Kerstin Hesse, Ian H. Sloan, Robert S. Womersley
Local RBF-based penalized least-squares approximation on the sphere with noisy scattered data. J. Comput. Appl. Math. 382 (2021)
Xiaojun Chen, Robert S. Womersley
Spherical Designs and Nonconvex Minimization for Recovery of Sparse Signals on the Sphere. SIAM J. Imaging Sci. 11 (2) (2018)
Johann S. Brauchart, Alexander B. Reznikov, Edward B. Saff, Ian H. Sloan, Yuguang Wang, Robert S. Womersley
Random Point Sets on the Sphere - Hole Radii, Covering, and Separation. Exp. Math. 27 (1) (2018)
Quoc Thong Le Gia, Ian H. Sloan, Yuguang Wang, Robert S. Womersley
Needlet approximation for isotropic random fields on the sphere. J. Approx. Theory 216 (2017)
Kerstin Hesse, Ian H. Sloan, Robert S. Womersley
Radial basis function approximation of noisy scattered data on the sphere. Numerische Mathematik 137 (3) (2017)
Congpei An, Xiaojun Chen, Ian H. Sloan, Robert S. Womersley
Corrigendum: Regularized Least Squares Approximations on the Sphere Using Spherical Designs. SIAM J. Numer. Anal. 52 (4) (2014)
Johann S. Brauchart, Edward B. Saff, Ian H. Sloan, Robert S. Womersley
QMC designs: Optimal order Quasi Monte Carlo integration schemes on the sphere. Math. Comput. 83 (290) (2014)
Andrew Chernih, Ian H. Sloan, Robert S. Womersley
Wendland functions with increasing smoothness converge to a Gaussian. Adv. Comput. Math. 40 (1) (2014)
Kerstin Hesse, Robert S. Womersley
Numerical integration with polynomial exactness over a spherical cap. Adv. Comput. Math. 36 (3) (2012)
Congpei An, Xiaojun Chen, Ian H. Sloan, Robert S. Womersley
Regularized Least Squares Approximations on the Sphere Using Spherical Designs. SIAM J. Numer. Anal. 50 (3) (2012)
Xiaojun Chen, Robert S. Womersley, Jane J. Ye
Minimizing the Condition Number of a Gram Matrix. SIAM J. Optim. 21 (1) (2011)
Congpei An, Xiaojun Chen, Ian H. Sloan, Robert S. Womersley
Well Conditioned Spherical Designs for Integration and Interpolation on the Two-Sphere. SIAM J. Numer. Anal. 48 (6) (2010)
Ian H. Sloan, Robert S. Womersley
A variational characterisation of spherical designs. J. Approx. Theory 159 (2) (2009)
Vaithilingam Jeyakumar, John T. Ormerod, Robert S. Womersley
Knowledge-based semidefinite linear programming classifiers. Optim. Methods Softw. 21 (5) (2006)
Xiaojun Chen, Robert S. Womersley
Existence of Solutions to Systems of Underdetermined Equations and Spherical Designs. SIAM J. Numer. Anal. 44 (6) (2006)
Ian H. Sloan, Robert S. Womersley
Extremal Systems of Points and Numerical Integration on the Sphere. Adv. Comput. Math. 21 (1-2) (2004)
Defeng Sun, Robert S. Womersley, Houduo Qi
A feasible semismooth asymptotically Newton method for mixed complementarity problems. Math. Program. 94 (1) (2002)
Robert S. Womersley, Ian H. Sloan
How good can polynomial interpolation on the sphere be? Adv. Comput. Math. 14 (3) (2001)
Defeng Sun, Robert S. Womersley
A New Unconstrained Differentiable Merit Function for Box Constrained Variational Inequality Problems and a Damped Gauss-Newton Method. SIAM J. Optim. 9 (2) (1999)
Xiaojun Chen, Robert S. Womersley
A parallel inexact newton method for stochastic programs with recourse. Ann. Oper. Res. 64 (1) (1996)
Liqun Qi, Robert S. Womersley
An SQP algorithm for extended linear-quadratic problems in stochastic programming. Ann. Oper. Res. 56 (1) (1995)
Michael L. Overton, Robert S. Womersley
Second Derivatives for Optimizing Eigenvalues of Symmetric Matrices. SIAM J. Matrix Anal. Appl. 16 (3) (1995)
Michael L. Overton, Robert S. Womersley
Optimality conditions and duality theory for minimizing sums of the largest eigenvalues of symmetric matrices. Math. Program. 62 (1993)
Michael L. Overton, Robert S. Womersley
On the Sum of the Largest Eigenvalues of a Symmetric Matrix. SIAM J. Matrix Anal. Appl. 13 (1) (1992)
Robert S. Womersley
Local properties of algorithms for minimizing nonsmooth composite functions. Math. Program. 32 (1) (1985)