Olof B. Widlund

Courant Institute of Mathematical Sciences — United States

Engineering · Physical Sciences

53h-index12.3kcitations223works0.02yr avg
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Research Topics

Advanced Numerical Methods in Computational Mathematics(131), Numerical methods in engineering(87), Matrix Theory and Algorithms(50), Electromagnetic Simulation and Numerical Methods(47), Advanced Mathematical Modeling in Engineering(42)

Publications223 total

An Adaptive Overlapping Schwarz Algorithm for Isogeometric Analysis
Lecture notes in computational science and engineering·2024
BDDC Deluxe Algorithms for Two-Dimensional H($curl$) Isogeometric Analysis
SIAM Journal on Scientific Computing·2022· 5 citedOpen Access
Adaptive GDSW Coarse Spaces of Reduced Dimension for Overlapping Schwarz Methods
SIAM Journal on Scientific Computing·2022· 12 cited
Block FETI–DP/BDDC preconditioners for mixed isogeometric discretizations of three-dimensional almost incompressible elasticity
Mathematics of Computation·2021· 12 citedOpen Access
Preconditioners for Isogeometric Analysis and Almost Incompressible Elasticity
Lecture notes in computational science and engineering·2020· 1 cited
BDDC domain decomposition algorithms
Contemporary mathematics - American Mathematical Society·2020· 6 cited
On Inexact Solvers for the Coarse Problem of BDDC
Lecture notes in computational science and engineering·2020
Optimal Iterative Refinement Methods
2019· 47 cited
Vertex-Based Preconditioners for the Coarse Problems of BDDC
SIAM Journal on Scientific Computing·2019· 2 cited
Isogeometric BDDC deluxe preconditioners for linear elasticity
Mathematical Models and Methods in Applied Sciences·2018· 9 cited
Multilevel Additive Methods for Elliptic Finite Element Problems
2018· 61 cited
An Additive Variant of the Schwarz Alternating Method for the Case of Many Subregions
2018· 229 cited
Some Domain Decomposition and Iterative Refinement Algorithms for Elliptic Finite Element Problems
2018· 4 cited
Iterative Substructuring Methods: Algorithms and Theory for Elliptic Problems in the Plane
2018· 78 cited
Improving the Parallel Performance of Overlapping Schwarz Methods by Using a Smaller Energy Minimizing Coarse Space
Lecture notes in computational science and engineering·2018· 9 cited
Small Coarse Spaces for Overlapping Schwarz Algorithms with Irregular Subdomains
Lecture notes in computational science and engineering·2018
Domain Decomposition Methods in Science and Engineering XXIV
Lecture notes in computational science and engineering·2018· 28 citedOpen Access
Some Schwarz methods for symmetric and nonsymmetric elliptic problems.
PLoS ONE·2017· 59 citedOpen Access
BDDC Algorithms with deluxe scaling and adaptive selection of primal constraints for Raviart-Thomas vector fields
Mathematics of Computation·2017· 57 citedOpen Access
Adaptive Selection of Primal Constraints for Isogeometric BDDC Deluxe Preconditioners
SIAM Journal on Scientific Computing·2017· 56 citedOpen Access
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Frequent Co-authors

Maksymilian Dryja(8), Axel Klawonn(6), Luca F. Pavarino(5), Clark R. Dohrmann(4), Stefano Zampini(3), Petter E. Bjørstad(2), M. Dryja(2), Jing Li(2), Xiao‐Chuan Cai(2), Tony F. Chan(2), Roland Glowinski(2), Jacques Périaux(2), David E. Keyes(2), L. Beirão da Veiga(2), Simone Scacchi(2), Andrea Toselli(1), David M. Young(1), Eugene L. Wachspress(1), Barry Smith(1), Marcus Sarkis(1)