Björn Engquist

Publication Activity (10 Years)

Years Active: 1975-2023
Publications (10 Years): 17

Top Topics

Dynamical Systems

Conservation Laws

Retinal Fundus Images

Top Venues

J. Comput. Phys.

SIAM J. Sci. Comput.

Comput. Biol. Medicine

Publications

Björn Engquist, Kui Ren, Yunan Yang
Adaptive State-Dependent Diffusion for Derivative-Free Optimization. CoRR (2023)
Sean P. Carney, Milica Dussinger, Björn Engquist
On the nature of the boundary resonance error in numerical homogenization and its reduction. CoRR (2023)
Roberto Molinaro, Yunan Yang, Björn Engquist, Siddhartha Mishra
Neural Inverse Operators for Solving PDE Inverse Problems. ICML (2023)
Roberto Molinaro, Yunan Yang, Björn Engquist, Siddhartha Mishra
Neural Inverse Operators for Solving PDE Inverse Problems. CoRR (2023)
Kui Ren, Yunan Yang, Björn Engquist
A Generalized Weighted Optimization Method for Computational Learning and Inversion. CoRR (2022)
Kui Ren, Yunan Yang, Björn Engquist
A Generalized Weighted Optimization Method for Computational Learning and Inversion. ICLR (2022)
Björn Engquist, Kui Ren, Yunan Yang
An Algebraically Converging Stochastic Gradient Descent Algorithm for Global Optimization. CoRR (2022)
Björn Engquist, Yunan Yang
Optimal Transport Based Seismic Inversion: Beyond Cycle Skipping. CoRR (2020)
Björn Engquist, Yunan Yang
Seismic imaging and optimal transport. Commun. Inf. Syst. 19 (2) (2019)
Sean Carney, Björn Engquist
Numerical multiscale methods and effective boundary conditions. CoRR (2019)
Qiang Du, Björn Engquist, Xiaochuan Tian
Multiscale Modeling, Homogenization and Nonlocal Effects: Mathematical and Computational Issues. CoRR (2019)
Björn Engquist, Kui Ren, Yunan Yang
The quadratic Wasserstein metric for inverse data matching. CoRR (2019)
Gopal R. Yalla, Björn Engquist
Parallel in time algorithms for multiscale dynamical systems using interpolation and neural networks. SpringSim (HPC) (2018)
Björn Engquist, Christina Frederick, Quyen Huynh, Haomin Zhou
Seafloor identification in sonar imagery via simulations of Helmholtz equations and discrete optimization. J. Comput. Phys. 338 (2017)
Yunan Yang, Björn Engquist
Analysis of Optimal Transport Related Misfit Functions in Seismic Imaging. GSI (2017)
Isabel N. Figueiredo, Carlos F. Leal, Giuseppe Romanazzi, Björn Engquist
Homogenization Model for Aberrant Crypt Foci. SIAM J. Appl. Math. 76 (3) (2016)
Yoonsang Lee, Björn Engquist
Multiscale numerical methods for passive advection-diffusion in incompressible turbulent flow fields. J. Comput. Phys. 317 (2016)
Björn Engquist, Brittany D. Froese, Yen-Hsi Richard Tsai
Fast sweeping methods for hyperbolic systems of conservation laws at steady state II. J. Comput. Phys. 286 (2015)
Isabel N. Figueiredo, Sunil Kumar, Carlos Manta Oliveira, João Diogo Ramos, Björn Engquist
Automated lesion detectors in retinal fundus images. Comput. Biol. Medicine 66 (2015)
Austin R. Benson, Jack Poulson, Kenneth Tran, Björn Engquist, Lexing Ying
A Parallel Directional Fast Multipole Method. SIAM J. Sci. Comput. 36 (4) (2014)
Björn Engquist, Christina Frederick
Nonuniform Sampling and Multiscale Computation. Multiscale Model. Simul. 12 (4) (2014)
Isabel N. Figueiredo, Carlos F. Leal, Giuseppe Romanazzi, Björn Engquist
An Homogenization Model for Aberrant Crypt Foci. CoRR (2014)
Gil Ariel, Björn Engquist, S. Kim, Y. Lee, Yen-Hsi Richard Tsai
A Multiscale Method for Highly Oscillatory Dynamical Systems Using a Poincaré Map Type Technique. J. Sci. Comput. 54 (2-3) (2013)
Jack Poulson, Björn Engquist, Siwei Li, Lexing Ying
A Parallel Sweeping Preconditioner for Heterogeneous 3D Helmholtz Equations. SIAM J. Sci. Comput. 35 (3) (2013)
Björn Engquist, Brittany D. Froese, Yen-Hsi Richard Tsai
Fast sweeping methods for hyperbolic systems of conservation laws at steady state. J. Comput. Phys. 255 (2013)
Austin R. Benson, Jack Poulson, Kenneth Tran, Björn Engquist, Lexing Ying
A parallel directional Fast Multipole Method. CoRR (2013)
Jack Poulson, Björn Engquist, Sergey Fomel, Siwei Li, Lexing Ying
A parallel sweeping preconditioner for high frequency heterogeneous 3D Helmholtz equations CoRR (2012)
Assyr Abdulle, Weinan E, Björn Engquist, Eric Vanden-Eijnden
The heterogeneous multiscale method. Acta Numer. 21 (2012)
Jay Chu, Björn Engquist, Masa Prodanovic, Yen-Hsi Richard Tsai
A Multiscale Method Coupling Network and Continuum Models in Porous Media I: Steady-State Single Phase Flow. Multiscale Model. Simul. 10 (2) (2012)
Paul Tsuji, Björn Engquist, Lexing Ying
A sweeping preconditioner for time-harmonic Maxwell's equations with finite elements. J. Comput. Phys. 231 (9) (2012)
Gil Ariel, Björn Engquist, Nicolay M. Tanushev, Yen-Hsi Richard Tsai
Gaussian beam decomposition of high frequency wave fields using expectation-maximization. J. Comput. Phys. 230 (6) (2011)
Yi Sun, Russel Caflisch, Björn Engquist
A Multiscale Method for Epitaxial Growth. Multiscale Model. Simul. 9 (1) (2011)
Isabel N. Figueiredo, Carlos F. Leal, Giuseppe Romanazzi, Björn Engquist, Pedro N. Figueiredo
A convection-diffusion-shape model for aberrant colonic crypt morphogenesis. Comput. Vis. Sci. 14 (4) (2011)
Björn Engquist, Lexing Ying
Sweeping Preconditioner for the Helmholtz Equation: Moving Perfectly Matched Layers. Multiscale Model. Simul. 9 (2) (2011)
Björn Engquist, Lexing Ying
Fast directional algorithms for the Helmholtz kernel. J. Comput. Appl. Math. 234 (6) (2010)
Nicolay M. Tanushev, Björn Engquist, Yen-Hsi Richard Tsai
Gaussian beam decomposition of high frequency wave fields. J. Comput. Phys. 228 (23) (2009)
Eric T. Chung, Björn Engquist
Optimal Discontinuous Galerkin Methods for the Acoustic Wave Equation in Higher Dimensions. SIAM J. Numer. Anal. 47 (5) (2009)
Gil Ariel, Björn Engquist, Yen-Hsi Richard Tsai
A multiscale method for highly oscillatory ordinary differential equations with resonance. Math. Comput. 78 (266) (2009)
Gil Ariel, Björn Engquist, Yen-Hsi Richard Tsai
Numerical Multiscale Methods for Coupled Oscillators. Multiscale Model. Simul. 7 (3) (2008)
Assyr Abdulle, Björn Engquist
Finite Element Heterogeneous Multiscale Methods with Near Optimal Computational Complexity. Multiscale Model. Simul. 6 (4) (2008)
Anna-Karin Tornberg, Björn Engquist
Consistent boundary conditions for the Yee scheme. J. Comput. Phys. 227 (14) (2008)
Björn Engquist, Lexing Ying
Fast Directional Multilevel Algorithms for Oscillatory Kernels. SIAM J. Sci. Comput. 29 (4) (2007)
Eric T. Chung, Björn Engquist
Optimal Discontinuous Galerkin Methods for Wave Propagation. SIAM J. Numer. Anal. 44 (5) (2006)
Yi Sun, Björn Engquist
Heterogeneous Multiscale Methods for Interface Tracking of Combustion Fronts. Multiscale Model. Simul. 5 (2) (2006)
Eric T. Chung, Björn Engquist
Convergence Analysis of Fully Discrete Finite Volume Methods for Maxwell's Equations in Nonhomogeneous Media. SIAM J. Numer. Anal. 43 (1) (2005)
Björn Engquist, Yen-Hsi Richard Tsai
Heterogeneous multiscale methods for stiff ordinary differential equations. Math. Comput. 74 (252) (2005)
Anna-Karin Tornberg, Björn Engquist
Regularization Techniques for Numerical Approximation of PDEs with Singularities. J. Sci. Comput. 19 (1-3) (2003)
Björn Engquist
Parallelism in Computational Algorithms and the Physical World. Euro-Par (1995)
Björn Engquist, Stanley J. Osher, Sifen Zhong
Fast Wavelet Based Algorithms for Linear Evolution Equations. SIAM J. Sci. Comput. 15 (4) (1994)
Björn Engquist, Tom Smedsaas
DCG - a system for automatic code generation for hyperbolic problems. SIGNUM (1975)