Björn Engquist
- Sweeping Preconditioner for the Helmholtz Equation: Moving Perfectly Matched Layers
2010/07/25 by Björn Engquist, Engquist, Björn, Lexing Ying +1 · 8 citations
Physics and Astronomy · Engineering · #Electromagnetic Scattering and Analysis #Electromagnetic Simulation and Numerical Methods #Advanced Numerical Methods in Computational Mathematics
- Sweeping Preconditioner for the Helmholtz Equation: Hierarchical Matrix Representation
2010/07/25 by Björn Engquist, Lexing Ying, Engquist, Björn +1 · 6 citations
Computer Science · Engineering · Physics and Astronomy · #65F08 #65N22 #65N80 #Electromagnetic Scattering and Analysis #Electromagnetic Simulation and Numerical Methods #FOS: Mathematics #Matrix Theory and Algorithms #Numerical Analysis (math.NA)
- Seismic Inversion and the Data Normalization for Optimal Transport
2018/10/19 by Björn Engquist, Engquist, Björn, Yunan Yang +1 · 2 citations
Earth and Planetary Sciences · Engineering · #FOS: Mathematics #Hydraulic Fracturing and Reservoir Analysis #Numerical Analysis (math.NA) #Seismic Imaging and Inversion Techniques #Seismic Waves and Analysis
- Variable Step Size Multiscale Methods for Stiff and Highly Oscillatory\n Dynamical Systems
2013/04/16 by Yoonsang Lee, Lee, Yoonsang, Björn Engquist +1 · 1 citation
Computer Science · Engineering · Mathematics · #Advanced Mathematical Modeling in Engineering #Electromagnetic Simulation and Numerical Methods #FOS: Mathematics #Numerical Analysis (math.NA) #Numerical methods for differential equations
- Heterogeneous multiscale methods for rough-wall laminar viscous flow
2019/10/15 by Sean Carney, Carney, Sean, Björn Engquist +1 · 1 citation
Computer Science · Engineering · #Advanced Mathematical Modeling in Engineering #Composite Material Mechanics #Advanced Numerical Methods in Computational Mathematics
- Sampling with Adaptive Variance for Multimodal Distributions
2024/11/20 by Björn Engquist, Kui Ren, Engquist, Björn +3 · 2 citations
Computer Science · #Bayesian Methods and Mixture Models
- Diffusion-guided optimization for full waveform inversion
2026/07/24 by Yiran Shen, Yangkang Chen, Björn Engquist
#physics.geo-ph