Barnett, Alex H.
- A parallel non-uniform fast Fourier transform library based on an\n "exponential of semicircle" kernel
2018/08/20 by Alex H. Barnett, Jeremy F. Magland, Barnett, Alex H. +3 · 9 citations
Computer Science · Earth and Planetary Sciences · Medicine · #65T40 #65T50 #65Y05 #68N01 #Digital Filter Design and Implementation #FOS: Computer and information sciences #FOS: Mathematics #Mathematical Software (cs.MS) #Medical Imaging Techniques and Applications #Numerical Analysis (math.NA) #Seismic Imaging and Inversion Techniques
- A unified integral equation scheme for doubly-periodic Laplace and Stokes boundary value problems in two dimensions
2016/11/24 by Barnett, Alex H., Marple, Gary, Veerapaneni, Shravan +1 · 2 citations
#65N38 #65N80 #76D07 #76M50 #FOS: Mathematics #Numerical Analysis (math.NA)
- Asymptotic rate of quantum ergodicity in chaotic Euclidean billiards
2005/12/09 by Alex H. Barnett, Barnett, Alex H. · 1 citation
Mathematics · Physics and Astronomy · #37D50 #58J50 #65N25 #81Q50 #FOS: Physical sciences #Markov Chains and Monte Carlo Methods #Mathematical Dynamics and Fractals #Mathematical Physics (math-ph) #Quantum chaos and dynamical systems
- Fast computation of high frequency Dirichlet eigenmodes via the spectral flow of the interior Neumann-to-Dirichlet map
2011/12/23 by Barnett, Alex H., Hassell, Andrew · 1 citation
#31B10 #35P15 #58J50 #65N25 #FOS: Mathematics #Numerical Analysis (math.NA)
- Evaluation of layer potentials close to the boundary for Laplace and Helmholtz problems on analytic planar domains
2013/10/20 by Barnett, Alex H. · 2 citations
#31C20 #35J05 #65D32 #65E05 #65N38 #FOS: Mathematics #Numerical Analysis (math.NA)
- How exponentially ill-conditioned are contiguous submatrices of the Fourier matrix?
2020/04/20 by Barnett, Alex H. · 2 citations
#15A12 #42A10 #65F22 #FOS: Mathematics #Numerical Analysis (math.NA)
- cuFINUFFT: a load-balanced GPU library for general-purpose nonuniform\n FFTs
2021/02/16 by Yu-hsuan Shih, Garrett Wright, Shih, Yu-hsuan +7 · 1 citation
Medicine · Physics and Astronomy · Earth and Planetary Sciences · #Medical Imaging Techniques and Applications #Advanced X-ray Imaging Techniques #Seismic Imaging and Inversion Techniques
- Trapped acoustic waves and raindrops: high-order accurate integral equation method for localized excitation of a periodic staircase
2023/10/19 by Fruzsina J. Agocs, Alex H. Barnett, Agocs, Fruzsina J. +1 · 2 citations
Engineering · Physics and Astronomy · #Acoustic Wave Phenomena Research #Aerodynamics and Acoustics in Jet Flows #Computational Physics (physics.comp-ph) #Electromagnetic Scattering and Analysis #FOS: Mathematics #FOS: Physical sciences #Numerical Analysis (math.NA)
- Accurate quadrature of nearly singular line integrals in two and three dimensions by singularity swapping
2019/10/22 by Klinteberg, Ludvig af, Barnett, Alex H. · 1 citation
#FOS: Mathematics #Numerical Analysis (math.NA)
- Accurate close interactions of Stokes spheres using lubrication-adapted image systems
2024/05/29 by Anna Broms, Alex H. Barnett, Broms, Anna +3 · 1 citation
Engineering · #Adhesion, Friction, and Surface Interactions #Tribology and Lubrication Engineering #Characterization and Applications of Magnetic Nanoparticles