Numerical Analysis

Authors and titles for math.NA in Sep 2023

[1]  arXiv:2309.00069 [pdf, ps, other]

Title: Multistage DPG time-marching scheme for nonlinear problems

Authors: Judit Muñoz-Matute, Leszek Demkowicz

Subjects: Numerical Analysis (math.NA)

[2]  arXiv:2309.00085 [pdf, other]

Title: A matching pursuit approach to the geophysical inverse problem of seismic travel time tomography under the ray theory approximation

Authors: Naomi Schneider, Volker Michel, Karin Sigloch, Eoghan J. Totten

Subjects: Numerical Analysis (math.NA)

[3]  arXiv:2309.00321 [pdf, other]

Title: Stable and locally mass- and momentum-conservative control-volume finite-element schemes for the Stokes problem

Authors: Martin Schneider, Timo Koch

Subjects: Numerical Analysis (math.NA)

[4]  arXiv:2309.00328 [pdf, other]

Title: Polynomial Interpolation of Function Averages on Interval Segments

Authors: Ludovico Bruni Bruno, Wolfgang Erb

Comments: 20 pages, 5 figures

Subjects: Numerical Analysis (math.NA)

[5]  arXiv:2309.00605 [pdf, other]

Title: A decoupled, convergent and fully linear algorithm for the Landau--Lifshitz--Gilbert equation with magnetoelastic effects

Authors: Hywel Normington, Michele Ruggeri

Comments: 36 pages, 7 figures Updated acknowledgements

Subjects: Numerical Analysis (math.NA); Computational Physics (physics.comp-ph)

[6]  arXiv:2309.00698 [pdf, ps, other]

Title: A novel Newton-Raphson style root finding algorithm

Authors: Komi Agbalenyo, Vincent Cailliez, Jonathan Cailliez

Comments: 11 pages, 3 tables, submited to Applied Mathematics and Computation

Subjects: Numerical Analysis (math.NA)

[7]  arXiv:2309.00768 [pdf, other]

Title: Space-Time Block Preconditioning for Incompressible Resistive Magnetohydrodynamics

Authors: Federico Danieli, Ben S. Southworth, Jacob B. Schroder

Comments: 25 pages, 4 figures, 3 tables

Subjects: Numerical Analysis (math.NA)

[8]  arXiv:2309.00785 [pdf, other]

Title: Weak Boundary Conditions for Lagrangian Shock Hydrodynamics: A High-Order Finite Element Implementation on Curved Boundaries

Authors: Nabil M. Atallah, Vladimir Z. Tomov, Guglielmo Scovazzi

Subjects: Numerical Analysis (math.NA)

[9]  arXiv:2309.00788 [pdf, ps, other]

Title: Spectral Barron space and deep neural network approximation

Authors: Yulei Liao, Pingbing Ming

Comments: 30 pages

Subjects: Numerical Analysis (math.NA)

[10]  arXiv:2309.00799 [pdf, other]

Title: An Elementary Construction of Modified Hamiltonians and Modified Measures of 2D Kahan Maps

Authors: Giorgio Gubbiotti, David McLaren, G.R.W. Quispel

Comments: 30 pages, 7 figures

Journal-ref: Open Communications in Nonlinear Mathematical Physics, Special Issue in Memory of Decio Levi (March 1, 2024) ocnmp:12249

Subjects: Numerical Analysis (math.NA)

[11]  arXiv:2309.00876 [pdf, other]

Title: A Multiscale Method for Two-Component, Two-Phase Flow with a Neural Network Surrogate

Authors: Jim Magiera, Christian Rohde

Subjects: Numerical Analysis (math.NA); Computational Physics (physics.comp-ph); Fluid Dynamics (physics.flu-dyn)

[12]  arXiv:2309.00931 [pdf, other]

Title: A Parametric Finite-Element Discretization of the Surface Stokes Equations

Authors: Hanne Hardering, Simon Praetorius

Comments: 36 pages, 5 figures

Subjects: Numerical Analysis (math.NA)

[13]  arXiv:2309.00968 [pdf, other]

Title: Multiscale Modeling with Differential Equations

Authors: Clarissa Astuto, Giovanni Russo

Comments: 40 pages, 20 figures, to be published as a book chapter in a SIAM book

Subjects: Numerical Analysis (math.NA)

[14]  arXiv:2309.00979 [pdf, other]

Title: ADI schemes for heat equations with irregular boundaries and interfaces in 3D with applications

Authors: Han Zhou, Minsheng Huang, Wenjun Ying

Subjects: Numerical Analysis (math.NA); Computational Physics (physics.comp-ph)

[15]  arXiv:2309.01004 [pdf, other]

Title: Projection-based reduced order modeling of an iterative scheme for linear thermo-poroelasticity

Authors: Francesco Ballarin, Sanghyun Lee, Son-Young Yi

Subjects: Numerical Analysis (math.NA)

[16]  arXiv:2309.01020 [pdf, other]

Title: On the training and generalization of deep operator networks

Authors: Sanghyun Lee, Yeonjong Shin

Subjects: Numerical Analysis (math.NA); Machine Learning (cs.LG); Machine Learning (stat.ML)

[17]  arXiv:2309.01068 [pdf, other]

Title: A Cartesian grid-based boundary integral method for moving interface problems

Authors: Han Zhou, Wenjun Ying

Subjects: Numerical Analysis (math.NA); Computational Physics (physics.comp-ph)

[18]  arXiv:2309.01200 [pdf, other]

Title: An analysis of Ermakov-Zolotukhin quadrature using kernels

Authors: Ayoub Belhadji

Journal-ref: Advances in Neural Information Processing Systems 34 (2021): 27278-27289

Subjects: Numerical Analysis (math.NA); Computation (stat.CO)

[19]  arXiv:2309.01220 [pdf, other]

Title: On the numerical approximation of the distance to singularity for matrix-valued functions

Authors: Miryam Gnazzo, Nicola Guglielmi

Comments: 24 pages, 5 figures

Subjects: Numerical Analysis (math.NA)

[20]  arXiv:2309.01225 [pdf, other]

Title: Stabilization of parareal algorithms for long time computation of a class of highly oscillatory Hamiltonian flows using data

Authors: Rui Fang, Richard Tsai

Subjects: Numerical Analysis (math.NA)

[21]  arXiv:2309.01255 [pdf, other]

Title: On the structure of the Schur complement matrix for the Stokes equation

Authors: Vladislav Pimanov, Ekaterina Muravleva, Ivan Oseledets, Oleg Iliev

Subjects: Numerical Analysis (math.NA)

[22]  arXiv:2309.01356 [pdf, ps, other]

Title: AZB Rectangle Shrinkage Method and Heterogeneous Computing Accelerated Full Image Theory Method Ray Tracing Enabling Complex and Massive Outdoor 6G Propagation Modeling

Authors: Yongwan Kim, Hyunjun Yang, Jungsuek Oh

Subjects: Numerical Analysis (math.NA)

[23]  arXiv:2309.01562 [pdf, other]

Title: On the non-global linear stability and spurious fixed points of MPRK schemes with negative RK parameters

Authors: Thomas Izgin, Stefan Kopecz, Andreas Meister, Amandine Schilling

Comments: 19 pages, 3 figures

Subjects: Numerical Analysis (math.NA)

[24]  arXiv:2309.01636 [pdf, other]

Title: Finite element approximation for a delayed generalized Burgers-Huxley equation with weakly singular kernels: Part I Well-posedness, Regularity and Conforming approximation

Authors: Sumit Mahajan, Arbaz Khan, Manil T. Mohan

Subjects: Numerical Analysis (math.NA)

[25]  arXiv:2309.01759 [pdf, ps, other]

Title: Extremal Growth of Multiple Toeplitz Operators and Applications to Numerical Stability of Approximation Schemes

Authors: Yash Rastogi

Subjects: Numerical Analysis (math.NA); Functional Analysis (math.FA)