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Every paper Pith has read. Search by title, abstract, or pith.
1525 papers in math.NA · page 16
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Finite density pairs uniquely recover transport maps
On the Unique Recovery of Transport Maps and Vector Fields from Finite Measure-Valued Data
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Compressed sensing recovers unknown anisotropic functions near-optimally
Universal, sample-optimal algorithms for recovery of anisotropic functions from i.i.d. samples
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Keypoint count tunes inlier ratios for satellite image matching
Mathematical Analysis of Image Matching Techniques
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Nonlinear interpolation regains full order on quasi-uniform grids below critical spacing
Interpolation and approximation of piecewise smooth functions with corner discontinuities on sigma quasi-uniform grids
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High-order spectral difference handles under-resolved viscous flows
Spectral Difference Method with a Posteriori Limiting: III- Navier-Stokes Equations with Arbitrary High-Order Accuracy
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Linear map shrinks microswimmer slip optimization to low dimension
Slip optimization on arbitrary 3D microswimmers: a reduced-dimension and boundary-integral framework
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Revised FMPM loop integrates full mass matrix with MPM contact
Improved Implementation of Approximate Full Mass Matrix Inverse Methods into Material Point Method Simulations
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Detectability lemma cuts Gibbs state prep cost by O(M)
Quantum Gibbs sampling through the detectability lemma
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Quasi-linear algorithm speeds 2D wave potential evaluation by 100000x
A spectral method for the rapid evaluation of hyperbolic potentials in two dimensions using windowed Fourier projection
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Shared summary couples flows for unified filtering and smoothing
FLUID: Flow-based Unified Inference for Dynamics
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CutFEM converges for convection-diffusion on mixed-dimensional domains
Cut Finite Element Methods for Convection-Diffusion in Mixed-Dimensional Domains
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Row selection gives deterministic embeddings for Krylov methods
Deterministic sketching for Krylov subspace methods
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Riemannian optimization yields low-rank solutions for parametrized systems
Low-rank solutions to a class of parametrized systems using Riemannian optimization
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Differentiable solver makes coastal wave models end-to-end optimizable
A solver-in-the-loop framework for end-to-end differentiable coastal hydrodynamics
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k-exact schemes reach high-order advection on spherical Voronoi grids
A new high-order finite-volume advection scheme on spherical Voronoi grids and a comparative study in a mimetic finite-volume moist shallow-water model
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Faster rotation speeds up mixing in stirred bed reactors
Granular mixing and flow dynamics in horizontal stirred bed reactors
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Decoupled Robin-Robin scheme solves fluid-poroelastic problems without locking
A Locking-free and Loosely Coupled Robin-Robin Scheme for Fluid-Poroelasticity Interaction
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Domain-mapped functional link solver beats PINN on beam bending
Physics-Informed Functional Link Constrained Framework with Domain Mapping for Solving Bending Analysis of an Exponentially Loaded Perforated Beam
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Integer transfer rules solve conservation laws exactly
Continuum dynamics from quantised interaction rules
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DG method proves well-posed for elliptic-hyperbolic PDEs
A discontinuous Galerkin method for elliptic-hyperbolic equations
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Orthogonal polynomials make Savitzky-Golay filters faster and far more accurate
Fast and accurate noise removal by curve fitting using orthogonal polynomials
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Reformulated poroelasticity yields stable Crank-Nicolson FEM
A time-nonlocal multiphysics finite element method with Crank-Nicolson scheme for poroelasticity model with secondary consolidation
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Neural parametrization enables thin-shell compliance optimization
Neural parametric representations for thin-shell shape optimisation
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Semi-Lagrangian SENO scheme solves S² advection
A Semi-Lagrangian Spherical Essentially Non-Oscillatory (SENO) Scheme for Advection Equations of S2-valued Functions
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Nitsche method approximates Boussinesq flows on complex domains
Nitsche's method for the stationary Boussinesq system under mixed and nonlinear boundary conditions
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LDL^T factorization enables ADI solver for general Riccati equations
$LDL^\top$ Factorization-based Generalized Low-rank ADI Algorithm for Solving Large-scale Algebraic Riccati Equations
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Geometric regularization resolves shocks without limiters
Shocks without shock capturing: Information geometric regularization of finite volume methods for Navier--Stokes-like problems
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Latent transformer with parameter injection cuts PDE rollout error by 5x
AE-ViT: Stable Long-Horizon Parametric Partial Differential Equations Modeling
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Low-rank bases give Lipschitz stability for nonlinear scattering
Low-rank-assisted inverse medium scattering: Lipschiz stability and ensemble Kalman filter
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Solver reaches mean-field dynamics at times of 10 million
DYNAMITE: A high-performance framework for solving Dynamical Mean-Field Equations
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Quantum solver processes all RVE problems in single execution
QAFE$^2$: Quantum Accelerated Multiscale Finite Element Analysis
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Neural enrichment improves weak Galerkin accuracy for singular elliptic solutions
A Neural-Enhanced Weak Galerkin Method for Second-Order Elliptic Problems with Low-Regularity Solutions
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Steklov spectrum computed from boundary data alone for smooth domains
A boundary integral equation method for Steklov eigenvalue problems for smooth planar domains
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Any n-by-2 orthonormal matrix has 2x2 submatrix with sigma_min >= 1/sqrt(n)
On the submatrices with the best-bounded inverses
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Relaxation step enforces exact mass and energy conservation in SP simulations
Efficient High-order Mass-conserving and Energy-balancing Schemes for Schr\"odinger-Poisson Equations
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SNR-derived weights cut depth bias in EEG source maps
Overview of Bayesian Solvers in EEG Distributed Source Models: Prior Selection, Algorithmic Implementation, and Depth Bias Reduction
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Neural nets recover artery parameters from ultrasound
Asymptotic-Preserving Neural Networks for Viscoelastic Parameter Identification in Multiscale Blood Flow Modeling
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Accelerated Kaczmarz converges linearly for tensor systems
Linear convergence of Gearhart-Koshy accelerated Kaczmarz methods for tensor linear systems
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Randomized Kaczmarz converges without full rank for matrix equations
On convergence of residual-based extended randomized Kaczmarz methods for matrix equations
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H(curl)-conforming finite elements for velocity and magnetic field yield stable…
Robust H(curl)-based finite element methods for the incompressible MHD system
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Mean field games on graphs solved by optimizing one initial condition
Discrete Mean Field Games on Finite Graphs as Initial Value Optimization
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Stochastic exponential integrator matches exact trace formulas on sphere
Long-time behavior of exact and numerical solutions of stochastic evolution equations on the sphere
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HDG methods achieve optimal k+1 convergence for 2D vector Laplacian
HDG Methods for the two-dimensional Vector Laplacian
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New method solves fractional wave equations accurately on nonuniform meshes
Mathematical analysis and symmetric fractional-order reduction method for diffusion-wave equations
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Higher-order multiscale method solves multi-continuum problems accurately
Higher-Order Multiscale Computational Method for Multi-Continuum Problems in Highly Heterogeneous Media
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Jeffreys divergence stops mode collapse in Boltzmann generators
Jeffreys Flow: Robust Boltzmann Generators for Rare Event Sampling via Parallel Tempering Distillation
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IMEX-BDF-DG schemes preserve asymptotic limits on coarse meshes
Multi-Scale Kinetic Simulation: Asymptotic Preserving IMEX-BDF-DG Schemes with Three Implicit-Explicit Partitionings
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Adaptive RBF method eases high-dimensional integrodifferential solving
An adaptive radial basis function approach for efficiently solving multidimensional spatiotemporal integrodifferential equations
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4DVAR tracks Lorenz trajectory better than EnKF at 20% error
Comparing an Ensemble Kalman Filter to a 4DVAR Data Assimilation System in Chaotic Dynamics