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Every paper Pith has read. Search by title, abstract, or pith.
1524 papers in cs.NA · page 3
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Girsanov weights enable unbiased resampling for diffusion models
Simple Approximation and Derivative Free Inference-Time Scaling for Diffusion Models via Sequential Monte Carlo on Path Measures
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Energy minimization simplifies multigrid explanation
Multigrid Primer: Basic Principles
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Adaptive Hermite method resolves Vlasov-Poisson filamentation
Solving Vlasov-Poisson system with an adaptive Hermite spectral method
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V-complexity measures function complexity with piecewise segments
The information-theoretic complexity of differentiable functions
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HOOI and ASI converge globally for complex tensors
Convergence Analysis of Two Alternating Iterative Schemes for Tucker Decomposition
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50% equity cap keeps pension decumulation nearly optimal
Numerical methods for optimal decumulation of a defined contribution pension plan
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Two-scale neural networks solve convection-dominated optimal control
Two-scale neural networks for optimal control of linear convection-dominated equations
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Spectral multipliers give stable sphere approximation without exact cubature
Hyperinterpolation beyond exact cubature: a spectral multiplier approach
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New CG methods tridiagonalize non-Hermitian quaternion matrices
Structure preserving quaternion conjugate gradient-type methods for solving non-Hermitian quaternion linear systems
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Police response delays create oscillating crime hotspots
Crime hotspot dynamics in residential burglary models with police response
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Modified acceleration predicts sharp linear rate for Navier-Stokes
A modified Anderson acceleration with sharp linear convergence rate predictions and application to incompressible flows
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Quantum circuits solve advection-diffusion with boundaries
Quantum circuits for the advection-diffusion equation with boundary conditions based on LCHS
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Periodic resets speed low-bit quantization training fourfold
WinQ: Accelerating Quantization-Aware Training of Language Models Around Saddle Points
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Bounds tie PDE solution regularity to neural operator discretization error
Stability and Discretization Error of State Space Model Neural Operators
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Linear-rate rates close infinite ODEs into finite systems
Solving linear-rate ODE hierarchies (like master equations) using closures and operator splitting
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Refinement fixes instability in randomized Kaczmarz
Numerical Instabilities in the Kaczmarz Method and Stabilization by Iterative Refinement
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Rational approximation makes intrinsic GPs practical
Rational approximation and intrinsic Gaussian processes
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Even-order explicit Runge-Kutta methods need only (p^2-2p+8)/4 stages
Low Stage High Order Explicit Runge--Kutta Methods via Q- and D-Conditions: General Theory and Efficient Recursive Construction
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Block Krylov subspaces match matrix polynomial spaces isometrically
Block Krylov subspaces and orthogonal matrix polynomials: a structural correspondence with applications to unitary matrices
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Trace functionals bound eigenvalues in PSD tensor spaces
Spectral Bounds for Tensors Derived from Trace Functionals and Wasserstein Distance in Tensor Spaces
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Entropy-stable DG Euler solver hits 70% GPU peak
GPU Performance of an Entropy-Stable Discontinuous Galerkin Euler Solver with Non-Conservative Terms
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Framework solves fractional diffusion-wave equations with variable orders
fPINN-DeepONet: A Physics-Informed Operator Learning Framework for Multi-term Time-fractional Mixed Diffusion-wave Equations
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Normalized RBFs drive L1 error arbitrarily low for discontinuous data
A Parallel and Adaptive Mesh-Free Method for Discontinuous Coefficient Fields in Heterogeneous Porous Media
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Density weighting removes O(h²) energy error from discrete fluids
A no-go theorem and its resolution for the discrete compressible barotropic Navier--Stokes equations
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Density-weighted matrix restores exact energy in discrete fluid equations
A no-go theorem and its resolution for the discrete compressible barotropic Navier--Stokes equations
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Model finds optimal tuning for wolf-note suppressors in cellos
The Wolf and the Cello: Modelling and design of multiple resonance suppressors in large string instruments
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B-spline collocation converges for fractional BVPs
On the Convergence of a Spline Collocation Method for Nonlinear Fractional Boundary Value Problems with the Riesz-Caputo Operator
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Exponential integrator yields dimension-uniform KL bounds for mixtures
Dimension-Uniform Discretization Analysis of Preconditioned Annealed Langevin Dynamics for Multimodal Gaussian Mixtures
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BGG cohomology obtained from long exact sequences of complexes
A note on short and long exact sequences in the BBG construction of complexes from complexes
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Mapped Jacobi polynomials preserve endpoint singularities
Fractional backward spectral approximation theory for weakly singular adjoint integral equations
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Anti-diffusion sharpens contacts by targeting degenerate fields only
Adaptive Artificial Anti-Diffusion Methods for Hyperbolic Systems of Conservation Laws
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Gradient-complementary split removes interface kernels in eddy-current decomposition
A Tearing and Interconnecting Formulation for Magneto-Quasi-Statics
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Entropy-stable schemes for two-temperature Euler model
Entropy stable finite difference schemes for One-Fluid Two-Temperature Euler Non-equilibrium Hydrodynamics
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Mean field games recover cost fields from active population dynamics
Travel-time tomography from mean field game dynamics
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Projection methods converge for monotone equations without Lipschitz
Spectral conjugate gradient projection methods for large-scale monotone equations without Lipschitz continuity
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Proxy points give 10^{-14} accuracy in 39-layer Maxwell solver
Method of Fundamental Solutions for Maxwell's Equations in Bi-Periodic Multilayered Media
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Model shows efficiency-flow tradeoff in buoyancy heat exchangers
A Model of a Buoyancy-Driven Heat Exchanger, with Implications for Optimal Design
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Transport map amortizes Bayesian posteriors for new observations
Amortized Energy-Based Bayesian Inference
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Neural PDE solvers pay off after fewer solves on harder problems
Breakeven complexity: A new perspective on neural partial differential equation solvers
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Implicit low-rank method stabilizes stiff kinetic collisions
Implicit Dynamical Tensor Train Approximation for Kinetic Equations with Stiff Fokker--Planck Collisions
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Local surrogate refinement matches full-model accuracy in 100D rare-event PDEs
Proposal-Guided Greedy Surrogate Refinement for PDE-Driven High-Dimensional Rare-Event Estimation
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Operator networks approximate nonlinear operators and their derivatives
Universal Approximation of Nonlinear Operators and Their Derivatives
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Method ensures one-to-one branch match in viscoelastic dispersion curves
Homotopy continuation of viscoelastic waveguide dispersion curves: from intra-manifold tracking to inter-manifold transport
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Spline dimension hits Schumaker lower bound on special rectilinear partitions
Dimension Calculation for Spline Spaces over Rectilinear Partitions via Smoothing Cofactor Method
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Strang splitting yields poroelastic reciprocity near machine precision
Verification of reciprocity in anisotropic poroelastic wave simulation using symmetric Strang splitting
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Unified GPU solver gives exact gradients for stiff heterogeneous soft bodies
DiffPhD: A Unified Differentiable Solver for Projective Heterogeneous Materials in Elastodynamics with Contact-Rich GPU-Acceleration
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ReLU networks double P1 FEM rates for singular perturbations
Neural Networks for Singular Perturbations -- Finite Regularity
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3D solver models fluid-driven slip and tensile ruptures together
Three dimensional simulation of fluid-driven frictional and tensile ruptures on existing discontinuities
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Any ℓ_p norm matches optimal rate in vector optimization
Convergence Rates for $\ell_p$ Norm Minimization in Convex Vector Optimization
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Optimal rate O(k^{2/(1-q)}) holds for any ℓ_p norm
Convergence Rates for $\ell_p$ Norm Minimization in Convex Vector Optimization