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Every paper Pith has read. Search by title, abstract, or pith.
1525 papers in math.NA · page 7
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Combined boundary and interior mapping improves planar shape analysis
Planar morphometry via functional shape data analysis and quasi-conformal mappings
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Convex hulls give O(d/N) error for positive kernel quadrature
Convex-Geometric Error Bounds for Positive-Weight Kernel Quadrature
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IERK methods stay stable for long-time 2D incompressible flows
Long-time stability of implicit-explicit Runge-Kutta methods for two-dimensional incompressible flows
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Weighted L2 projection errors bounded by H1 seminorm except for irregular weights
New error estimates of the weighted $L^2$ projections
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Kernel conditions ensure stability of high-order IEMS schemes
A semi-generating function approach to the stability of implicit-explicit multistep methods for nonlinear parabolic equations
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Discretizing matrix-valued kernels from zonal functions on the sphere produces…
Vector field multiplier operators and matrix-valued kernel quasi-interpolation
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Fixed-point iteration recovers space-time sources in subdiffusion
Numerical Analysis of Space-Time Dependent Source Identification in Subdiffusion Equations
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Double splitting iteration solves large indefinite least squares faster
The double splitting iteration method for solving the large indefinite least squares problem
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HDG method yields symmetric stresses for poroelastic waves
Hybridizable discontinuous Galerkin methods for poroelastic wave propagation with symmetric stress approximation
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Matching prompts keeps generative sensing recovery bounds optimal
Active Learning for Conditional Generative Compressed Sensing
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r-continued-fraction maps beat Mersenne Twister in randomness tests
Producing Quality Pseudorandomness with a Generalized Gauss Continued-Fraction Map
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No stable solitons found in 2D Kaup-Broer-Kuperschmidt system
Numerical study of the 2D Kaup-Broer-Kuperschmidt Boussinesq system
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Finite elements deliver explicit two-sided Schrödinger eigenvalue bounds
Explicit Two-Sided Eigenvalue Bounds for Schr\"odinger Operators with Singular Potentials via Finite Element Method
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Attention constructs nonlinear features for in-context regression
Understanding In-Context Learning for Nonlinear Regression with Transformers: Attention as Featurizer
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Linear BDF2 scheme reaches optimal rates for LLG equation
BDF2-type integrator for Landau-Lifshitz-Gilbert equation in micromagnetics: a-priori error estimates
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Nyström beats Rayleigh-Ritz for leading eigenvalues of PSD matrices
Finding accurate eigenvalues and eigenvectors of positive semi-definite matrices given a subspace
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Breathers approach but miss Airy-Strichartz sharp bound
Neural Discovery of Strichartz Extremizers
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Blending shuts off redistribution at steady state
Update-Magnitude State Redistribution (UM-SRD): A Shut-off Extension of Weighted SRD for Cut-Cell Methods
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Schwarz-like methods converge on degenerate elliptic-parabolic equations
Convergence analysis of Schwarz-like methods for degenerate elliptic-parabolic equations
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Residual estimator bounds error for polygonal finite elements
An Adaptive Finite Element Method Based on Generalized Barycentric Coordinates
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Smoothing lifts finite element accuracy by one order
Superconvergence in finite element method by smoothing
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Steady Navier-Stokes solved with fixed pressure matrix across iterations
Steady Incremental Viscosity Splitting Method for solving the stationary Navier-Stokes equation
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Flexible Gram blending raises non-periodic approximation rates
A Generalized FC-Gram Approximation Framework with Analysis and Applications
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SIMP density field initializes level-set for sharp 3D boundaries
Sequential topology optimization: SIMP initialization for level-set boundary refinement
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Time-dependent controls stretch interfaces near-exponentially
Hamiltonian Interface Dynamics for Reduced-Order Optimization of Incompressible Mixing
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New Lagrangian scheme hits third-order accuracy on moving meshes
A third-order multi-moment cell-centered Lagrangian scheme for hydrodynamics with an accurate 2D nodal solver
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Model predicts fabric drying time and final moisture
Heat and mass transfer through fabric: a model for fabric drying with heated cylinders
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Model predicts fabric drying time and moisture from cylinder contact
Heat and mass transfer through fabric: a model for fabric drying with heated cylinders
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Mixed beam elements use discontinuous rotations
Mixed Finite Elements for Geometrically Exact Beams using Discontinuous Rotations and Discrete Curvature
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Mixed elements permit discontinuous rotations in exact beam models
Mixed Finite Elements for Geometrically Exact Beams using Discontinuous Rotations and Discrete Curvature
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Neural net restricts domain for faster pseudospectra of non-normal matrices
Neural-Guided Domain Restriction to Accelerate Pseudospectra Computation for Structured Non-normal Banded Matrices
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Video of dye plumes produces nonlinear PDE that linearizes via Cole-Hopf
From Video-to-PDE: Data-Driven Discovery of Nonlinear Dye Plume Dynamics
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Gradient flow decreases action monotonically for any step size in rotating NLS
Analysis of gradient flow for computing defocusing action ground states of rotating nonlinear Schr\"odinger equations
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New parallel code solves large fermionic eigenvalue problems competitively
CDFCI: High-Performance Parallel Software for Many-Body Large-Scale Eigenvalue Problems
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Tangent-space Milstein scheme hits order-1 convergence on SO(n) and SE(n)
Geometric Milstein Scheme for Stochastic Differential Equations on SO(n) and SE(n)
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DLN methods keep 2D Navier-Stokes solutions bounded for all time
Long-time $L^2$&$H^1$-stability of the Family of DLN Methods for the Two-dimensional Incompressible Navier-Stokes Equations
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PINNs for Oseen flows ignore pressure in velocity errors
Structure-Preserving and Pressure-Robust PINNs for Incompressible Oseen Problems
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Waring length improves rigid homotopy complexity
Rigid homotopies for sampling from algebraic varieties: a Waring structure complexity model
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Probabilistic floating-point error bounds computed far faster
Probabilistic Floating-Point Round-Off Analysis via Concentration Inequalities
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Power system DOA boundaries equal unions of stable manifolds
Calculating Domain of Attraction Boundary of Power Systems Based on the Gentlest Ascent Dynamics
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Index-1 critical elements bound power system attraction domains
Calculating Domain of Attraction Boundary of Power Systems Based on the Gentlest Ascent Dynamics
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Sobolev norms yield convergence rates for fractional SDE fitting
Error analysis for learning fractional stochastic differential equations with applications in neural approximations
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Reduced model speeds up crowd-contact simulations 30 to 60 times
Model order reduction for parametrized variational inequalities: application to crowd motion
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CNNs approximate manifold functions at intrinsic-dimension rates
Simultaneous CNN Approximation on Manifolds with Applications to Boundary Value Problems
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Recursive polynomial chaos method preserves Wasserstein-1 convergence for long SDEs
A Recursive Polynomial Chaos Evolution Method for Stochastic Differential Equations
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Mesh strategy satisfies geometric conservation at high order
A high-order rectilinear Lagrangian method based on the geometric conservation law
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Cutting-plane method reaches exact nonnegative spline optimum
One-Dimensional Nonnegative Spline Smoothing via Convex Semi-Infinite Programming with a Cutting-Plane Method
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Modal error tracking relaxes ODE order needed for optimal CSLDG rates
Error Analysis of Time-Dependent Test Functions in the Semi-Lagrangian Discontinuous Finite Element Scheme Based on the Characteristic Galerkin Method
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Modal analysis cuts ODE accuracy needed for optimal CSLDG convergence
Error Analysis of Time-Dependent Test Functions in the Semi-Lagrangian Discontinuous Finite Element Scheme Based on the Characteristic Galerkin Method
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Modal error tracking relaxes ODE order needed for optimal CSLDG convergence
Error Analysis of Time-Dependent Test Functions in the Semi-Lagrangian Discontinuous Finite Element Scheme Based on the Characteristic Galerkin Method