Výsledky vyhledávání - Finite-dimensional approximation to coefficient kernel function*

Reachability of Koopman linearized systems using explicit kernel approximation and polynomial zonotope refinement.

Autoři: Bak, Stanley Bogomolov, Sergiy Hencey, Brandon a další

Zdroj: Formal Methods in System Design; Aug2025, Vol. 66 Issue 2, p307-333, 27p

Témata: NONLINEAR systems, LINEAR operators, APPROXIMATION error, COMPOSITION operators, MATHEMATICAL functions, SYSTEM analysis

On the Probabilistic Approximation in Reproducing Kernel Hilbert Spaces.

Autoři: Chen, Dongwei Wang, Kai-Hsiang

Zdroj: Complex Analysis & Operator Theory; Sep2025, Vol. 19 Issue 6, p1-22, 22p

Degenerate kernel approximation and error estimation for integral equations in Lp spaces.

Autoři: Feng, Sheng-Ya Chang, Der-Chen

Zdroj: Analysis & Mathematical Physics; Dec2025, Vol. 15 Issue 6, p1-30, 30p

On the functional regression model and its finite-dimensional approximations.

Autoři: Berrendero, José R. Cholaquidis, Alejandro Cuevas, Antonio

Zdroj: Statistical Papers; Oct2024, Vol. 65 Issue 8, p5167-5201, 35p

Témata: INNER product spaces, REGRESSION analysis, FUNCTIONAL analysis, GENERATING functions, DATA analysis

On mathematical aspects of surface correction via ion beam etching.

Autoři: Pauls, Walter

Zdroj: Journal of Physics A: Mathematical & Theoretical; 2025, Vol. 58 Issue 47, p1-27, 27p

Témata: FUNCTIONAL analysis, INVERSE problems, SINGULAR value decomposition, HILBERT space, OPERATOR equations, ION beams, RADIAL basis functions, MATHEMATICS

L^∞-error Bounds for Approximations of the Koopman Operator by Kernel Extended Dynamic Mode Decomposition.

Autoři: Köhne, Frederik Philipp, Friedrich M. Schaller, Manuel a další

Zdroj: SIAM Journal on Applied Dynamical Systems; 2025, Vol. 24 Issue 1, p501-529, 29p

Témata: FUNCTION spaces, HILBERT space, UNIFORM spaces, NONLINEAR analysis, APPROXIMATION error

The bounds of the mixed derivatives of the least eigenvalue and eigenfunction of the eigenvalue problem with stochastic density function.

Autoři: Chen, Zhijun Zhang, Zhengfang Deng, Ziyi a další

Zdroj: Communications on Analysis & Computation (CAC); Dec2025, Vol. 6, p1-13, 13p

Témata: EIGENVALUES, FINITE element method, MONTE Carlo method, EIGENFUNCTIONS, APPROXIMATION error, HIGH-order derivatives (Mathematics), PROBABILITY density function

An approximation theory framework for measure-transport sampling algorithms.

Autoři: Baptista, Ricardo Hosseini, Bamdad Kovachki, Nikola B. a další

Zdroj: Mathematics of Computation; Jul2025, Vol. 94 Issue 354, p1863-1909, 47p

Témata: APPROXIMATION theory, TRANSPORT theory, FUNCTION spaces, INFERENTIAL statistics, MODEL theory

Fourier Galerkin approximation of mean field control problems.

Autoři: Delarue, François Martini, Mattia

Zdroj: NoDEA: Nonlinear Differential Equations & Applications; Jan2025, Vol. 32 Issue 1, p1-71, 71p

POINT SPREAD FUNCTION APPROXIMATION OF HIGH-RANK HESSIANS WITH LOCALLY SUPPORTED NONNEGATIVE INTEGRAL KERNELS.

Autoři: ALGER, NICK HARTLAND, TUCKER PETRA, NOEMI a další

Zdroj: SIAM Journal on Scientific Computing; 2024, Vol. 46 Issue 3, pA1658-A1689, 32p

Témata: ADVECTION-diffusion equations, IMPULSE response, INVERSE problems, DIRAC operators, ICE sheets, INTEGRALS

Finding global minima via kernel approximations: Finding global minima via kernel approximations: A. Rudi et al.

Autoři: Rudi, Alessandro Marteau-Ferey, Ulysse Bach, Francis

Zdroj: Mathematical Programming; Jan2025, Vol. 209 Issue 1, p703-784, 82p

Témata: SMOOTHNESS of functions, SUM of squares, SEMIDEFINITE programming, POLYNOMIAL time algorithms, HILBERT space

Structure-Preserving Kernel-Based Meshless Methods for Solving Dissipative PDEs on Surfaces.

Autoři: Sun, Zhengjie Ling, Leevan Chen, Meng

Zdroj: Journal of Scientific Computing; Mar2025, Vol. 102 Issue 3, p1-25, 25p

Computational Approaches for Nonlinear Fractional Differential Problems Utilizing Chebyshev Polynomial Approximations Space with Neutrosophic Applications.

Autoři: Al-Dulaimi, Abdulsalam Azmi, Amirah Yaseen S. R.

Zdroj: International Journal of Neutrosophic Science (IJNS); 2025, Vol. 26 Issue 3, p339-358, 20p

Témata: POLYNOMIAL approximation, CHEBYSHEV polynomials, FRACTIONAL differential equations, CHEBYSHEV approximation, DIFFERENTIAL equations

Fast and Fourier features for transfer learning of interatomic potentials.

Autoři: Novelli, Pietro Meanti, Giacomo Buigues, Pedro J. a další

Zdroj: NPJ Computational Materials; 9/25/2025, Vol. 11 Issue 1, p1-13, 13p

Témata: TRANSFER of training, GRAPH neural networks, MACHINE learning, POTENTIAL energy surfaces, KERNEL functions, MOLECULAR dynamics

Geometric Low-Rank Approximation of the Zeitlin Model of Incompressible Fluids on the Sphere.

Autoři: Pagliantini, Cecilia

Zdroj: SIAM Journal on Numerical Analysis; 2025, Vol. 63 Issue 6, p2221-2248, 28p

Introducing the kernel descent optimizer for variational quantum algorithms.

Autoři: Simon, Lars Eble, Holger Radons, Manuel

Zdroj: Scientific Reports; 8/2/2025, Vol. 15 Issue 1, p1-18, 18p

Témata: QUANTUM computing, OPTIMIZATION algorithms, MATHEMATICAL optimization, HILBERT space, VARIATIONAL approach (Mathematics)

Neural Operator Approximations for Boundary Stabilization of Cascaded Parabolic PDEs.

Autoři: Lv, Kaijing Wang, Junmin Cao, Yuandong

Zdroj: International Journal of Adaptive Control & Signal Processing; Jul2025, Vol. 39 Issue 7, p1503-1520, 18p

Témata: BACKSTEPPING control method, PARABOLIC differential equations, STABILITY theory, NEURAL computers, CONTROL theory (Engineering), MATHEMATICAL optimization

Bergman Kernels for Monogenic and Contragenic Functions in the Interior and Exterior of a Sphere.

Autoři: García-Ancona, R. Morais, J. Porter, R. Michael

Zdroj: Complex Analysis & Operator Theory; Oct2025, Vol. 19 Issue 7, p1-20, 20p

Testing covariance separability for continuous functional data.

Autoři: Dette, Holger Dierickx, Gauthier Kutta, Tim

Zdroj: Journal of Time Series Analysis; May2025, Vol. 46 Issue 3, p402-420, 19p

Témata: ANALYSIS of covariance, TIME series analysis, RESAMPLING (Statistics), SMOOTHNESS of functions, HILBERT space, STATISTICS

Stabilization of the Viscoelastic Wave Equation with Variable Coefficients and a Delay Term in Nonlocal Boundary Feedback.

Autoři: Li, Sheng-Jie Chai, Shugen

Zdroj: Journal of Dynamical & Control Systems; Mar2024, Vol. 30 Issue 1, p1-24, 24p

Témata: WAVE equation, RIEMANNIAN geometry, KERNEL functions, ENERGY consumption