Search Results - "Krylov subspace"

A randomized block Krylov method for tensor train approximation.

Authors: Yu, Gaohang Feng, Jinhong Chen, Zhongming et al.

Source: Frontiers in Applied Mathematics & Statistics. 2026, p1-14. 14p.

Toward Krylov-based holography in double-scaled SYK.

Authors: Fu, Yichao Jeong, Hyun-Sik Kim, Keun-Young et al.

Source: Journal of High Energy Physics. May2026, Vol. 2026 Issue 5, p1-32. 32p.

Pipelined Space-Time Krylov Method with Preconditioning: A Parallel-in-Time Algorithm for Biot's Quasi-Static Poroelasticity.

Authors: Ju, Guoliang Xia, Xin Zhou, Zeyuan et al.

Source: Mathematics (2227-7390). Apr2026, Vol. 14 Issue 7, p1177. 26p.

Variations on a theme of Krylov.

Authors: Balasubramanian, Vijay Caputa, Pawel Simón, Joan

Source: Journal of High Energy Physics. Apr2026, Vol. 2026 Issue 4, p1-65. 65p.

Improved New Block Preconditioner for Solving 3 × 3 Block Saddle Point Problems.

Authors: Shao, Xin-Hui Liu, Xin-Yang

Source: Axioms (2075-1680). Mar2026, Vol. 15 Issue 3, p167. 14p.

Wigner negativity, random matrices and gravity.

Authors: Basu, Ritam Chowdhury, Pratyusha Ganguly, Anirban et al.

Source: Journal of High Energy Physics. Jan2026, Vol. 2026 Issue 1, p1-38. 38p.

Optimal polynomial approximation to rational matrix functions using the Arnoldi algorithm.

Authors: Chen, Tyler Greenbaum, Anne Wellen, Natalie

Source: Numerical Algorithms. Dec2025, Vol. 100 Issue 4, p1657-1678. 22p.

Approximating the phi-function action on linear combinations of Krylov bases.

Authors: Naranjo-Noda, F. S. Jimenez, J. C.

Source: Linear & Multilinear Algebra. Nov2025, Vol. 73 Issue 17, p3936-3948. 13p.

Energy-Based Adaptive Krylov Subspace Basis Functions Method for Solving Bistatic Scattering Problems.

Authors: Xiang, Jianhao Wang, Zhonggen Yuan, Haoran et al.

Source: Progress in Electromagnetics Research C. 2025, Vol. 158, p151-159. 9p.

Subjects: Krylov subspace, Electromagnetic wave scattering, Optimization algorithms, Singular value decomposition, Bistatic radar, Numerical analysis, Research methodology

A fast method for simulating single room dynamic thermal loads using model order reduction.

Authors: Dong, Shuqi Kong, Qiongxiang Meng, Xiangzhao

Source: Journal of Building Performance Simulation. May2026, Vol. 19 Issue 3, p375-394. 20p.

Subjects: Krylov subspace, Laguerre polynomials, State-space methods, Heating load, Optimization algorithms, Reduced-order models

Nonlinear Heat Diffusion Problem Solution with Spatio-Temporal Constraints Based on Regularized Gauss–Newton and Preconditioned Krylov Subspaces.

Authors: Alvarez-Velasquez, Luis Fernando Giraldo, Eduardo

Source: Eng (2673-4117). Aug2025, Vol. 6 Issue 8, p189. 19p.

Enhanced BiCGSTAB with Restrictive Preconditioning for Nonlinear Systems: A Mean Curvature Image Deblurring Approach.

Authors: Khalid, Rizwan Ahmad, Shahbaz Ali, Iftikhar et al.

Source: Mathematical & Computational Applications. Aug2025, Vol. 30 Issue 4, p76. 21p.

Dynamics of monitored SSH model in Krylov space: from complexity to quantum Fisher information.

Authors: Chakrabarti, Nilachal Nirbhan, Neha Bhattacharyya, Arpan

Source: Journal of High Energy Physics. Jul2025, Vol. 2025 Issue 7, p1-40. 40p.

Spectral analysis of block preconditioners for double saddle-point linear systems with application to PDE-constrained optimization.

Authors: Bergamaschi, Luca Martínez, Ángeles Pearson, John W. et al.

Source: Computational Optimization & Applications. Jun2025, Vol. 91 Issue 2, p423-455. 33p.

Subjects: Krylov subspace, Linear systems, Saddlepoint approximations, Eigenvalues, Polynomials, Matrices (Mathematics)

SVD‐Krylov–Based Structure‐Preserving Techniques for Approximation of a Class of Second‐Order Index‐1 Descriptor Systems.

Authors: Uddin, Mahtab Uddin, M. Monir Khan, Md. Abdul Hakim et al.

Source: Journal of Applied Mathematics. 4/2/2025, Vol. 2025, p1-15. 15p.

Subjects: Krylov subspace, Descriptor systems, Projectors, Algorithms

Inexact subspace projection methods for low-rank tensor eigenvalue problems.

Authors: Dektor, Alec DelMastro, Peter Ye, Erika et al.

Source: Linear Algebra & its Applications. Aug2026, Vol. 743, p286-321. 36p.

Subjects: Lanczos method, Krylov subspace, Eigenvalues, Iterative methods (Mathematics)

Randomized block-Krylov subspace methods for low-rank approximation of matrix functions.

Authors: Persson, David Chen, Tyler Musco, Christopher

Source: Linear Algebra & its Applications. Jul2026, Vol. 741, p32-65. 34p.

Subjects: Matrix functions, Krylov subspace, Singular value decomposition, Approximation theory, Matrix multiplications, Low-rank matrices, Numerical solutions for linear algebra

Diagonal and normal with Toeplitz-block splitting iteration method for space fractional coupled nonlinear Schrödinger equations with repulsive nonlinearities.

Authors: Zhang, Fei-Yan Yang, Xi Chen, Chao

Source: Mathematics & Computers in Simulation. Sep2026, Vol. 247, p396-421. 26p.

Subjects: Iterative methods (Mathematics), Krylov subspace, Eigenvalues, Partial differential equations

Convergence Properties of Nonlinear GMRES Applied to Linear Systems.

Authors: Greif, Chen He, Yunhui

Source: SIAM Journal on Matrix Analysis & Applications. 2026, Vol. 47 Issue 1, p330-352. 23p.

Alter-and-Excite Approach for Reduced-Order Modeling of Diffusive and Convective Transport Phenomena.

Authors: Lee, Cheol W. Jihyuk Jeong

Source: Journal of Dynamic Systems, Measurement, & Control. Jan2026, Vol. 148 Issue 1, p1-7. 7p.

Subjects: Reduced-order models, Krylov subspace, Interdisciplinary research, Transport theory, System identification, Computational fluid dynamics, Convective flow