Results 11 to 20 of about 5,496,658 (160)

The Lanczos algorithm and complex Gauss quadrature [PDF]

open access: yesETNA - Electronic Transactions on Numerical Analysis, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Pozza S, Pranic MS, Strakos Z
openaire   +3 more sources

Scattering in the Ising model with the quantum Lanczos algorithm [PDF]

open access: yesNew Journal of Physics, 2021
Time evolution and scattering simulation in phenomenological models are of great interest for testing and validating the potential for near-term quantum computers to simulate quantum field theories.
Kübra Yeter-Aydeniz   +2 more
doaj   +2 more sources

Inflationary power spectrum from the Lanczos algorithm [PDF]

open access: yesEuropean Physical Journal C: Particles and Fields
The generalized Lanczos algorithm can provide a universal method for constructing a wave function under the the Hamiltonian group structure. Based on this fact, we obtain an open two-mode squeezed state as the quantum origin for the curvature ...
Ke-Hong Zhai   +2 more
doaj   +2 more sources

Superlinear Convergence of Randomized Block Lanczos Algorithm [PDF]

open access: yes2018 IEEE International Conference on Data Mining (ICDM), 2018
10 pages, 6 figures, accepted by 2018 IEEE International Conference on Data ...
Qiaochu Yuan, Ming Gu, Bo Li
openaire   +4 more sources

The Lanczos algorithm with partial reorthogonalization [PDF]

open access: yesMathematics of Computation, 1984
The Lanczos algorithm is becoming accepted as a powerful tool for finding the eigenvalues and for solving linear systems of equations. Any practical implementation of the algorithm suffers however from roundoff errors, which usually cause the Lanczos vectors to lose their mutual orthogonality.
H. Simon
openaire   +3 more sources

The Lanczos algorithm for matrix functions: a handbook for scientists

open access: yesCoRR
Lanczos-based methods have become standard tools for tasks involving matrix functions. Progress on these algorithms has been driven by several largely disjoint communities, resulting many innovative and important advancements which would not have been possible otherwise.
Tyler Chen
openaire   +3 more sources

Stability of the Lanczos algorithm on matrices with regular spectral distributions [PDF]

open access: yesLinear Algebra and its Applications, 2023
We study the stability of the Lanczos algorithm run on problems whose eigenvector empirical spectral distribution is near to a reference measure with well-behaved orthogonal polynomials.
Tyler Chen, T. Trogdon
semanticscholar   +1 more source

Lippmann–Schwinger–Lanczos algorithm for inverse scattering problems [PDF]

open access: yesInverse Problems, 2021
Data-driven reduced order models (ROMs) are combined with the Lippmann–Schwinger integral equation to produce a direct nonlinear inversion method. The ROM is viewed as a Galerkin projection and is sparse due to Lanczos orthogonalization.
V. Druskin, Shari Moskow, M. Zaslavsky
semanticscholar   +1 more source

Smooth particle mesh Ewald-integrated stochastic Lanczos many-body dispersion algorithm. [PDF]

open access: yesJournal of Chemical Physics, 2023
We derive and implement an alternative formulation of the Stochastic Lanczos algorithm to be employed in connection with the Many-Body Dispersion model (MBD).
Pier Paolo Poier   +2 more
semanticscholar   +1 more source

Operator growth and Krylov construction in dissipative open quantum systems

open access: yesJournal of High Energy Physics, 2022
Inspired by the universal operator growth hypothesis, we extend the formalism of Krylov construction in dissipative open quantum systems connected to a Markovian bath.
Aranya Bhattacharya   +3 more
doaj   +1 more source

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