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检索条件"主题词=evolution operator"
150 条 记 录,以下是1-10 订阅
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Regularity properties of a generalized Oseen evolution operator in exterior domains, with applications to the Navier-Stokes initial value problem
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JOURNAL OF MATHEMATICAL FLUID MECHANICS 2025年 第2期27卷 1-42页
作者: Asami, Yosuke Hishida, Toshiaki Nagoya Univ Grad Sch Math Nagoya 4648602 Japan
Consider a generalized Oseen evolution operator in 3D exterior domains, that is generated by a non-autonomous linearized system arising from time-dependent rigid motions. This was found by Hansel and Rhandi, and then ... 详细信息
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Symmetric approximations for the evolution operator
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PHYSICS LETTERS A 1999年 第1-2期257卷 1-6页
作者: Mikhailova, TY Pupyshev, VI NS Kurnakov Gen & Inorgan Chem Inst Moscow 117907 Russia Moscow MV Lomonosov State Univ Dept Chem Moscow 119899 Russia
The Lie-algebra technique is employed to construct symmetric expansions for the evolution operator of a molecular system with the Hamiltonian H-0 + V. An efficient representation for the evolution operator exp(-i/(h) ... 详细信息
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Order of convergence of evolution operator method
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INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS 1998年 第2期70卷 279-288页
作者: Ergenç, T Hasçelik, AI Middle E Tech Univ Dept Math TR-06531 Ankara Turkey
In this paper the order of convergence of the evolution operator method used to solve a nonlinear autonomous system in ODE's [2] is investigated. The order is found, to be 2N+1 where N comes from the [N+1,N] Pade&... 详细信息
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Fourth-order factorization of the evolution operator for time-dependent potentials
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PHYSICS LETTERS A 2003年 第5-6期317卷 337-342页
作者: Baye, D Goldstein, G Capel, P Free Univ Brussels B-1050 Brussels Belgium
A unitary factorization of the evolution operator at order four is derived from the Magnus expansion with a time-dependent potential. Its efficiency is tested on various mesh treatments of a forced harmonic oscillator... 详细信息
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The evolution operator of evolution algebras
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LINEAR & MULTILINEAR ALGEBRA 2022年 第19期70卷 4377-4396页
作者: Fernandez-Ternero, Desamparados Gomez-Sousa, Victor M. Nunez-Valdes, Juan Univ Seville Dept Geometria & Topol Seville Spain
This paper deals with the evolution operator of evolution algebras. The main goal is to obtain novel results of this operator, both in the case in which it is a derivation and when it is a homomorphism of algebras. Th... 详细信息
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COHERENT STATES ON LIE GROUPS AND evolution operator OF A SYSTEM OF INTERACTING BOSONS AND FERMIONS
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THEORETICAL AND MATHEMATICAL PHYSICS 1977年 第2期30卷 139-145页
作者: NOVIKOV, LF
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Using the evolution operator Method to Describe a Particle in a Homogeneous Alternating Field
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THEORETICAL AND MATHEMATICAL PHYSICS 2018年 第2期194卷 313-327页
作者: Nagiyev, Sh. M. Azerbaijan Natl Acad Sci Inst Phys Baku Azerbaijan
Using the evolution operator method, we construct coherent states of a nonrelativistic free particle with a variable mass M(t) and a nonrelativistic particle with a variable mass M(t) in a homogeneous alternating fiel... 详细信息
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On the series expansion of the spatial SIS evolution operator
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JOURNAL OF DIFFERENCE EQUATIONS AND APPLICATIONS 2011年 第7期17卷 1107-1118页
作者: Martins, Jose Aguiar, Maira Pinto, Alberto Stollenwerk, Nico Inst Politecn Leiria Escola Super Tecnol & Gestao Dept Matemat P-2411901 Leiria Portugal Univ Minho Ctr Matemat P-4710057 Braga Portugal Univ Lisbon Fac Ciencias Ctr Matemat & Aplicacoes Fundamentais P-1649003 Lisbon Portugal Fundacao Ezequiel Dias Lab Dengue & Febre Amarela BR-30510010 Horizonte MG Brazil Res Ctr Julich Julich Germany
For the spatial stochastic susceptible-infected-susceptible model, we consider the perturbative series expansion of the gap between the dominant and subdominant eigenvalues of the evolution operator. We compute explic... 详细信息
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Explicit form of the evolution operator of Tavis-Cummings model: Three and four atoms cases
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INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS 2004年 第6期1卷 721-730页
作者: Fujii, K Higashida, K Kato, R Suzuki, T Wada, Y Yokohama City Univ Dept Math Sci Yokohama Kanagawa 2360027 Japan Waseda Univ Dept Math Sci Tokyo 1698555 Japan
In this letter the explicit form of the evolution operator of the Tavis-Cummings model with three and four atoms is given. This is an important progress in quantum optics or mathematical physics.
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A simple application of the time evolution operator in the solution of a paradox in quantum mechanics
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QUANTUM STUDIES-MATHEMATICS AND FOUNDATIONS 2018年 第2期5卷 273-278页
作者: Franco, Daniel H. T. Lima, Lazaro S. Univ Fed Vicosa Dept Fis Ave Peter Henry Rolfs S-NCampus Univ BR-36570900 Vicosa MG Brazil
We reassess in this letter the issue of a paradox in quantum mechanics discussed in the literature. We indicate how this paradox can be solved, or at least avoided, through a simple application of the time evolution t... 详细信息
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