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检索条件"主题词=BOUNDARY value problems -- Numerical solutions"
274 条 记 录,以下是91-100 订阅
排序:
Analytical solutions to the moving boundary problems with space-time-fractional derivatives in drug release devices
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JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL 2007年 第40期40卷 12131-12141页
作者: Li, Xicheng Xu, Mingyu Wang, Shaowei Shandong Univ Sch Math & Syst Sci Inst Appl Math Jinan 250100 Peoples R China Peking Univ Coll Engn Dept Mech & Aerosp Engn Beijing 100871 Peoples R China
A mathematical model of a solute release from a planar polymer matrix is presented and the analytical solution in terms of the Fox H function is given. The equation of space-time-fractional diffusion and a generalized... 详细信息
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RIGIDITY OF SCATTERING LENGTHS AND TRAVELLING TIMES FOR DISJOINT UNIONS OF STRICTLY CONVEX BODIES
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PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY 2015年 第9期143卷 3879-3893页
作者: Noakes, Lyle Stoyanov, Luchezar Univ Western Australia Crawley WA 6009 Australia
Obstacles K and L in R-d (d >= 2) are considered that are finite disjoint unions of strictly convex domains with C-3 boundaries. We show that if K and L have (almost) the same scattering length spectrum, or (almost... 详细信息
来源: 评论
ASYMPTOTIC INTEGRATION OF SINGULARLY PERTURBED SYSTEMS OF HYPERBOLIC-TYPE PARTIAL DIFFERENTIAL EQUATIONS WITH DEGENERATION
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UKRAINIAN MATHEMATICAL JOURNAL 2011年 第5期63卷 776-796页
作者: Samusenko, P. F. Drahomanov Natl Pedag Univ Kiev Ukraine
We construct an asymptotic solution of the first boundary-value problem for a linear singularly perturbed system of hyperbolic partial differential equations with degeneration.
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Quantum FRW cosmological solutions in the presence of Chaplygin gas and perfect fluid
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PHYSICS LETTERS B 2008年 第1-2期659卷 6-13页
作者: Pedram, P. Jalalzadeh, S. Shahid Beheshti Univ Dept Phys Tehran 19839 Iran
We present a Friedmann-Robertson-Walker quantum cosmological model in the presence of Chaplygin gas and perfect fluid for early and late time epochs. In this work, we consider perfect fluid as an effective potential a... 详细信息
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EXPANSION IN GENERALIZED EIGENFUNCTIONS FOR LAPLACIANS ON GRAPHS AND METRIC MEASURE SPACES
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TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY 2016年 第7期368卷 4933-4956页
作者: Lenz, Daniel Teplyaev, Alexander Univ Jena Math Inst D-07743 Jena Germany Univ Connecticut Dept Math Storrs CT 06269 USA
We consider an arbitrary selfadjoint operator in a separable Hilbert space. To this operator we construct an expansion in generalized eigenfunctions, in which the original Hilbert space is decomposed as a direct integ... 详细信息
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Generalized Lame operators
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COMMUNICATIONS IN MATHEMATICAL PHYSICS 2003年 第1-2期239卷 115-153页
作者: Chalykh, O Etingof, P Oblomkov, A Cornell Univ Dept Math Ithaca NY 14853 USA MIT Dept Math Cambridge MA 02139 USA
We introduce a class of multidimensional Schrodinger operators with elliptic potential which generalize the classical Lame operator to higher dimensions. One natural example is the Calogero-Moser operator, others are ... 详细信息
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On the volume of nodal sets for eigenfunctions of the Laplacian on the torus
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ANNALES HENRI POINCARE 2008年 第1期9卷 109-130页
作者: Rudnick, Zeev Wigman, Igor Tel Aviv Univ Sch Math Sci IL-69978 Tel Aviv Israel McGill Univ Dept Math & Stat Montreal PQ H3C 3J7 Canada Univ Montreal Ctr Rech Math Montreal PQ H3C 3J7 Canada
We study the volume of nodal sets for eigenfunctions of the Laplacian on the standard torus in two or more dimensions. We consider a sequence of eigenvalues 4 pi(2) E with growing multiplicity N -> infinity, and co... 详细信息
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boundary value problem with shift for an ordinary differential equation with the Dzhrbashyan-Nersesyan fractional differentiation operator
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DIFFERENTIAL EQUATIONS 2014年 第2期50卷 162-168页
作者: Bogatyreva, F. T. Russian Acad Sci Kabardino Balkar Sci Ctr Res Inst Appl Math & Automat Nalchik Russia
For a fractional ordinary differential equation with the Dzhrbashyan-Nersesyan operator, we prove a theorem on the existence and uniqueness of a solution of a boundary value problem with shift.
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Continuity of Eigenfunctions of Uniquely Ergodic Dynamical Systems and Intensity of Bragg Peaks
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COMMUNICATIONS IN MATHEMATICAL PHYSICS 2009年 第1期287卷 225-258页
作者: Lenz, Daniel Rice Univ Dept Math POBox 1892 Houston TX 77251 USA
We study uniquely ergodic dynamical systems over locally compact, sigma-compact Abelian groups. We characterize uniform convergence in Wiener/Wintner type ergodic theorems in terms of continuity of the limit. Our resu... 详细信息
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Conditions for the k-fold Completeness (0 <k <n) of root functions of an nth-order ordinary differential operator pencil
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DIFFERENTIAL EQUATIONS 2006年 第6期42卷 771-778页
作者: Vagabov, A. I. Abdurakhmanov, Z. A. Dagestan State Univ Makhachkala Russia
Conditions for the n-fold completeness of the system of root functions(eigenfunctions and associated functions) of the pencil (1), (2) in L_2(0, 1) (see [1, p. 10~2; 2])were obtained in [3]. In the lack of n-fold comp... 详细信息
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