We consider the eigenvalue problem for the Laplace operator in a bounded three-dimensional domain where a thin tube is cut out. Imposing a Neumann boundary condition on the boundary of this tube, we construct asymptotics for eigenvalues on the small parameter that is a diameter of the tube. (C) 2003 Academie des sciences. Published by Editions scientifiques et medicales Elsevier SAS. All rights reserved.
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Ovidius Univ, Fac Math & Informat, 124 Mamaia Blvd, Constanta 900527, RomaniaOvidius Univ, Fac Math & Informat, 124 Mamaia Blvd, Constanta 900527, Romania
Barbu, Luminita
Morosanu, Gheorghe
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Babes Bolyai Univ, Fac Math & Comp Sci, 1 M Kogalniceanu Str, Cluj Napoca 400084, Romania
Acad Romanian Scientists, 3 Ilfov Str,Sect 5, Bucharest, RomaniaOvidius Univ, Fac Math & Informat, 124 Mamaia Blvd, Constanta 900527, Romania
机构:
Univ Paris 06, Lab Jacques Louis Lions, F-75005 Paris, France
CNRS, UMR 7598, F-75005 Paris, France
INRIA Paris Rocquencourt, EPC Alpines, Le Chesnay, FranceUniv Paris 06, Lab Jacques Louis Lions, F-75005 Paris, France
机构:
Jilin Univ, Dept Math, Changchun 130012, Jilin, Peoples R China
Sun Yat Sen Univ, Sch Math & Computat Sci, Guangzhou 510275, Guangdong, Peoples R ChinaJilin Univ, Dept Math, Changchun 130012, Jilin, Peoples R China
Ke, Yuanyuan
Yin, Jingxue
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Jilin Univ, Dept Math, Changchun 130012, Jilin, Peoples R ChinaJilin Univ, Dept Math, Changchun 130012, Jilin, Peoples R China
Yin, Jingxue
Jin, Chunhua
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Jilin Univ, Dept Math, Changchun 130012, Jilin, Peoples R ChinaJilin Univ, Dept Math, Changchun 130012, Jilin, Peoples R China