On the Point Spectrum in the Ekman Boundary Layer Problem

被引：0
|
作者：
Gerhat, Borbala [1 ,2 ]
Ibrogimov, Orif O. [3 ]
Siegl, Petr [4 ,5 ]
机构：
[1] Univ Bern, Math Inst, Sidlerstr 5, CH-3012 Bern, Switzerland
[2] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Dept Math, Trojanova 13, Prague 12000, Czech Republic
[3] Swiss Fed Inst Technol, Inst Theoret Phys, Wolfgang Pauli Str 27, CH-8093 Zurich, Switzerland
[4] Queens Univ Belfast, Sch Math & Phys, Univ Rd, Belfast BT7 1NN, Antrim, North Ireland
[5] Graz Univ Technol, Inst Appl Math, Steyrergasse 30, A-8010 Graz, Austria
来源：
COMMUNICATIONS IN MATHEMATICAL PHYSICS | 2022年 / 392卷 / 02期
关键词：
SCHRODINGER-OPERATORS; EIGENVALUE BOUNDS; INSTABILITY;
D O I：
10.1007/s00220-022-04321-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
New eigenvalue enclosures for the block operator problem arising in the study of stability of the Ekman boundary layer are proved. This solves an open problem in [19] on the existence of open sets of eigenvalues in domains of Fredholmness of the analyzed operator family.
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页码：377 / 397
页数：21
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