TY - JOUR
T1 - On the Point Spectrum in the Ekman Boundary Layer Problem
AU - Gerhat, Borbala
AU - Ibrogimov, Orif O.
AU - Siegl, Petr
N1 - Publisher Copyright:
© 2022, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.
PY - 2022/6
Y1 - 2022/6
N2 - 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.
AB - 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.
KW - Ekman boundary layer
KW - non-self-adjoint operators
KW - eigenvalue enclosure
KW - Birman-Schwinger principle
UR - http://www.scopus.com/inward/record.url?scp=85127553570&partnerID=8YFLogxK
U2 - 10.1007/s00220-022-04321-0
DO - 10.1007/s00220-022-04321-0
M3 - Article
AN - SCOPUS:85127553570
SN - 0010-3616
VL - 392
SP - 377
EP - 397
JO - Communications in Mathematical Physics
JF - Communications in Mathematical Physics
IS - 2
ER -