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Sums of reciprocal Stekloff eigenvalues
Author(s) -
Dittmar Bodo
Publication year - 2004
Publication title -
mathematische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 50
eISSN - 1522-2616
pISSN - 0025-584X
DOI - 10.1002/mana.200310158
Subject(s) - mathematics , reciprocal , eigenvalues and eigenvectors , domain (mathematical analysis) , complex plane , plane (geometry) , simply connected space , pure mathematics , combinatorics , mathematical analysis , geometry , quantum mechanics , physics , philosophy , linguistics
Let 0 = λ 1 < λ 2 ≤ λ 3 ≤ … be the Stekloff eigenvalues of a plane domain. The paper is concerned with formulas for ∑ ∞ 2 λ (–2) j in simply and doubly connected domains. In the simply connected case it is proven that the disk minimized this sum. (© 2004 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)