On the Pólya-Schiffer convexity theorem and its applications for eigenvalues of vibrating strings

DOI10.11650/TWJM/1500407668zbMath1066.34081OpenAlexW1504540882MaRDI QIDQ1769533

Min-Jei Huang

Publication date: 21 March 2005

Published in: Taiwanese Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.11650/twjm/1500407668

zbMATH Keywords

eigenvalueconvexity theoremeigenfunctionsymmetric densityconcave density

Mathematics Subject Classification ID

Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15)

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