On the principal eigenvalue of a periodic-parabolic problem

zbMath0763.35068MaRDI QIDQ1199981

Pasquale Buonocore

Publication date: 17 January 1993

Published in: Ricerche di Matematica (Search for Journal in Brave)

zbMATH Keywords

isoperimetric inequalityrearrangementspositive principal eigenvalue

Mathematics Subject Classification ID

Initial-boundary value problems for second-order parabolic equations (35K20) Estimates of eigenvalues in context of PDEs (35P15)

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