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20152019
most citedNon-linear eigenvalue problems and applications to photonic crystals

2 citations · 2 across the 4 of their papers we have counts for

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math.FA2017

Accumulation of Complex Eigenvalues of a Class of Analytic Operator Functions

Christian Engström, Axel Torshage

For analytic operator functions, we prove accumulation of branches of complex eigenvalues to the essential spectrum. Moreover, we show minimality and completeness of the correspond…