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On the spectrum of cosine operator functions

✍ Scribed by Carlos Lizama


Publisher
SP Birkhäuser Verlag Basel
Year
1989
Tongue
English
Weight
306 KB
Volume
12
Category
Article
ISSN
0378-620X

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On the Spectrum of Cosine Functions
✍ Elena Schüler 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 138 KB

In this paper we give characterizations of the resolvent set of the generator A of Ž . a strongly continuous cosine function C t in terms of certain solution properties Ž . Ž . Ž . of the differential equation uЉ t s Au t q f t .