Weyl's theorem for algebraically absolute--paranormal operators.
Senthilkumar, D., Maheswari Naik, P. (2011)
Banach Journal of Mathematical Analysis [electronic only]
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Senthilkumar, D., Maheswari Naik, P. (2011)
Banach Journal of Mathematical Analysis [electronic only]
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Schmoeger, Christoph (2005)
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Graff, Grzegorz, Nowak-Przygodzki, Piotr (2003)
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Castro, Alfonso, Chang, Chen (2010)
Revista Colombiana de Matemáticas
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Chiş, Adela (2005)
Acta Universitatis Apulensis. Mathematics - Informatics
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Mohamed Barraa, Mohamed Boumazgour (2001)
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Wysocki, Hubert, Zellma, Marek (2005)
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Mathematics Subject Classification: 44A40, 45B05 The paper presents an abstract linear second kind Fredholm integral equation with degenerated kernel defined by means of the Bittner operational calculus. Fredholm alternative for mutually conjugated integral equations is also shown here. Some examples of solutions of the considered integral equation in various operational calculus models are also given.
M. Berkani, H. Zariouh (2010)
Matematički Vesnik
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Duduchava, R., Kapanadze, D. (1999)
Georgian Mathematical Journal
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Johannes Sjöstrand (2009)
Journées Équations aux dérivées partielles
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This text contains a slightly expanded version of my 6 hour mini-course at the PDE-meeting in Évian-les-Bains in June 2009. The first part gives some old and recent results on non-self-adjoint differential operators. The second part is devoted to recent results about Weyl distribution of eigenvalues of elliptic operators with small random perturbations. Part III, in collaboration with B. Helffer, gives explicit estimates in the Gearhardt-Prüss theorem for semi-groups.
Pyatkov, S.G., Abasheeva, N.L. (2002)
Sibirskij Matematicheskij Zhurnal
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