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Found 408 Documents (Results 1–100)

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The composition of conditional expectation and multiplication operators. (English) Zbl 07407611

Filali, Mahmoud (ed.), Banach algebras and applications. Proceedings of the 23rd international conference, University of Oulu, Finland, November 3–11, 2017. Berlin: De Gruyter. De Gruyter Proc. Math., 47-56 (2020).
MSC:  47B20 47B38
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Hermitian geometry on resolvent set. (English) Zbl 1454.47009

André, Carlos (ed.) et al., Operator theory, operator algebras, and matrix theory. Based on the presentations at the international workshop on operator theory and operator algebras, WOAT 2016, Lisbon, Portugal, July 5–8, 2016. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 267, 167-183 (2018).
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Joint spectrum and the infinite dihedral group. (English. Russian original) Zbl 1462.47003

Proc. Steklov Inst. Math. 297, 145-178 (2017); translation from Tr. Mat. Inst. Steklova 297, 165-200 (2017).
MSC:  47A13 20C99 20E08
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On joint spectra of families of unbounded operators. (English. Russian original) Zbl 1380.47033

Izv. Math. 79, No. 6, 1235-1259 (2015); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 79, No. 6, 145-170 (2015).
MSC:  47D03 47A10 47A60
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Topological radicals. V: From algebra to spectral theory. (English) Zbl 1321.46050

Todorov, Ivan G. (ed.) et al., Algebraic methods in functional analysis. The Victor Shulman anniversary volume. Basel: Birkhäuser (ISBN 978-3-0348-0501-8/hbk; 978-3-0348-0502-5/ebook). Operator Theory: Advances and Applications 233, 171-280 (2014).
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Topological radicals and joint spectral radius. (English. Russian original) Zbl 1319.46038

Funct. Anal. Appl. 46, No. 4, 287-304 (2012); translation from Funkts. Anal. Prilozh. 46, No. 4, 61-82 (2012).
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The Browder spectrum of an elementary operator. (English) Zbl 1264.47042

Curto, Raúl E. (ed.) et al., Elementary operators and their applications. 3rd international workshop, Queen’s University Belfast, Belfast, Northern Ireland, April, 14–17, 2009. Basel: Birkhäuser (ISBN 978-3-0348-0036-5/hbk; 978-3-0348-0037-2/ebook). Operator Theory: Advances and Applications 212, 17-24 (2011).
MSC:  47B47 47A13
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Stable spectrum for pseudo-Riemannian locally symmetric spaces. (Spectre stable pour les variétés pseudo-riemanniennes localement symétriques.) (English. Abridged French version) Zbl 1208.22013

MSC:  22F30 53C30
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Hölder inequality on bounded operator. (English) Zbl 1155.47301

Gao, Hongwei (ed.) et al., Proceedings of the second international conference on game theory and applications, Qingdao, China, September 17–19, 2007. Liverpool: World Academic Union (World Academic Press) (ISBN 978-1-84626-166-4/hbk). 76-78 (2007).
MSC:  47A63 46L05
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Symplectic techniques for semiclassical completely integrable systems. (English) Zbl 1329.37055

Bolsinov, A. V. et al., Topological methods in the theory of integrable systems. Cambridge: Cambridge Scientific Publishers (ISBN 978-1-904868-42-2/hbk). 241-270 (2006).
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