Czasopismo
Tytuł artykułu
Autorzy
Warianty tytułu
Języki publikacji
Abstrakty
Let A be a semisimple Banach algebra. We define the rank of a nonzero element a in the socle of A to be the minimum of the number of minimal left ideals whose sum contains a. Several characterizations of rank are proved.
Słowa kluczowe
Kategorie tematyczne
Czasopismo
Rocznik
Tom
Numer
Strony
287-298
Opis fizyczny
Daty
wydano
1998
otrzymano
1997-07-15
poprawiono
1997-10-29
Twórcy
autor
- University of Maribor, PF, Koroška 160, 2000 Maribor, Slovenia, bresar@uni-mb.si
autor
- University of Maribor, SF, Smetanova 17, 2000 Maribor, Slovenia, peter.semrl@uni-mb.si
Bibliografia
- [1] J. C. Alexander, Compact Banach algebras, Proc. London Math. Soc. 18 (1968), 1-18.
- [2] B. Aupetit and T. Mouton, Spectrum-preserving linear mappings in Banach algebras, Studia Math. 109 (1994), 91-100.
- [3] B. Aupetit and T. Mouton, Trace and determinant in Banach algebras, ibid. 121 (1996), 115-136.
- [4] M. Brešar and P. Šemrl, Derivations mapping into the socle, Math. Proc. Cambridge Philos. Soc. 120 (1996), 339-346.
- [5] J. M. G. Fell and R. S. Doran, Representations of *-Algebras, Locally Compact Groups, and Banach *-Algebraic Bundles, Vol. 1, Academic Press, Boston, 1988.
- [6] A. A. Jafarian and A. R. Sourour, Spectrum preserving linear maps, J. Funct. Anal. 66 (1986), 255-261.
- [7] B. V. Limaye, A spectral characterization of operators having rank k, Linear Algebra Appl. 143 (1991), 57-66.
- [8] T. Mouton and H. Raubenheimer, On rank one and finite elements of Banach algebras, Studia Math. 104 (1993), 211-219.
- [9] P. Nylen and L. Rodman, Approximation numbers and Yamamoto's theorem in Banach algebras, Integral Equations Operator Theory 13 (1990), 728-749.
- [10] C. E. Rickart, General Theory of Banach Algebras, The University Series in Higher Mathematics, D. van Nostrand, 1960.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.bwnjournal-article-smv128i3p287bwm