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1973, ISBN 9780444409911, x, 182
Book
1982, Banach Center publications, ISBN 9788301014957, Volume 8
Book
2004, 1st ed., North-Holland mathematics studies, ISBN 9780444513731, Volume 197, 342
The conference took place in Lviv, Ukraine and was dedicated to a famous Polish mathematician Stefan Banach ƒ{ the most outstanding representative of the Lviv... 
Functional analysis | Mathematics | Congresses
eBook
1989, Mathematics and its applications. East European series, ISBN 079230473X, Volume 41., 3 v.
Book
Colloquium Mathematicum, ISSN 0010-1354, 2017, Volume 147, Issue 2, pp. 241 - 246
"Very few" in the title means two. We show that a unital real or complex algebra generated by a nilpotent of order two can be a maximal abelian subalgebra only... 
Algebras of matrices | Banach algebras | Complex or real algebras | Maximal commutative subalgebras | MATHEMATICS | maximal commutative subalgebras | complex or real algebras | algebras of matrices
Journal Article
COLLOQUIUM MATHEMATICUM, ISSN 0010-1354, 2017, Volume 146, Issue 1, pp. 47 - 51
The algebra as in the title is constructed as a quotient of the semigroup algebra of the discrete free semigroup with a countable set of generators. 
MATHEMATICS | Banach algebras | algebras of operators | maximal commutative subalgebras
Journal Article
Functiones et Approximatio, Commentarii Mathematici, ISSN 0208-6573, 12/2015, Volume 53, Issue 2, pp. 189 - 192
We show that for every Banach space X, \dim X>1, every maximal commutative subalgebra of L(X) has uncountably many copies between maximal commutative... 
Algebra of Banach space operators | Maximal commutative subalgebra | Multiplications on Banach spaces | algebra of Banach space operators | 46H10 | 46J05 | multiplications on Banach spaces | maximal commutative subalgebra | 47L10
Journal Article
Functiones et Approximatio Commentarii Mathematici, ISSN 0208-6573, 06/2011, Volume 44, Issue 2, pp. 285 - 287
The question formulated in the title is answered in the case of a separable algebra. The necessary and sufficient condition in this case is that the ideal in... 
46J20 | dense subideal | Banach algebra
Journal Article
Rendiconti del Circolo Matematico di Palermo, ISSN 0009-725X, 8/2013, Volume 62, Issue 2, pp. 179 - 187
Journal Article
Computational Methods and Function Theory, ISSN 1617-9447, 12/2012, Volume 12, Issue 2, pp. 363 - 369
Denote by ε the locally convex space of entire functions in one complex variable, endowed with the compact-open topology, and by L(ε) — the algebra of all... 
30D20 | Computational Mathematics and Numerical Analysis | 30E10 | 47B38 | strong operator topology | Functions of a Complex Variable | 46A04 | Analysis | 47A58 | Mathematics | generators for an algebra | 47L10 | Space of entire functions | Strong operator topology | Generators for an algebra | MATHEMATICS | MATHEMATICS, APPLIED | B(X)
Journal Article
Functiones et Approximatio, Commentarii Mathematici, ISSN 0208-6573, 2013, Volume 48, Issue 1, pp. 113 - 115
In the paper [2] we have shown that in the case of a separable Banach algebra A the necessary and sufficient condition in order that a closed ideal I\subset A... 
Dense Subideals | Commutative Banach Algebras | The First Uncountable Ordinal | 46J20 | commutative Banach algebras | the first uncountable ordinal | dense subideals
Journal Article
Proceedings of the Estonian Academy of Sciences, ISSN 1736-6046, 2011, Volume 60, Issue 3, pp. 141 - 148
Journal Article
Control and Cybernetics, ISSN 0324-8569, 2007, Volume 36, Issue 3, pp. 859 - 864
It is well known that there is a one-to-one correspondence between the characters of a finitely generated commutative Banach algebra and the joint spectrum of... 
(joint) topological spectrum | Generators | Semitopological algebra | Character | generators | character | semitopological algebra | AUTOMATION & CONTROL SYSTEMS | COMPUTER SCIENCE, CYBERNETICS
Journal Article
PROCEEDINGS OF THE ESTONIAN ACADEMY OF SCIENCES, ISSN 1736-6046, 2011, Volume 60, Issue 3, pp. 141 - 148
Several properties of unital left (right) TQ-algebras are described. The conditions when a unital semitopological algebra is a left (right) TQ-algebra are... 
TQ-algebras | topological ideals | topological algebras | MULTIDISCIPLINARY SCIENCES | Q-algebras
Journal Article
Proceedings of the Estonian Academy of Sciences, ISSN 1736-6046, 09/2011, Volume 60, Issue 3, p. 141
Several properties of unital left (right) TQ-algebras are described. The conditions when a unital semitopological algebra is a left (right) TQ-algebras are... 
Algebra | Analysis
Journal Article
Banach Journal of Mathematical Analysis, ISSN 1735-8787, 2009, Volume 3, Issue 1, pp. 143 - 148
Let X be an infinite dimensional complex vector space. We show that a non-constant endomorphism of X has a proper hyperinvariant subspace if and only if its... 
Hyperinvariant subspace | Endomorphism | Locally convex space | MATHEMATICS | endomorphism | MATHEMATICS, APPLIED | hyperinvariant subspace | locally convex space | Algebras, Linear | Analysis | Banach spaces
Journal Article
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