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

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

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

6.
A NON-COMMUTATIVE BANACH ALGEBRA WHOSE MAXIMAL COMMUTATIVE SUBALGEBRAS ARE ALL MUTUALLY ISOMORPHIC

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

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

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

8.
Full Text
When does a closed ideal of a commutative unital Banach algebra contain a dense subideal?

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

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

We introduce here the concept of weak joint topological divisors of zero in commutative locally multiplicatively pseudoconvex Hausdorff algebras and use it for...

Locally $$m$$ -pseudoconvex algebras | Extensions of topological algebras | 46405 | Non-removable ideals | Locally bounded algebras | 46420 | Mathematics | Topological algebras | Geometry | Locally $$m$$ -convex algebras | Algebra | Weak joint topological divisors of zero | Analysis | Mathematics, general | Applications of Mathematics | Locally m-convex algebras | Locally m-pseudoconvex algebras

Locally $$m$$ -pseudoconvex algebras | Extensions of topological algebras | 46405 | Non-removable ideals | Locally bounded algebras | 46420 | Mathematics | Topological algebras | Geometry | Locally $$m$$ -convex algebras | Algebra | Weak joint topological divisors of zero | Analysis | Mathematics, general | Applications of Mathematics | Locally m-convex algebras | Locally m-pseudoconvex algebras

Journal Article

Process Safety and Environmental Protection, ISSN 0957-5820, 05/2019, Volume 125, pp. 129 - 142

Primary methods of reduction of nitrogen oxides compared to secondary ones are definitely cheaper in construction and operation, therefore they are still being...

Coal combustion | Air staging | Ultra-supercritical boiler | Numerical simulations | Furnace chamber | PULVERIZED-COAL | LARGE-SCALE | ANGLE | NOX EMISSION CHARACTERISTICS | FLOW | FURNACE | ENGINEERING, CHEMICAL | UTILITY BOILER | REDUCTION | ENGINEERING, ENVIRONMENTAL | GAS TEMPERATURE DEVIATION | Nitrogen oxide | Combustion | Numerical analysis | Furnaces | Analysis | Burnout | Oxides | Photochemicals | Boilers | Gas temperature | Heat flux | Impact analysis | Design | Fly ash | Reduction | Flue gas | Slag | Nozzles | Nitrogen oxides | Mathematical models | Configurations

Coal combustion | Air staging | Ultra-supercritical boiler | Numerical simulations | Furnace chamber | PULVERIZED-COAL | LARGE-SCALE | ANGLE | NOX EMISSION CHARACTERISTICS | FLOW | FURNACE | ENGINEERING, CHEMICAL | UTILITY BOILER | REDUCTION | ENGINEERING, ENVIRONMENTAL | GAS TEMPERATURE DEVIATION | Nitrogen oxide | Combustion | Numerical analysis | Furnaces | Analysis | Burnout | Oxides | Photochemicals | Boilers | Gas temperature | Heat flux | Impact analysis | Design | Fly ash | Reduction | Flue gas | Slag | Nozzles | Nitrogen oxides | Mathematical models | Configurations

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)

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

2004, North-Holland mathematics studies, ISBN 9780444513731, Volume 197.

Web Resource

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

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

(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

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

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

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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