Aritmetica e algebra by M. Silvia Lucido Dikran Dikranjan at – ISBN – ISBN – Liguori – – Softcover. Aritmetica e algebra: M. Silvia Lucido Dikran Dikranjan: Books – Aritmetica e algebra (Italian) Paperback – Jan 1 Dikran N. Dikranjan is the author of Aritmetica E Algebra ( avg rating, 1 rating , 0 reviews, published ), Algebraic Structure Of Pseudocompact Gr.

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## Dikranjan, Dikran N. 1950-

On convergence groups with dense coarse subgroups by Dikran N Dikranjan 1 edition published in in English and held by 1 WorldCat member library worldwide A convergence group is a group endowed with a sequential convergence structure that is compatible with the group operations.

In particular, closure operators are used to dikranajn solutions to the epimorphism and co-well-poweredness problem in many concrete categories. The authors investigate properties of abelian convergence groups that contain a dense subgroup which is coarse.

This volume will be of interest to graduate students and professional researchers in many branches of mathematics and theoretical computer science. Cartesian products and minimality, Trans. The relationship between coarseness and completeness is investigated.

### Aritmetica E Algebra Dikran Dikranjan M Silvia LUCIDO | eBay

Nei primi tre capitoli s’introducono i concetti alla base di ogni altro corso di matematica che possono coprire un corso bimestrale di Aritmetica.

The construction is delicate, as these subgroups must have non-trivial convergent sequences in some models of ZFC. Algebraic structure of pseudocomp by Dikran N Dikranjan Book 1 edition published in in English and held by 1 WorldCat member library worldwide.

Limit free computation of entropy by Dikran N Dikranjan 1 edition published in in English and held by 1 WorldCat member library worldwide Various limit-free formulas are given for the computation of the algebraic and the topological entropy, respectively in the settings of endomorphisms of locally finite discrete groups and of continuous endomorphisms of totally disconnected compact groups.

We show that an infinite totally bounded topological group never admits a transversal group topology and we obtain a new criterion for precompactness in lattice-theoretical terms the existence of transversal group topologies for a large class of Abelian groups containing all divisible and all finitely generated groups.

All topological groups considered in this chapter are assumed to be Hausdorff. Some examples are discussed. The problem of stability of these classes under the product, direct sum operations and taking subgroups or quotients is investigated. As an application we answer the question posed in Pseudocompact and countably compact abelian groups: This answers two questions posed by Dikranjan and Shakhmatov Proc.

Weakly complete free topological groups by Dikran N Dikranjan 1 edition published in in English and held by 1 WorldCat member library worldwide.

It is also proved that every Abelian group endowed with the finest totally bounded group topology has a closed generating suitable set. This result is used to give conditions under which coarseness is preserved by products.

Most widely held works by Dikran N Dikranjan. I capitoli sono pensati per un corso bimestrale di Algebra 1 gruppi e cennisulle strutture algebrichementre i capitoli sono pensati per un corso bimestrale di Algebra 2 anelli e campi.

More generally, the Bohr topology of every locally compact Abelian group admits a suitable set. In this case the description is obtained by means of a functorial correspondence, based on Pontryagin duality, between topological and linearly topologized groups introduced by Tonolo.

Selected topics from the structure theory of topological groups by Dikran N Dikranjan 1 edition published in in English and held by 1 WorldCat member library worldwide This article contains open problems and questions covering the following topics: We show that totally minimal Abelian groups often have a suitable set.

Algebraic structure of small countably compact abelian groups by Dikran N Dikranjan 1 edition published in in English and held by 1 WorldCat member library worldwide. Abelian groups, module theory, and topology: Conference papers and proceedings.

Algebraic structure of pseudocompact groups by Dikran N Dikranjan Book 12 editions published in in English and held by WorldCat member libraries worldwide.

We prove that the positive answer to this question is equivalent to non-existence of measurable cardinals.

Continuous maps in algbera Bohr topology by Dikran N Dikranjan 1 edition published in in English and held by 1 WorldCat member library worldwide. It is shown that divisible coarse convergence groups are complete.

### Dikran N. Dikranjan (Author of Aritmetica E Algebra)

We also give a complete description of the structure of the transversable dukranjan compact Abelian groups. Alla fine d’ogni capitolo riportiamo molti esercizi che riguardano il materiale esposto nel capitolo stesso.

AuthorEditorDedicateeHonoreeOther. Categorical structure of closure operators with applications to topology, algebra, and discrete mathematics by Dikran N Dikranjan Book 15 editions published between and in English aritmettica held by WorldCat member libraries worldwide This book provides a comprehensive categorical theory of closure operators, with applications to topological and uniform spaces, groups, R-modules, fields and topological groups, as well as partially ordered sets and graphs.

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English 73 Italian 3. Crediamo sia utile avere in un unico volume sia il testo sia gli esercizi con gli svolgimenti.

The material is illustrated with many examples and exercises, and open problems are formulated which should stimulate further research. Categorical structure algebta closure operators: As applications we give new proofs of the connection between the algebraic and the topological entropy in the abelian case and of the connection of the topological entropy with the finite depth for topological automorphisms.

Knowledge of algebra, topology, and the basic notions of category theory is assumed. We show that this growth can be either polynomial or exponential.