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Publicacions matemàtiques

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Publicacions matemàtiques 10 registres trobats  La cerca s'ha fet en 0.02 segons. 
1.
16 p, 185.3 KB Shelah's Singular Compactness Theorem / Eklof, Paul C. (University of California. Department of Mathematics)
We present Shelah's famous theorem in a version for modules, together with a self-contained proof and some examples. This exposition is based on lectures given at CRM in October 2006.
2008 - 10.5565/PUBLMAT_52108_01
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 3-18  
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2.
38 p, 338.0 KB Closed ideals with countable hull in algebras of analytic functions smooth up to the boundary / Agrafeuil, Cyril ; Zarrabi, Mohamed (Université Bordeaux I. Laboratoire Bordelais d'Analyse et de Géométrie)
We denote by T the unit circle and by D the unit disc. Let B be a semi-simple unital commutative Banach algebra of functions holomorphic in D and continuous on D, endowed with the pointwise product. [...]
2008 - 10.5565/PUBLMAT_52108_02
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 19-56  
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3.
33 p, 302.2 KB Pure braid subgroups of braided Thompson's groups / Brady, Tom (Dublin City University. Department of Mathematics) ; Burillo Puig, Josep (Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada IV) ; Cleary, Sean (The City College of New York & The CUNY Graduate Center. Department of Mathematics) ; Stein, Melanie (Trinity College. Department of Mathematics)
We describe some properties of braided generalizations of Thompson's groups, introduced by Brin and Dehornoy. We give slightly different characterizations of the braided Thompson's groups BV and BVd which lead to natural presentations which emphasize one of their subgroup-containment properties. [...]
2008 - 10.5565/PUBLMAT_52108_03
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 57-89  
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4.
9 p, 145.1 KB Bilipschitz mappings with derivatives of bounded variation / Hencl, Stanislav (Charles University (Praga, República Txeca). Department of Mathematical Analysis)
Let Ω ⊂ Rn be open and suppose that f : Ω → Rn is a bilipschitz mapping such that Df ∈ BVloc(Ω, Rn 2). We show that under these assumptions the inverse satisfies Df−1 ∈ BVloc(f(Ω), Rn 2).
2008 - 10.5565/PUBLMAT_52108_04
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 91-99  
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5.
27 p, 241.2 KB Differential transforms of Cesàro averages in weighted spaces / Bernardis, A. L. (Consejo Nacional de Investigaciones Científicas y Técnicas - CONICET (Argentina). Instituto de Matemática Aplicada del Litoral) ; Martín-Reyes, F. J. (Universidad de Málaga. Departamento de Análisis Matemático, Estadística e Investigación Operativa y Matemática Aplicada)
In this paper we obtain convergence results for the series of differences of Cesàro averages along lacunary sequences in the setting of weighted Lp-spaces. These results give some information about how the Cesàro averages converge. [...]
2008 - 10.5565/PUBLMAT_52108_05
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 101-127  
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6.
21 p, 221.2 KB Associative and Lie algebras of quotients / Perera Domènech, Francesc (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Siles Molina, Mercedes (Universidad de Málaga. Departamento de Álgebra, Geometría y Topología)
In this paper we examine how the notion of algebra of quotients for Lie algebras ties up with the corresponding well-known concept in the associative case. Specifically, we completely characterize when a Lie algebra Q is an algebra of quotients of a Lie algebra L in terms of the associative algebras generated by the adjoint operators of L and Q respectively. [...]
2008 - 10.5565/PUBLMAT_52108_06
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 129-149  
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7.
19 p, 208.2 KB Locally nilpotent linear groups with the weak chain conditions on subgroups of infinite central dimension / Kurdachenko, Leonid A. (University of Dnepropetrovsk (Ucraïna). Department of Algebra) ; Múñoz-Escolano, José M. (Universidad de Zaragoza. Departamento de Matemáticas) ; Otal, Javier (Universidad de Zaragoza. Departamento de Matemáticas)
Let V be a vector space over a field F. If G≤GL(V, F), the central dimension of G is the F-dimension of the vector space V/CV (G). In [DEK] and [KS], soluble linear groups in which the set Licd(G) of all proper infinite central dimensional subgroups of G satisfies the minimal condition and the maximal condition, respectively, have been described. [...]
2008 - 10.5565/PUBLMAT_52108_07
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 151-169  
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8.
18 p, 184.1 KB Meromorphic extendibility and the argument principle / Globevnik, Josip (University of Ljubljana. Institute of Mathematics, Physics and Mechanics)
Let ∆ be the open unit disc in C. Given a continuous function ϕ: b∆ → C\{0} denote by W(ϕ) the winding number of ϕ around the origin. We prove that a continuous function f : b∆ → C extends meromorphically through ∆ if and only if there is a number N ∈ N ∪ {0} such that W(Pf + Q) ≥ −N for every pair P, Q of polynomials such that Pf + Q 6= 0 on b∆. [...]
2008 - 10.5565/PUBLMAT_52108_08
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 171-188  
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9.
6 p, 115.7 KB Parabolic curves for diffeomorphisms in C2 / Brochero Martínez, F. E. (Universidade Federal de Minas Gerais (Belo Horizonte, Brasil). Departamento de Matemática) ; Cano Torres, Felipe (Universidad de Valladolid. Departamento de Algebra, Análisis Matemático, Geometría y Topología) ; López-Hernanz, L. (Universidad de Valladolid. Departamento de Algebra, Análisis Matemático, Geometría y Topología)
We give a simple proof of the existence of parabolic curves for diffeomorphisms in (C 2 , 0) tangent to the identity with isolated fixed point.
2008 - 10.5565/PUBLMAT_52108_09
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 189-194  
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10.
40 p, 299.0 KB Energy inequalities for a model of wave propagation in cold plasma / Otway, T. H. (Yeshiva University (Estats Units d'Amèrica). Department of Mathematics)
Energy inequalities are derived for an elliptic-hyperbolic operator arising in plasma physics. These inequalities imply the existence of distribution and weak solutions to various closed boundary-value problems. [...]
2008 - 10.5565/PUBLMAT_52108_10
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 195-234  
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