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Publicacions matemàtiques Encontrados 11 registros  La búsqueda tardó 0.02 segundos. 
1.
48 p, 601.3 KB Bilinear weighted Hardy inequality for nonincreasing functions / Krepela, Martin (Charles University (República Txeca). Department of Mathematical Analysis)
2017 - 10.5565/PUBLMAT_61117_01
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 3-50 (Articles)  
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2.
32 p, 460.2 KB Automorphisms groups of simplicial complexes of infinite type surfaces / Hernández Hernández, Jesús ; Váldez, Ferran (Universidad Nacional Autónoma de México. Centro de Ciencias Matemáticas)
Let S be an orientable surface of innite genus with a nite numberof boundary components. In this work we consider the curve complex C(S), the nonseparating curve complex N(S), and the Schmutz graph G(S) of S. [...]
2017 - 10.5565/PUBLMAT_61117_02
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 51-82 (Articles)  
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3.
22 p, 394.5 KB A Marcinkiewicz integral type characterization of the Sobolev space / Hajlasz, Piotr (University of Pittsburgh (Estats Units d'Amèrica). Department of Mathematics) ; Liu, Zhuomin (Charles University (Txecoslovàquia). Department of Mathematical Analysis)
In this paper we present a new characterization of the Sobolev space W1,p , 1 < p < ∞ which is a higher dimensional version of a result of Waterman [32]. We also provide a new and simplified proof of a recent result of Alabern, Mateu, and Verdera [2]. [...]
2017 - 10.5565/PUBLMAT_61117_03
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 83-104 (Articles)  
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4.
30 p, 761.9 KB A formula for the Dubrovnik polynomial of rational knots / Caprau, Carmen (California State University (Estats Units d'Amèrica). Department of Mathematics) ; Urabe, Katherine (DataWORKS Educational Research (Estats Units d'Amèrica))
We provide a formula for the Dubrovnik polynomial of a rational knot in terms of the entries of the tuple associated with a braid-form diagram of the knot. Our calculations can be easily carried out using a computer algebra system.
2017 - 10.5565/PUBLMAT_61117_04
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 105-134 (Articles)  
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5.
17 p, 341.3 KB Low energy canonical immersions into hyperbolic manifolds and standard spheres / del Rio, Heberto (Barry University (Estats Units d'Amèrica). Department of Mathematics & Computer Sciences) ; Santos, Walcy (Universidade Federal do Rio de Janeiro (Brasil). Instituto de Matematica) ; Simanca, Santiago R. (University of Miami (Estats Units d'Amèrica). Department of Mathematics)
We consider critical points of the global L2-norm of the second fundamental form, and of the mean curvature vector of isometric immersions of compact Riemannian manifolds into a fixed background Riemannian manifold, as functionals over the space of deformations of the immersion. [...]
2017 - 10.5565/PUBLMAT_61117_05
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 135-151 (Articles)  
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6.
21 p, 452.3 KB An example pertaining to the failure of the Besicovitch-Federer structure theorem in Hilbert space / De Pauw, Thierry (Institut de Mathématiques de Jussieu (París))
We give an example, in the innite dimensional separable Hilbert space, of a purely unrectiable Borel set with nite nonzero one dimensional Hausdor measure, whose projection is nonnegligible in a set of directions which is not Aronszajn null.
2017 - 10.5565/PUBLMAT_61117_06
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 153-173 (Articles)  
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7.
38 p, 552.6 KB Equigeneric and equisingular families of curves on surfaces / Dedieu, Thomas (Université Paul Sabatier (França). Institut de Mathématiques de Toulouse) ; Sernesi, E. (Universitá Roma Tre. Dipartimento di Matematica e Fisica)
We investigate the following question: let C be an integral curve contained in a smooth complex algebraic surface X; is it possible to deform C in X into a nodal curve while preserving its geometric genus? We armatively answer it in most cases when X is a Del Pezzo or Hirzebruch surface (this is due to Arbarello and Cornalba, Zariski, and Harris), and in some cases when X is a K3 surface. [...]
2017 - 10.5565/PUBLMAT_61117_07
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 175-212 (Articles)  
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8.
26 p, 522.3 KB Blow-up solutions for some nonlinear elliptic equations involving a Finsler-Laplacian / Della Pietra, Francesco (Universitá degli studi di Napoli Federico II. Dipartimento di Matematica e Applicazioni "R. Caccioppoli") ; di Blasio, Giuseppina (Seconda Universitá degli studi di Napoli. Dipartimento di Matematica e Fisica)
2017 - 10.5565/PUBLMAT_61117_08
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 213-228 (Articles)  
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9.
20 p, 413.2 KB Continuity of solutions to space-varying pointwise linear elliptic equations / Bandara, Lashi (Chalmers University of Technology (Suècia))
We consider pointwise linear elliptic equations of the form Lα uα = ŋα on a smooth compact manifold where the operators Lα are in divergence form with real, bounded, measurable coefficients that vary in the space variableα. [...]
2017 - 10.5565/PUBLMAT_61117_09
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 239-258 (Articles)  
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10.
23 p, 391.9 KB Localization genus / Møller, Jesper M. (Matematisk Institut (Copenhaguen, Dinamarca)) ; Scherer, Jérôme (École Polytechnique fédérale de Lausanne (Suïssa))
Which spaces look like an n-sphere through the eyes of the n-th Postnikov section functor and the n-connected cover functor? The answer is what we call the Postnikov genus of the n-sphere. We dene in fact the notion of localization genus for any homotopical localization functor in the sense of Bouseld and Dror Farjoun. [...]
2017 - 10.5565/PUBLMAT_61117_10
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 259-281 (Articles)  
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11.
7 p, 280.7 KB Right Engel elements of stability groups of general series in vector spaces / Wehrfritz, B. A. F. (Queen Mary University of London. School of Mathematical Sciences)
Let V be an arbitrary vector space over some division ring D, L a general series of subspaces of V covering all of V \ {0} and S the full stability subgroup of L in GL(V). We prove that always the set of bounded right Engel elements of S is equal to the w-th term of the upper central series of S and that the set of right Engel elements of S is frequently equal to the hypercentre of S.
2017 - 10.5565/PUBLMAT_61117_11
Publicacions matemàtiques, Vol. 61 Núm. 1 (2017) , p. 283-289 (Articles)  
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