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Publicacions matemàtiques
Publicacions Matemàtiques (ISSN: 0214-1493 imprès, 2014-4350 en línia) és una revista que publica articles de qualitat de recerca de tots els camps de les matemàtiques i, de tant en quant, també actes de congressos. Aquesta revista va començar l'any 1976 amb el títol de Publicacions de la Secció de Matemàtiques (ISSN: 0210-2978 imprès, 2014-4369 en línia). L'any 1988 va introduir un nou format i comitè editorial que van donar lloc a la segona etapa d'aquesta revista.

 
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2025-07-25
06:13
14 p, 353.5 KB A non-trivial variant of Hilbert's inequality, and an application to the norm of the Hilbert matrix on the Hardy-Littlewood spaces / Daskalogiannis, Vassilis (Aristotle University of Thessaloniki. Department of Mathematics) ; Galanopoulos, Petros (Aristotle University of Thessaloniki. Department of Mathematics) ; Papadimitrakis, Michael (University of Crete (Heraklion, Grècia). Department of Mathematics and Applied Mathematics)
2025 - 10.5565/PUBLMAT6922508
Publicacions matemàtiques, Vol. 69 Núm. 2 (2025) , p. 415-428 (Articles)  
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2025-07-25
06:13
12 p, 314.7 KB Characterization and examples of commutative iso-Artinian rings / Daneshvar, Asghar (Alzahra University (Teheran, Iran). Department of Mathematics) ; Divaani-Aazar, Kamran (Alzahra University (Teheran, Iran). Department of Mathematics)
Noetherian rings have played a fundamental role in commutative algebra, algebraic number theory, and algebraic geometry. Along with their dual, Artinian rings, they have many generalizations, including the notions of iso-Noetherian and iso-Artinian rings. [...]
2025 - 10.5565/PUBLMAT6922507
Publicacions matemàtiques, Vol. 69 Núm. 2 (2025) , p. 403-414 (Articles)  
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2025-07-25
06:13
22 p, 485.8 KB Dimension formulas for spaces of vector-valued Siegel modular forms of degree 2 and level 2 / Bergström, Jonas (Stockholms Universitet (Estocolm, Suècia). Matematiska institutionen) ; Cléry, Fabien (Loughborough University)
Using a description of the cohomology of local systems on the moduli space of abelian surfaces with a full level 2 structure, together with a computation of Euler characteristics, we find the isotypical decomposition, under the symmetric group on six letters, of spaces of vector-valued Siegel modular forms of degree 2 and level 2.
2025 - 10.5565/PUBLMAT6922505
Publicacions matemàtiques, Vol. 69 Núm. 2 (2025) , p. 367-388 (Articles)  
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2025-07-25
06:13
25 p, 411.3 KB A duality-based approach to gradient flows of linear growth functionals / Górny, Wojciech (Universität Wien. Faculty of Mathematics) ; Mazón, José M. (Universitat de València. Departament d'Anàlisi Matemàtica)
We study gradient flows of general functionals with linear growth with very weak assumptions. Classical results concerning characterisation of solutions require differentiability of the Lagrangian, as for the time-dependent minimal surface equation, or a special form of the Lagrangian as in the total variation flow. [...]
2025 - 10.5565/PUBLMAT6922504
Publicacions matemàtiques, Vol. 69 Núm. 2 (2025) , p. 341-365 (Articles)  
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2025-07-25
06:13
37 p, 456.1 KB Ground state solutions of the Schrödinger-Poisson-Slater equation with double critical exponents / Lei, Chunyu (Guizhou Minzu University (Guiyang, Xina). School of Sciences) ; Lei, Yutian (Nanjing Normal University (Nanjing, Xina). School of Mathematical Sciences)
This paper is concerned with the Schr¨odinger-Poisson-Slater (SPS) equation with double critical exponents. Such exponents appear in the Coulomb-Sobolev inequality, one being the Sobolev exponent and the other being called the Coulomb exponent here. [...]
2025 - 10.5565/PUBLMAT6922511
Publicacions matemàtiques, Vol. 69 Núm. 2 (2025) , p. 473-509 (Articles)  
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2025-07-25
06:13
16 p, 341.4 KB On the indecomposable involutive solutions of the Yang-Baxter equation of finite primitive level / Castelli, Marco (Università del Salento (Lecce, Itàlia). Dipartimento di Matematica e Fisica "Ennio De Giorgi")
In this paper, we study the class of indecomposable involutive solutions of the Yang-Baxter equation of finite primitive level, recently introduced by Cedó and Okninski in [13]. We give a group-theoretic characterization of these solutions by means of displacement groups, and we apply this result to compute and enumerate those having small size. [...]
2025 - 10.5565/PUBLMAT6922509
Publicacions matemàtiques, Vol. 69 Núm. 2 (2025) , p. 429-444 (Articles)  
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2025-07-25
06:13
14 p, 327.5 KB Topological dimension zero and some related properties / Pasnicu, Cornel (University of Texas at San Antonio. Department of Mathematics) ; Rouzbehani, Mohammad (University of Tehran (Teheran, Iran). School of Mathematics, Statistics and Computer Science)
In this paper, we introduce and study the C*-algebras with property (IC) and with other related properties. We prove that, surprisingly, residual (IC) is equivalent to topological dimension zero (and to another property), and that in the class of C*-algebras with topological dimension zero, pure infiniteness and strong pure infiniteness coincide, providing a partial positive answer to a question of Kirchberg and Rørdam in [12]. [...]
2025 - 10.5565/PUBLMAT6922506
Publicacions matemàtiques, Vol. 69 Núm. 2 (2025) , p. 389-402 (Articles)  
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2025-07-25
06:13
22 p, 556.2 KB Weighted stability estimates for maximal operators / Kamiński, Łukasz (University of Warsaw (Polònia). Department of Mathematics, Informatics and Mechanics) ; Osekowski, Adam (University of Warsaw (Polònia). Department of Mathematics, Informatics and Mechanics)
We study sharp stability estimates associated with the boundedness of maximal operators on weighted Lp spaces.
2025 - 10.5565/PUBLMAT6922503
Publicacions matemàtiques, Vol. 69 Núm. 2 (2025) , p. 319-340 (Articles)  
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2025-07-25
06:13
27 p, 523.3 KB Pointwise localization and sharp weighted bounds for Rubio de Francia square functions / Di Plinio, Francesco (Università di Napoli. Dipartimento di Matematica e Applicazioni) ; Flórez Amatriain, Mikel (Basque Center for Applied Mathematics (BCAM)) ; Parissis, Ioannis (Universidad del País Vasco. Departamento de Matemáticas) ; Roncal, Luz (Basque Center for Applied Mathematics (BCAM))
Let Hωf be the Fourier restriction of f ∈ L2 (R) to an interval ω ⊂ R. If Ω is an arbitrary collection of pairwise disjoint intervals, the square function of {Hωf : ω ∈ Ω} is termed the Rubio de Francia square function T Ω RF. [...]
2025 - 10.5565/PUBLMAT6922510
Publicacions matemàtiques, Vol. 69 Núm. 2 (2025) , p. 445-471 (Articles)  
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2025-07-25
06:13
31 p, 476.4 KB Some remarks on the Maslov index / Pitsch, Wolfgang (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
It is a classical fact that the Kashiwara{Wall index of a triplet of Lagrangians in a symplectic space over a field K defines a 2-cocycle µ KW on the associated symplectic group with values in the Witt group of k. [...]
2025 - 10.5565/PUBLMAT6922501
Publicacions matemàtiques, Vol. 69 Núm. 2 (2025) , p. 267-297 (Articles)  
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