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Resultats globals: 30 registres trobats en 0.03 segons.
Articles, 29 registres trobats
Llibres i col·leccions, 1 registres trobats
Articles 29 registres trobats  1 - 10següentfinal  anar al registre:
1.
60 p, 863.0 KB On analogues of Mazur-Tate type conjectures in the Rankin-Selberg setting / Cauchi, Antonio (Universitat Politècnica de Catalunya. Departament de Matemàtiques) ; Lei, Antonio (Université Laval. Département de Mathématiques et de Statistique)
We study the Fitting ideals over the finite layers of the cyclotomic Zp-extension of Q of Selmer groups attached to the Rankin-Selberg convolution of two modular forms f and g. Inspired by the theta elements for modular forms defined by Mazur and Tate in [32], we define new theta elements for Rankin-Selberg convolutions of f and g using Loeffler-Zerbes' geometric p-adic L-functions attached to f and g. [...]
We study the Fitting ideals over the finite layers of the cyclotomic Zp-extension of Q of Selmer groups attached to the Rankin-Selberg convolution of two modular forms f and g. Inspired by the theta elements for modular forms defined by Mazur and Tate in [32], we define new theta elements for Rankin-Selberg convolutions of f and g using Loeffler-Zerbes' geometric p-adic L-functions attached to f and g. [...]
2022 - 10.5565/PUBLMAT6622204
Publicacions matemàtiques, Vol. 66 Núm. 2 (2022) , p. 571-630 (Articles)  
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2.
18 p, 333.3 KB Solving polynomials with ordinary differential equations / Gasull, Armengol (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Giacomini, Hector (Université de Tours. Institut Denis Poisson)
In this work we consider a given root of a family of n-degree polynomials as a one-variable function that depends only on the independent term. Then we prove that this function satisfies several ordinary differential equations (ODE). [...]
2021 - 10.1016/j.exmath.2021.06.001
Expositiones Mathematicae, Vol. 39, Issue 4 (December 2021) , p. 624-643  
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3.
36 p, 523.1 KB Gelfand-type problems involving the 1-Laplacian operator / Molino, Alexis (Universidad de Almería. Departamento de Matemáticas.) ; Segura de León, Sergio (Universitat de València. Departament d'Anàlisi Matemàtica)
In this paper, the theory of Gelfand problems is adapted to the 1-Laplacian setting. Concretely, we deal with the following problem: −∆1u = λf(u) in Ω,u = 0 on ∂Ω, where Ω ⊂ RN (N ≥ 1) is a domain, λ ≥ 0, and f : [0, +∞[ → ]0, +∞[ is any continuous increasing and unbounded function with f(0) > 0. [...]
2022 - 10.5565/PUBLMAT6612211
Publicacions matemàtiques, Vol. 66 Núm. 1 (2022) , p. 269-304 (Articles)  
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4.
77 p, 1.1 MB Gradient of the single layer potential and quantitative rectifiability for general Radon measures / Puliatti, Carmelo (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
We identify a set of sufficient local conditions under which a significant portion of a Radon measure μ on with compact support can be covered by an uniformly n-rectifiable set, at the level of a ball such that . [...]
2022 - 10.1016/j.jfa.2021.109376
Journal of Functional Analysis, Vol. 282, Issue 6 (March 2022) , art. 109376  
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5.
30 p, 515.7 KB Bielliptic modular curves X0* (N) / Bars Cortina, Francesc (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; González Rovira, Josep (Universitat Politècnica de Catalunya. Departament de Matemàtiques)
Let N ≥ 1 be a integer such that the modular curve X0* (N) has genus ≥ 2. We prove that X0* (N) is bielliptic exactly for 69 values of N. In particular, we obtain that X0* (N) is bielliptic over the base field for all these values of N, except X0*(160) that is not bielliptic over Q but it does over Q(√-1). [...]
2020 - 10.1016/j.jalgebra.2020.02.028
Journal of Algebra, Vol. 559 (October 2020) , p. 726-759  
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6.
32 p, 390.2 KB A symmetry result for cooperative elliptic systems with singularities / Biagi, Stefano (Università Politecnica della Marche. Dipartimento di Ingegneria Industriale e Scienze Matematiche) ; Valdinoci, Enrico (University of Western Australia. Department of Mathematics and Statistics) ; Vecchi, Eugenio (Università degli Studi di Trento. Dipartimento di Matematica)
We obtain symmetry results for solutions of an elliptic system of equationpossessing a cooperative structure. The domain in which the problem is set maypossess "holes" or "small vacancies" (measured in terms of capacity) along which thesolution may diverge. [...]
2020 - 10.5565/PUBLMAT6422010
Publicacions matemàtiques, Vol. 64 Núm. 2 (2020) , p. 621-652 (Articles)  
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7.
43 p, 564.4 KB On the elliptic stark conjecture in higherweight / Gatti, Francesca (Universitat Politècnica de Catalunya. Departament de Matemàtiques) ; Guitart, Xavier (Universitat de Barcelona. Departament de Matemàtiques i Informàtica)
We study the special values of the triple product p-adic L-function constructedby Darmon and Rotger at all classical points outside the region of interpolation. We propose conjectural formulas for these values that can be seen as extendingthe Elliptic Stark Conjecture, and we provide theoretical evidence for them by provingsome particular cases.
2020 - 10.5565/PUBLMAT6422009
Publicacions matemàtiques, Vol. 64 Núm. 2 (2020) , p. 577-619 (Articles)  
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8.
17 p, 796.3 KB Besov regularity for solutions of p-harmonic equations / Clop, Albert (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Giova, Raffaella (Università degli Studi di Napoli "Parthenope". Dipartimento di Studi Economici e Giuridici) ; Passarelli Di Napoli, Antonia (Università degli Studi di Napoli "Federico II". Dipartimento di Matematica e Applicazioni "R. Caccioppoli")
We establish the higher fractional differentiability of the solutions to nonlinear elliptic equations in divergence form, i. e. , divA(x, Du) = div F, when A is a p-harmonic type operator, and under the assumption that x → A(x, ζ) belongs to the critical Besov-Lipschitz space B We prove that some fractional differentiability assumptions on F transfer to Du with no losses in the natural exponent of integrability. [...]
2019 - 10.1515/anona-2017-0030
Advances in Nonlinear Analysis, Vol. 8, Issue 1 (January 2019) , p. 762-778  
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9.
18 p, 391.6 KB Lattice points in elliptic paraboloids / Chamizo Lorente, Fernando (Universidad Autónoma de Madrid. Departamento de Matemáticas) ; Pastor, Carlos (Instituto de Ciencias Matemáticas (Madrid, Espanya))
We consider the lattice point problem corresponding to a family of elliptic paraboloids in Rd with d ≥ 3 and we prove the expected to be optimal exponent, improving previous results. This is especially noticeable for d = 3 because the optimal exponent is conjectural even for the sphere. [...]
2019 - 10.5565/PUBLMAT6311912
Publicacions matemàtiques, Vol. 63 Núm. 1 (2019) , p. 343-360 (Articles)  
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10.
78 p, 710.4 KB Fundamental matrices and green matrices for non-homogeneous elliptic systems / Davey, Blair (City College of New York-CUNY. Department of Mathematics) ; Hill, Jonathan (University of Minnesota. School of Mathematics) ; Mayboroda, Svitlana (University of Minnesota. School of Mathematics)
In this paper, we establish existence, uniqueness, and scale-invariant estimates for fundamental solutions of non-homogeneous second order elliptic systems with bounded measurable coefficients in Rn and for the corresponding Green functions in arbitrary open sets. [...]
2018 - 10.5565/PUBLMAT6221807
Publicacions matemàtiques, Vol. 62 Núm. 2 (2018) , p. 537-614 (Articles)  
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Articles : 29 registres trobats   1 - 10següentfinal  anar al registre:
Llibres i col·leccions 1 registres trobats  
1.
14 p, 253.9 KB On the set of periods of the 2-periodic Lyness' equation / Bastien, Guy (Université Pierre et Marie Curie) ; Mañosa Fernández, Víctor 1971- (Universitat Politècnica de Catalunya. Departament de Matemàtiques) ; Rogalski, Marc (Université des Sciences et Technologies de Lille)
We study the periodic solutions of the non-autonomous periodic Lyness' recurrence u = (a + u )/u, where {a} is a cycle with positive values a,b and with positive initial conditions. Among other methodological issues we give an outline of the proof of the following results: (1) If (a, b) ≠ (1, 1), then there exists a value p(a, b) such that for any p > p(a, b) there exist continua of initial conditions giving rise to 2p-periodic sequences. [...]
Cham, Switzerland: Springer, 2016 (Springer Proceedings in Mathematics & Statistics ; 180) - 10.1007/978-3-662-52927-0_22
IDifference Equations, Discrete Dynamical Systems and Applications, 2016, p. 321-335  
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