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Articles, 17 records found
Articles 17 records found  1 - 10next  jump to record:
1.
26 p, 409.7 KB Logarithmic Hardy-Littlewood-Sobolev inequality on pseudo-Einstein 3-manifolds and the logarithmic Robin mass / Maalaoui, Ali (Clark University (Worcester, Estats Units d'Amèrica). Department of Mathematics)
Given a three-dimensional pseudo-Einstein CR manifold (M, T1,0M, θ),vwe study the existence of a contact structure conformal to θ for which the logarithmic Hardy-Littlewood-Sobolev (LHLS) inequality holds. [...]
2023 - 10.5565/PUBLMAT6722302
Publicacions matemàtiques, Vol. 67 Núm. 2 (2023) , p. 515-540 (Articles)  
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2.
8 p, 122.9 KB C1 self-maps on closed manifolds with finitely many periodic points all of them hyperbolic / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Sirvent, Víctor F. (Universidad Simón Bolívar. Departamento de Matemáticas (Venezuela))
Let X be a connected closed manifold and f a self-map on X. We say that f is almost quasi-unipotent if every eigenvalue λ of the map f∗k (the induced map on the k-th homology group of X) which is neither a root of unity, nor a zero, satisfies that the sum of the multiplicities of λ as eigenvalue of all the maps f∗k with k odd is equal to the sumof the multiplicities of λ as eigenvalue of all the maps f∗k with k even. [...]
2016 - 10.21136/MB.2016.6
Mathematica Bohemica, Vol. 141, Issue 1 (2016) , p. 83-90  
Detailed record - Creative Commons
3.
11 p, 452.7 KB Entropy and periods for continuous graph maps / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Sirvent, Víctor F. (Universidad Católica del Norte. Departamento de Matemáticas (Chile))
For continuous self-maps on topological graphs, we provide new relationships between their topological entropy, their homology and their periods.
2021 - 10.1007/s40314-021-01677-2
Computational & Applied Mathematics, Vol. 40, Issue 8 (December 2021) , art. 300  
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4.
12 p, 413.8 KB Periods of Morse-Smale diffeomorphisms on Sn, Sm × Sn, CPn and HPn / Cufí Cabré, Clara (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
We study the set of periods of the Morse-Smale diffeomorphisms on the n-dimensional sphere Sn, on products of two spheres of arbitrary dimension Sm×Sn with m≠n, on the n-dimensional complex projective space CPn and on the n-dimensional quaternion projective space HPn. [...]
2022 - 10.1007/s11784-021-00918-5
Journal of fixed point theory and applications, Vol. 24, Issue 1 (February 2022) , art. 4  
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5.
18 p, 388.9 KB On topological entropy, Lefschetz numbers and Lefschetz zeta functions / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Sirvent, Víctor F. (Universidad Simón Bolívar. Departamento de Matemáticas (Venezuela))
In the present article we give sufficient conditions for C∞ self-maps on some connected compact manifolds in order to have positive entropy. The conditions are given in terms of the Lefschetz numbers of the iterates of the map and/or its Lefschetz zeta function. [...]
2019 - 10.1016/j.topol.2019.106906
Topology and its applications, Vol. 268 (December 2019) , art. 106906  
Detailed record - Creative Commons
6.
61 p, 630.2 KB Bandlimited approximations and estimates for the Riemann zeta-function / Carneiro, Emanuel (The Abdus Salam International Centre for Theoretical Physics (Trieste, Itàlia)) ; Chirre, Andrés (Instituto Nacional de Matemática Pura e Aplicada (Rio de Janeiro, Brasil)) ; Milinovich, Micah B. (University of Mississippi. Department of Mathematics)
In this paper we provide explicit upper and lower bounds for the argument of the Riemann zeta-function and its antiderivatives in the critical strip under the assumption of the Riemann hypothesis. This extends the previously known bounds for these quantities on the critical line (and sharpens the error terms in such estimates). [...]
2019 - 10.5565/PUBLMAT6321906
Publicacions matemàtiques, Vol. 63 Núm. 2 (2019) , p. 601-661 (Articles)  
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7.
7 p, 419.1 KB On the periods of a continuous self-map on a graph / Guirao, Juan Luis Garcia (Universidad Politécnica de Cartagena. Departamento de Matemática Aplicada y Estadística) ; Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
Let G be a graph and f be a continuous self-map on G. We present new and known results (from another point of view) on the periods of the periodic orbits of f using mainly the action of f on its homology, or the shape of the graph G.
2019 - 10.1007/s40314-019-0846-0
Computational & Applied Mathematics, Vol. 38, Issue 2 (June 2019) , art. 78  
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8.
11 p, 2.2 MB On Lefschetz periodic point free self-maps / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Sirvent, Víctor F. (Universidad Simón Bolívar(Venezuela). Departamento de Matemáticas)
We study the periodic point free maps on connected retract of a finite simplicial complex using the Lefschetz numbers. We put special emphasis in the self-maps on the product of spheres and of the wedge sums of spheres.
2018 - 10.1007/s11784-018-0498-5
Journal of fixed point theory and applications, Vol. 30, issue 38 (March 2018)  
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9.
25 p, 390.5 KB Determinants of Laplacians on Hilbert modular surfaces / Gon, Yasuro (Kyushu University (Japó). Faculty of Mathematics)
We study regularized determinants of Laplacians acting on the space of Hilbert-Maass forms for the Hilbert modular group of a real quadratic field. Weshow that these determinants are described by Selberg type zeta functions introduced in [5, 6].
2018 - 10.5565/PUBLMAT6221808
Publicacions matemàtiques, Vol. 62 Núm. 2 (2018) , p. 615-639 (Articles)  
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10.
16 p, 280.4 KB Infinite series identities involving quadratic and cubic harmonic numbers / Wang, Xiaoyuan (Dalian Jiaotong University (Xina). School of Science) ; Chu, Wenchang (Zhoukou Normal University (Xina). School of Mathematics and Statistics)
By means of the modified Abel lemma on summation by parts, we investigate infinite series involving quadratic and cubic harmonic numbers. Several infinite series identities are established for π 2 and ζ(3) as consequences.
2018 - 10.5565/PUBLMAT6211813
Publicacions matemàtiques, Vol. 62 Núm. 1 (2018) , p. 285-300 (Articles)  
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