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Results overview: Found 10 records in 0.01 seconds.
Articles, 9 records found
Research literature, 1 records found
Articles 9 records found  
1.
50 p, 590.0 KB An explicit formula for the second moment of Maass form symmetric square L-functions / Balkanova, Olga (Steklov Mathematical Institute (Moscou, Rússia)) ; Frolenkov, Dmitry (Steklov Mathematical Institute (Moscou, Rússia))
We prove an explicit formula for the second moment of symmetric square L-functions associated to Maass forms for the full modular group. In particular, we show how to express the considered second moment in terms of dual second moments of symmetric square L-functions associated to Maass cusp forms of levels 4, 16, and 64.
2023 - 10.5565/PUBLMAT6722306
Publicacions matemàtiques, Vol. 67 Núm. 2 (2023) , p. 611-660 (Articles)  
Detailed record -
2.
31 p, 3.3 MB Ejection-collision orbits in the RTBP / Ollé, Mercè (Universitat Politècnica de Catalunya. Departament de Matemàtiques) ; Rodríguez, Òscar (Universitat Politècnica de Catalunya. Departament de Matemàtiques) ; Soler, Jaume (Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental)
In this paper we analyse the ejection-collision (EC) orbits of the planar restricted three body problem. Being μ∈(0, 0. 5] the mass parameter, and taking the big (small) primary with mass 1 − μ (μ), an EC orbit will be an orbit that ejects from the big primary, does an excursion and collides with it. [...]
2018 - 10.1016/j.cnsns.2017.07.013
Communications in nonlinear science and numerical simulation, Vol. 55 (2018) , p. 298-315  
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3.
14 p, 711.4 KB Synchronization and non-smooth dynamical systems / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Da Silva, Paulo R. (IBILCE-UNESP(Brazil). Departamento de Matemática) ; Teixeira, Marco Antonio (IMECC-UNICAMP(Brazil))
In this article we establish an interaction between nonsmooth systems, geometric singular perturbation theory and synchronization phenomena. We find conditions for a non-smooth vector fields be locally synchronized. [...]
2012 - 10.1007/s10884-012-9239-4
Journal of dynamics and differential equations, Vol. 24 (2012) , p. 1-12  
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4.
18 p, 1.2 MB Sliding vector fields for non-smooth dynamical systems having intersecting switching manifolds / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Da Silva, Paulo R. (IBILCE-UNESP (Brazil). Departamento de Matemática) ; Teixeira, Marco Antonio (IMECC-UNICAMP (Brazil))
We consider a differential equation ˙p = X(p), p ϵ R3 with discontinuous right-hand side and discontinuities occurring on an algebraic variety ∑. We discuss the dynamics of the sliding mode which occurs when for any initial condition near p ϵ ∑ the corresponding solution trajectories are attracted to ∑. [...]
2015 - 10.1088/0951-7715/28/2/493
Nonlinearity, Vol. 28 (2015) , p. 493-507  
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5.
20 p, 399.1 KB Regularization of hidden dynamics in piecewise smooth flows / Novaes, Douglas D. (Universidade Estadual de Campinas. Departamento de Matemática) ; Jeffrey, Mike R. (University of Bristol. Department of Engineering Mathematics)
This paper studies the equivalence between differentiable and non-differentiable Dynamics in R n. Filippov's theory of discontinuous differential equations allows us to find flow solutions of dynamical systems whose vector fields undergo switches at thresholds in phase space. [...]
2015 - 10.1016/j.jde.2015.06.005
Journal of differential equations, Vol. 259 (2015) , p. 4615-4633  
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6.
11 p, 760.9 KB Combining Total Variation and Nonlocal Means Regularization for Edge Preserving Image Deconvolution / Hao, Binbin (China University of Petroleum) ; Zhu, Jianguang (Shandong University of Science and Technology)
We propose a new edge preserving image deconvolution model by combining total variation and nonlocal means regularization. Natural images exhibit an high degree of redundancy. Using this redundancy, the nonlocal means regularization strategy is a good technique for detail preserving image restoration. [...]
2011 - 10.5565/rev/elcvia.373
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, Vol. 10, Núm. 1 (December 2011) , p. 42-53  
Detailed record - Creative Commons
7.
7 p, 236.6 KB Consecuencias de la regulación de trabajadores extranjeros: 1991-1992 / Izquierdo Escribano, Antonio
La regularización de trabajadores extranjeros de 1991 ha modificado profundamente la composición demográfica y social de los inmigrantes en España, pero este cambio sustancial aún no se ha reflejado con claridad en la política del gobierno ni en las actitudes de los españoles.
The process of regularization of foreign workers in 1991 has changed the demographic and social composition of immigrants in Spain. More over this important change has not been reflected neither in a government policy of migration nor in Spanish people attitudes.
1994 - 10.5565/rev/papers.1732
Papers : revista de sociologia, N. 43 (1994) p. 125-131  
Detailed record - Creative Commons
8.
9 p, 260.3 KB Inmigración y empleo. Consideraciones generales / Aragón Bombín, Raimundo
En la mayor parte de los paises comunitarios, entre ellos España, las oportunidades de empleo constituyen la causa principal de los flujos migratorios. A pesar de una serie amplia de medidas para su control, muchos de los inmigrantes trabajan de forma irregular. [...]
In most European Community Countrys job opportunities are the main cause of migration flows. Although there are control meseures, many inmigrants work under irregular conditions. In this article the relationship between inmigration flows and the Spanish labour market is presented in detail.
1994 - 10.5565/rev/papers.1722
Papers : revista de sociologia, N. 43 (1994) p. 13-21  
Detailed record - Creative Commons
9.
21 p, 486.6 KB Los latinoamericanos y las instituciones públicas en España : percepción social de colectivos extranjeros / Sarrible Pedroni, Graciela (Universitat de Barcelona)
A partir de la propuesta acerca de los componentes de la sociedad civil de Pérez Díaz, se analizan los migrantes extranjeros como partícipes en la sociedad española. El estudio de las formas de participación que se ha elegido es la inscripción administrativa y la relación con el estado. [...]
From the proposal about the components of the civil society by Perez Diaz, the foreign migrants as contributors in the Spanish society are analyzed. The administrative registration and the relation with the State has been studied as a participation form. [...]
2007 - 10.5565/rev/papers/v86n0.813
Papers : revista de sociologia, N. 86 (2007) p. 109-129  
Detailed record - Creative Commons

Research literature 1 records found  
1.
229 p, 1.4 MB The Yang-Mills Vacuum Wave Functional in 2+1 Dimensions / Krug, Sebastian ; Pineda, Antonio, (Pineda Ruiz), dir. (Universitat Autònoma de Barcelona. Departament de Física) ; Universitat Autònoma de Barcelona. Departament de Física
En esta tesis investigamos la teoría Yang-Mills en 2+1 dimensiones en la representación de Schrödinger. La teoría Yang-Mills en tres dimensiones es relevante por un lado, porque es el número de dimensiones más baja en que existen grados de libertad dinámicos, y por otro lado, porque constituye el límite de alta temperatura de QCD en cuatro dimensiones. [...]
We investigate Yang-Mills theory in 2+1 dimensions in the Schrödinger representation. Three dimensional Yang-Mills theory is relevant on the one hand, because it is the lowest dimensional Yang-Mills theory with propagating degrees of freedom, on the other hand, because it constitutes the high temperature limit of four dimensional QCD. [...]
[Barcelona] : Universitat Autònoma de Barcelona, 2014  
Detailed record - Creative Commons

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