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Resultats globals: 57 registres trobats en 0.02 segons.
Articles, 55 registres trobats
Contribucions a jornades i congressos, 1 registres trobats
Documents de recerca, 1 registres trobats
Articles 55 registres trobats  1 - 10següentfinal  anar al registre:
1.
29 p, 497.6 KB Non-existence of integral Hopf orders for twists of several simple groups of Lie type / Carnovale, Giovanna (Università degli Studi di Padova. Dipartimento di Matematica Tullio Levi-Civita) ; Cuadra, Juan (Universidad de Almería. Departamento de Matemáticas) ; Masut, Elisabetta (Università degli Studi di Padova. Dipartimento di Matematica Tullio Levi-Civita)
Let p be a prime number and q = pm, with m ≥ 1 if p 6= 2, 3 and m > 1 otherwise. Let Ω be any non-trivial twist for the complex group algebra of PSL2(q) arising from a 2-cocycle on an abelian subgroup of PSL2(q). [...]
2024 - 10.5565/PUBLMAT6812404
Publicacions matemàtiques, Vol. 68 Núm. 1 (2024) , p. 73-101 (Articles)  
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2.
37 p, 386.1 KB A fully discrete approximation of the one-dimensional stochastic heat equation / Anton, Rikard (Umeå University. Department of Mathematics and Mathematical Statistics) ; Cohen, David (Umeå University. Department of Mathematics and Mathematical Statistics) ; Quer i Sardanyons, Lluís (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
A fully discrete approximation of the one-dimensional stochastic heat equation driven by multiplicative space-time white noise is presented. The standard finite difference approximation is used in space and a stochastic exponential method is used for the temporal approximation. [...]
2020 - 10.1093/imanum/dry060
IMA Journal of Numerical Analysis, Vol. 40, Issue 1 (January 2020) , p. 247-284  
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3.
20 p, 3.1 MB One step further in biomechanical models in palaeontology : a nonlinear finite element analysis review / Marcé Nogué, Jordi (Institut Català de Paleontologia Miquel Crusafont)
Finite element analysis (FEA) is no longer a new technique in the fields of palaeontology, anthropology, and evolutionary biology. It is nowadays a well-established technique within the virtual functional-morphology toolkit. [...]
2022 - 10.7717/peerj.13890
PeerJ, Vol. 10 (August 2022) , art. e13890  
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4.
86 p, 815.5 KB Towards differentiation and integration between Hopf algebroids and Lie algebroids / Ardizzoni, Alessandro (University of Turin, Department of Mathematics "Giuseppe Peano") ; El Kaoutit, Laiachi (Universidad de Granada. Departamento de Álgebra) ; Saracco, Paolo (Université libre de Bruxelles. Département de Mathématique)
In this paper we set up the foundations around the notions of formal differentiation and formal integration in the context of commutative Hopf algebroids and Lie-Rinehart algebras. Specifically, we construct a contravariant functor from the category of commutative Hopf algebroids with a fixed base algebra to that of Lie-Rinehart algebras over the same algebra, the differentiation functor, which can be seen as an algebraic counterpart to the differentiation process from Lie groupoids to Lie algebroids. [...]
2023 - 10.5565/PUBLMAT6712301
Publicacions matemàtiques, Vol. 67 Núm. 1 (2023) , p. 3-88 (Articles)  
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5.
11 p, 1.8 MB Orthodontic Loads in Teeth after Regenerative Endodontics : A Finite Element Analysis of the Biomechanical Performance of the Periodontal Ligament / Bucchi, Cristina (Universidad de La Frontera. Department of Integral Adult Dentistry) ; Del Fabbro, Massimo (Università degli Studi di Milano. Dipartimento di Scienze Biomediche, Chirurgiche ed Odontoiatriche) ; Marcé Nogué, Jordi (Institut Català de Paleontologia Miquel Crusafont)
The objective of this study was to analyse the stress distribution in the periodontal ligament and tooth structure of a cementum-reinforced tooth, a dentine-reinforced tooth and an immature tooth during orthodontic loads using a finite element analysis. [...]
2022 - 10.3390/app12147063
Applied sciences (Basel), Vol. 12, Issue 14 (July 2022) , art. 7063  
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6.
21 p, 324.8 KB Rotation Bounds for Hölder Continuous Homeomorphisms with Integrable Distortion / Clop, Albert (Universitat de Barcelona. Departament de Matemàtiques i Informàtica) ; Hitruhin, L. (Aalto University) ; Sengupta, B. (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
We obtain sharp rotation bounds for the subclass of homeomorphisms of finite distortion which have distortion function in , , and for which a Hölder continuous inverse is available. The interest in this class is partially motivated by examples arising from fluid mechanics. [...]
2022 - 10.1007/s12220-022-00950-y
Journal of Geometric Analysis, Vol. 32 (May 2022) , art. 212  
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7.
19 p, 394.5 KB Combining finite and infinite elements : Why do we use infinite idealizations in engineering? / De Bianchi, Silvia (Universitat Autònoma de Barcelona. Centre d'Estudis d'Història de les Ciències)
This contribution sheds light on the role of infinite idealization in structural analysis, by exploring how infinite elements and finite element methods are combined in civil engineering models. This combination, I claim, should be read in terms of a 'complementarity function' through which the representational ideal of completeness is reached in engineering model-building. [...]
2019 - 10.1007/s11229-018-1864-y
Synthese, Vol. 196 (May 2019) , p. 1733-1748  
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8.
13 p, 650.6 KB Periodic orbits and equilibria for a seventh-order generalized Hénon-Heiles Hamiltonian system / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Saeed, Tareq (King Abdulaziz University. Department of Mathematics (Saudi Arabia)) ; Zotos, Euaggelos E. (Aristotle University of Thessaloniki. Department of Physics)
In this paper we study analytically the existence of two families of periodic orbits using the averaging theory of second order, and the finite and infinite equilibria of a generalized Hénon-Heiles Hamiltonian system which includes the classical Hénon-Heiles Hamiltonian. [...]
2021 - 10.1016/j.geomphys.2021.104290
Journal of geometry and physics, Vol. 167 (September 2021) , art. 104290  
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9.
12 p, 1.2 MB Evaluation of Patellar Contact Pressure Changes after Static versus Dynamic Medial Patellofemoral Ligament Reconstructions Using a Finite Element Model / Sanchis-Alfonso, Vicente (Hospital Arnau de Vilanova (Lleida, Catalunya)) ; Ginovart, Gerard (Hospital Terres de l'Ebre) ; Alastruey-López, Diego (Universidad de Zaragoza) ; Montesinos-Berry, Erik (Orthopaedic Surgeon, Agoriaz Orthopaedic Center, Montreux, Switzerland) ; Monllau, Joan Carles (Universitat Autònoma de Barcelona. Departament de Cirurgia) ; Alberich-Bayarri, Angel (Instituto de Investigación Sanitaria La Fe) ; Pérez, María Angeles (Universidad de Zaragoza)
Objectives: To evaluate the effect of various medial patellofemoral ligament (MPFL) fixation techniques on patellar pressure compared with the native knee. Methods: A finite element model of the patellofemoral joint consisting of approximately 30,700 nodes and 22,200 elements was created from computed tomography scans of 24 knees with chronic lateral patellar instability. [...]
2019 - 10.3390/jcm8122093
Journal of clinical medicine, Vol. 8 (december 2019)  
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10.
25 p, 465.8 KB On LCD, self dual and isodual cyclic codes over finite chain rings / Benyettou, Amel (University of Science and Technology of Algiers) ; Batoul, Aicha (University of Science and Technology of Algiers) ; Fernández Córdoba, Cristina (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions)
In this paper, LCD cyclic, self dual and isodual codes over finite chain rings are investigated. It was proven recently that a non-free LCD cyclic code does not exist over finite chain rings. Based on algebraic number theory, we introduce necessary and sufficient conditions for which all free cyclic codes over a finite chain ring are LCD. [...]
2022 - 10.1016/j.ffa.2022.101993
Finite Fields and their Applications, Vol. 79 (March 2022) , art. 101993  
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Articles : 55 registres trobats   1 - 10següentfinal  anar al registre:
Contribucions a jornades i congressos 1 registres trobats  
1.
11 p, 301.2 KB Linear and cyclic codes over direct product of finite chain rings / Borges, J. (Joaquim) (Joaquim) (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Fernández Córdoba, Cristina (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Ten-Valls, Roger (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions)
We introduce a new type of linear and cyclic codes. These codes are defined over a direct product of two finite chain rings. The definition of these codes as certain submodules of the direct product of copies of these rings is given and the cyclic property is defined. [...]
2016
16th International Conference on Computational and Mathematical Methods in Science and Engineering (CMMSE 2016). Rota, Cádiz, : 2016  
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Documents de recerca 1 registres trobats  
1.
97 p, 3.1 MB Investigación de la biomecánica y mecanobiología de las fracturas de la meseta tibial mediante un modelo de elementos finitos / Carrera Fernandez, Ion ; Monllau García, Juan Carlos, dir. ; Gelber Ghertner, Pablo Eduardo, dir. ; Universitat Autònoma de Barcelona. Departament de Cirurgia
Las fracturas de la meseta tibial afectan a una gran articulación de carga como es la rodilla y son lesiones graves que conducen frecuentemente a anomalías funcionales. Para preservar la función normal de la rodilla, se debe mantener la congruencia articular, conservar el eje mecánico normal, asegurar la estabilidad de la fractura y recuperar el rango de movilidad completo. [...]
Tibial plateau fractures affect to the knee joint and they are injuries that often cause functional impairment. To preserve the normal function of the knee, articular congruence must be achieved, stable fixation must be obtained as well as physiological knee aligment in order to recover full range of motion. [...]
[Barcelona] : Universitat Autònoma de Barcelona, 2017.  
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