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Resultats globals: 10 registres trobats en 0.02 segons.
Articles, 9 registres trobats
Documents de recerca, 1 registres trobats
Articles 9 registres trobats  
1.
19 p, 403.3 KB The Free Euler Rigid Body Revisited / Jiménez-Lara, Lidia (Universidad Autónoma Metropolitana-Iztapalapa (Mèxic). Departamento de Física) ; Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
We review from a different perspective the approach and solution to the torque-free Euler equations, also called the free asymmetric top equations. We aim to simplify and broaden the study of the asymmetric free rigid body. [...]
2023 - 10.3390/dynamics3030032
Dynamics, Vol. 3, Issue 3 (September 2023) , p. 603-621  
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2.
12 p, 669.3 KB On the Limit Cycles of a Class of Discontinuous Piecewise Differential Systems Formed by Two Rigid Centers Governed by Odd Degree Polynomials / Carvalho, Tiago (Universidade de São Paulo. Departamento de Computação e Matemática) ; Gonçalves, Luiz Fernando (Universidade Federal de Goiás. Instituto de Matemática e Estatística) ; Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
We provide an upper bound for the maximum number of limit cycles for the class of discontinuous piecewise differential systems formed by two differential systems separated by the straight line x = 0, one of which is a linear rigid center while the other is a rigid center formed of a linear part plus a homogeneous polynomial of odd degree. [...]
2022 - 10.1142/S0218127422502455
International journal of bifurcation and chaos in applied sciences and engineering, Vol. 32, Issue 16 (December 2022) , art. 2250245  
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3.
21 p, 949.4 KB Limit cycles on piecewise smooth vector fields with coupled rigid centers / Carvalho, Tiago (Universidade de São Paulo. Departamento de Computação e Matemática) ; Gonçalves, Luiz Fernando (Universidade Federal de Goiás. Instituto de Matemática e Estatística) ; Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
We provide an upper bound for the maximum number of limit cycles of the class of discontinuous piecewise differential systems formed by two differential systems separated by a straight line presenting rigid centers. [...]
2021 - 10.1142/S0218127421502242
International journal of bifurcation and chaos in applied sciences and engineering, Vol. 31, Issue 15 (December 2021) , art. 2150224  
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4.
6 p, 646.5 KB Electron beam lithography for direct patterning of MoS2on PDMS substrates / Jumbert Amblàs, Gil (Universitat Autònoma de Barcelona. Departament de Física) ; Placidi, Marcel (Institut de Recerca en Energia de Catalunya) ; Alzina, Francesc (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Sledzinska, Marianna (Institut Català de Nanociència i Nanotecnologia)
Precise patterning of 2D materials into micro- and nanostructures presents a considerable challenge and many efforts are dedicated to the development of processes alternative to the standard lithography. [...]
2021 - 10.1039/d1ra00885d
RSC advances, Vol. 11, Issue 32 (2021) , p. 19908-19913  
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5.
13 p, 1.9 MB On the dynamics of the rigid body with a fixed point: Periodic orbits and integrability / Guirao, Juan Luis Garcia (Universidad Politécnica de Cartagena. Departamento de Matemática Aplicada y Estadística) ; Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Vera, Juan A. (Universidad Politécnica de Cartagena. Centro Universitario de la Defensa)
The aim of the present paper is to study the periodic orbits of a rigid body with a fixed point and quasi-spherical shape under the effect of a Newtonian force field given by different small potentials. [...]
2013 - 10.1007/s11071-013-0972-y
Nonlinear Dynamics, Vol. 74 (2013) , p. 327-333  
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6.
13 p, 1.5 MB Tilting mechanisms in domino faults of the Sierra de San Miguelito, central Mexico / Xu, S (Instituto Mexicano del Petróleo) ; Nieto-Samaniego, A. F. (Universidad Nacional Autónoma de México. Centro de Geociencias) ; Alaniz-Álvarez, S. A. (Universidad Nacional Autónoma de México. Centro de Geociencias)
A system of normal faults with similar strike that bound rotated blocks in the Sierra de San Miguelito, central Mexico, was studied to determine the genesis of rotation and to estimate the extensional strain. [...]
2004 - 10.1344/105.000001426
Geologica acta, Vol. 2, Núm. 3 (2004) , p. 189-201  
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7.
8 p, 1.1 MB Separating Rigid Motion for Continuous Shape Evolution / Overgaard, Niels Chr. (Malmo University (Suècia)) ; Solem, Jan Erik (Malmo University (Suècia))
A method is proposed for the construction of descent directions for the minimization of energy functionals defined for plane curves. The method is potentially useful in a number of image analysis problems, such as image registration and shape warping, where the standard gradient descent curve evolutions are not always feasible. [...]
2007 - 10.5565/rev/elcvia.144
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 6 n. 2 (2007) p. 1-8  
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8.
11 p, 231.8 KB Complex articulated object tracking / Comport, Andrew (IRISA - INRIA (Rennes, França)) ; Marchand, Éric (IRISA - INRIA (Rennes, França)) ; Chaumette, Francois (IRISA - INRIA (Rennes, França))
In this paper new results are presented for tracking complex multi-body objects. The theoretical framework is based on robotics techniques and uses an a-priori model of the object including a general mechanical link description. [...]
2005 - 10.5565/rev/elcvia.103
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 5 n. 3 (2005) p. 21-31  
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9.
14 p, 173.4 KB Characterization of the inessential endomorphisms in the category of Abelian groups / Abdelalim, S. ; Essannouni, H.
An endomorphism f of an Abelian group A is said to be inessential (in the category of Abelian groups) if it can be extended to an endomorphism of any Abelian group which contains A as a subgroup. In this paper we show that f is as above if and only if (f − v idA)(A) is contained in the maximal divisible subgroup of A for some v ∈ Z.
2003 - 10.5565/PUBLMAT_47203_03
Publicacions matemàtiques, V. 47 N. 2 (2003) , p. 359-372  
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Documents de recerca 1 registres trobats  
1.
119 p, 3.4 MB Tractaments facilitadors de la fase de dilatació del part / Tarrats Velasco, Laura ; Cabrera Jaime, Sandra, dir. ; Puig Domingo, Manuel, dir. ; Rodrigo Gonzalo de Liria, Carlos, dir.
Introducció Es presenta l'assaig sobre administració de butilbromur d'hioscina durant la dilatació en cas de cèrvix rígid i es presenta l'assaig clínic sobre l'efectivitat de l'aplicació de calor en el dolor lumbar i suprapúbic en fases inicials del part. [...]
Introducción Se presenta el ensayo clínico sobre administración de butilbromuro de hioscina durante la dilatación en caso de cérvix rígido y se presenta el ensayo clínico sobre la efectividad de la aplicación de calor en el dolor lumbar y suprapúbico en fases iniciales del parto. [...]
Introduction Presentation of a clinical trial developed to assess the effects of Hyoscine Butylbromide for cervical rigidity in the dilation stage of labor and of a clinical trial developed to assess the beneficial effects of heat application on lumbo-suprapubical pain during initial stages of labour. [...]
2021  
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