Výsledky vyhledávání - "J. Solà-Morales"

Autor: J. Solà-Morales, Àlex Haro, Carles Barril, Marta Pellicer

The solution of the Grad–Shafranov (GS) equation, which is at the basis of Tokamak plasma MHD equilibrium computation, in the fixed boundary formulation first requires the description of the plasma boundary in terms of a few physical quantities. Li

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d21d482a1bcfcd7a9c6c40b16313492
https://doi.org/10.33774/miir-2021-w3g2s

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A New Example on Lyapunov Stability

Autor: J. Solà-Morales, Hildebrando M. Rodrigues

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

The purpose of this paper is to present an example of an Ordinary Differential Equation $$x'=F(x)$$ in the infinite-dimensional Hilbert space $$\ell ^2$$ with F being of class $$\mathcal {C}^1$$ in the Frechet sense, such that the origin is an asympt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bf310b3f87d6dfcd7ee7730ccdf80ac
https://doi.org/10.1007/s10884-021-09962-8

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Optimal scalar products in the Moore-Gibson-Thompson equation

Autor: J. Solà-Morales, Marta Pellicer

Publikováno v: © Evolution Equations and Control Theory, 2019, vol. 8, núm. 1, p. 203-220
Articles publicats (D-IMA)
DUGiDocs – Universitat de Girona
instname
Recercat. Dipósit de la Recerca de Catalunya
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

We study the third order in time linear dissipative wave equation known as the Moore-Gibson-Thompson equation, that appears as the lineariza-tion of a the Jordan-Moore-Gibson-Thompson equation, an important model in nonlinear acoustics. The same equa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::153595fcedc3307186d392a974d54a54
https://hdl.handle.net/2072/372283

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Stability problems in nonautonomous linear differential equations in infinite dimensions

Autor: G. K. Nakassima, J. Solà-Morales, Hildebrando M. Rodrigues

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

In this paper we study the robustness of the stability in nonautonomous linear ordinary differential equations under integrally small perturbations in infinite dimensional Banach spaces. Some applications are obtained to the case of rapidly oscillati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bce6ae14a10dde663500f682502396b6
http://hdl.handle.net/2117/345084

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Akademický článek

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An example on Lyapunov stability and linearization

Autor: J. Solà-Morales, Hildebrando M. Rodrigues

The purpose of this paper is to present an example of a C 1 (in the Frechet sense) discrete dynamical system in a infinite-dimensional separable Hilbert space for which the origin is an exponentially asymptotically stable fixed point, but such that i

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Curves and surfaces with constant nonlocal mean curvature: Meeting Alexandrov and Delaunay

Autor: J. Solà-Morales, Xavier Cabré, Tobias Weth, Mouhamed Moustapha Fall

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

We are concerned with hypersurfaces of ℝ N {\mathbb{R}^{N}} with constant nonlocal (or fractional) mean curvature. This is the equation associated to critical points of the fractional perimeter under a volume constraint. Our results are twofold. Fi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::112c09c6ee67036e39852ed9daefc453
https://hdl.handle.net/2117/129002

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Differentiability with respect to parameters in global smooth linearization

Autor: J. Solà-Morales, Hildebrando M. Rodrigues

Let X be a Banach space and T θ : X → X a family of invertible contractions, T θ = L θ + f θ , where L θ is linear and f θ is nonlinear with f θ ( 0 ) = 0 . We give conditions for the existence of a family of global linearization maps H θ ,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45b31490c2fbcdec1da277bea7a79af5
https://hdl.handle.net/2117/102779

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On the diffusion algorithm for density-equalizing maps with piecewise constant initial data

Autor: Marta València, J. Solà-Morales, Albert Avinyo

Publikováno v: © Mathematical Methods in the Applied Sciences, 2012, vol. 35, núm. 10, p. 1234-1240
Articles publicats (D-IMA)
DUGiDocs – Universitat de Girona
instname
Recercat. Dipósit de la Recerca de Catalunya
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

We mathematically analyze the diffusion-based algorithm to produce maps with a given Jacobian, introduced independently by M. T. Gastner and M. E. J. Newman (2004) and ourselves (2003), but in particular cases where the initial density has line or an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5bca4ef71ac8f095020da060fda5bef
https://doi.org/10.1002/mma.2526

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On an asymptotic formula for the maximum voltage drop in a on-chip power distribution network

Autor: Josep Rius, J. Solà-Morales, Jaume Haro, M. Aguareles

Publikováno v: © European Journal of Applied Mathematics, 2011, vol. 23, núm. 2, p.245-265
Articles publicats (D-IMA)
DUGiDocs – Universitat de Girona
instname
Recercat. Dipósit de la Recerca de Catalunya

We present a new asymptotic formula for the maximum static voltage in a simplified model for on-chip power distribution networks of array bonded integrated circuits. In this model the voltage is the solution of the Poisson's equation in an infinite p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6dc3c4a4fb3caba8d952b69df315ff60
https://doi.org/10.1017/s0956792511000350

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