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Resultats globals: 4 registres trobats en 0.03 segons.
Articles, 4 registres trobats
Articles 4 registres trobats  
1.
21 p, 382.1 KB Isoperimetric cones and minimal solutions of partial overdetermined problems / Pacella, Filomena (Sapienza Università di Roma. Dipartimento di Matematica) ; Tralli, Giulio (Università di Padova. Dipartimento d'Ingegneria Civile e Ambientale (DICEA))
In this paper we consider a partial overdetermined mixed boundary value problem in domains inside a cone as in [18]. We show that, in cones having an isoperimetric property, the only domains which admit a solution and which minimize a torsional energy functional are spherical sectors centered at the vertex of the cone. [...]
2021 - 10.5565/publicacionsmatematiques.v65i1.383647
Publicacions matemàtiques, Vol. 65 Núm. 1 (2021) , p. 61-81 (Articles)  
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2.
4 p, 256.1 KB Pore-size dependence of the thermal conductivity of porous silicon : a phonon hydrodynamic approach / Àlvarez Calafell, Francesc Xavier (Universitat Autònoma de Barcelona. Departament de Física) ; Jou i Mirabent, David, 1953- (Universitat Autònoma de Barcelona. Departament de Física) ; Sellitto, A. (University of Basilicata. Department of Mathematics and Computer Science) ; American Physical Society
Phononhydrodynamics is used to analyze the influence of porosity and of pore size on reduction in thermal conductivity in porous silicon, with respect to crystalline silicon. The expressions predict that the thermal conductivity is lower for higher porosity and for smaller pore radius, as a consequence of phononballisticeffects. [...]
2010 - 10.1063/1.3462936
Applied physics letters, Vol. 97, Issue 3 (July 2010) , p. 33103  
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3.
20 p, 213.7 KB A stability result for nonlinear neumann problems in reifenberg flat domains in Rn / Lemenant, Antoine (Université Paris Diderot - Paris 7) ; Milakis, Emmanouil (University of Cyprus. Department of Mathematics & Statistics)
In this paper we prove that if Ωk is a sequence of Reifenberg-flat domains in RN that converges to Ω for the complementary Hausdorff distance and if in addition the sequence Ωk has a "uniform size of holes", then the solutions uk of a Neumann problem of the form (. [...]
2011 - 10.5565/PUBLMAT_55211_08
Publicacions matemàtiques, Vol. 55, Núm. 2 (2011) , p. 413-432  
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4.
40 p, 299.0 KB Energy inequalities for a model of wave propagation in cold plasma / Otway, T. H. (Yeshiva University (Estats Units d'Amèrica). Department of Mathematics)
Energy inequalities are derived for an elliptic-hyperbolic operator arising in plasma physics. These inequalities imply the existence of distribution and weak solutions to various closed boundary-value problems. [...]
2008 - 10.5565/PUBLMAT_52108_10
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 195-234  
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