Zobrazeno 1 - 10
of 19
pro vyhledávání: '"J.M. Gesto"'
Autor:
M. T. Sánchez, E. Bendito, Andrés Gómez, Andrés M. Encinas, J.M. Gesto, Carlos Mouriño, Angeles Carmona
Publikováno v:
Journal of Computational Physics. 228:3288-3306
Here, we study the computational complexity of the Fekete point problem. Namely, we give an exhaustive description of the main properties of an algorithm for the minimization of the logarithmic potential energy on the 2-sphere, and we characterize th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82a31b8b2cb783fde8dd9dd8672972ea
https://doi.org/10.1016/j.jcp.2009.01.021
https://doi.org/10.1016/j.jcp.2009.01.021
Publikováno v:
Linear Algebra and its Applications. 430(4):1336-1349
We aim here at characterizing those nonnegative matrices whose inverse is an irreducible Stieltjes matrix. Specifically, we prove that any irreducible Stieltjes matrix is a resistive inverse. To do that we consider the network defined by the off-diag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ac8d98472209f2efa3ada08fdbffa11
Publikováno v:
International Journal of Quantum Chemistry. 108:1200-1206
We show here that the Kirchhoff index of a network is the average of the Wiener capacities of its vertices. Moreover, we obtain a closed-form formula for the effective resistance between any pair of vertices when the considered network has some symme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9aa09f734a12df52805f2b7565e5a08a
https://doi.org/10.1002/qua.21588
https://doi.org/10.1002/qua.21588
Publikováno v:
Applicable Analysis and Discrete Mathematics. 2:241-254
In this work we introduce an accurate definition of the curl operator on weighted networks that completes the discrete vector calculus developed by the authors. This allows us to define the circulation of a vector field along a curve and to character
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23fee8803a4584f66d867c535431c17a
https://doi.org/10.2298/aadm0802241b
https://doi.org/10.2298/aadm0802241b
Publikováno v:
Applicable Analysis and Discrete Mathematics. 2:92-106
We aim here at obtaining bounds on the first non-null eigenvalue for self-adjoint boundary value problems on a weighted network by means of equilibrium measures, that includes the study of Dirichlet, Neumann and Mixed problems. We also show the sharp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b9499cda71b88cc2ced3b1f7af491e0
https://doi.org/10.2298/aadm0801092b
https://doi.org/10.2298/aadm0801092b
Publikováno v:
Journal of Computational Physics. 225:2354-2376
We aim here at presenting a new procedure to numerically estimate the Fekete points of a wide variety of compact sets in R^3. We understand the Fekete point problem in terms of the identification of near equilibrium configurations for a potential ene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99d6edad440d1d99f96ab3bdd133b0fe
https://doi.org/10.1016/j.jcp.2007.03.017
https://doi.org/10.1016/j.jcp.2007.03.017
Publikováno v:
Electronic Notes in Discrete Mathematics. 28:199-206
In this work we study the different type of regular boundary value problems on a path associated with the Schrodinger operator. In particular, we obtain the Green function for each problem and we emphasize the case of Sturm-Liouville boundary conditi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72a43aa1f31bde8e9d3a6a3375c5fb35
https://doi.org/10.1016/j.endm.2007.01.027
https://doi.org/10.1016/j.endm.2007.01.027
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