Browsing Matemática Aplicada II by Title
Now showing items 231-250 of 342
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Presentation
On the enumeration of permutominoes
(2013)Although the exact counting and enumeration of polyominoes remain challenging open problems, several positive results were ...
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Article
On the existence and uniqueness of limit cycles in Liénard differential equations allowing discontinuities
(IOP Science, 2008)In this paper we study the non-existence and the uniqueness of limit cycles for the Liénard differential equation of the ...
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Article
On the existence and uniqueness of limit cycles in planar continuous piecewise linear systems without symmetry
(Elsevier, 2013-10)Some techniques to show the existence and uniqueness of limit cycles, typically stated for smooth vector fields, are ...
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Article
On the influence of the nonlinear term in the numerical approximation of Incompressible Flows by means of proper orthogonal decomposition methods
(Elsevier, 2023-02)We consider proper orthogonal decomposition (POD) methods to approximate the incompressible Navier–Stokes equations. We ...
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Article
On the integrability problem for the Hopf-zero singularity and its relation with the inverse Jacobi multiplier
(Elsevier Inc., 2021)In this paper we use the orbital normal form of the nondegenerate Hopf-zero singularity to obtain necessary conditions for ...
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Article
On the Mikusiński-Antosik diagonal theorem
(De Gruyter Open, 1992)We give and improvement cf de Mikusinski-Antosik Diagonal Theorem. From this result we obtain as corollaries the other matrix lemmas used by P. Antosik and C. Swartz, showing that they have a common character
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Presentation
On the nonexistence of k-reptile simplices in R3 and R4
(2013)A d-dimensional simplex S is called a k-reptile (or a k-reptile simplex) if it can be tiled without overlaps by k simplices ...
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Article
On the number of order types in integer grids of small size
(Elsevier, 2021)Let and be two sets of n labeled points in general position in the plane. We say that these two point sets have the same ...
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Article
On the Takens-Bogdanov Bifurcation in the Chua’s Equation
(Institute of Electronics, Information and Communication Engineers, 1999)The analysis of the Takens-Bogdanov bifurcation of the equilibrium at the origin in the Chua’s equation with a cubic ...
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Presentation
On three parameters of invisibility graphs
(2013)The invisibility graph I(X) of a set X ⊆ Rd is a (possibly infinite) graph whose vertices are the points of X and two ...
- PhD Thesis
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Article
Optimal Alignments for Designing Urban Transport Systems: Application to Seville
(MDPI, 2019)The achievement of some of the Sustainable Development Goals (SDGs) from the recent 2030 Agenda for Sustainable Development ...
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Article
Optimisation of Maintenance Policies Based on Right-Censored Failure Data Using a Semi-Markovian Approach
(MDPI, 2022-02)This paper exposes the existing problems for optimal industrial preventive maintenance intervals when decisions are made ...
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Article
Orbital Hypernormal Forms
(MDPI, 2021-08)In this paper, we analyze the problem of determining orbital hypernormal forms—that is, the simplest analytical expression ...
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Article
Ornithopter Trajectory Optimization with Neural Networks and Random Forest
(Springer Science and Business Media B.V., 2022)Trajectory optimization has recently been addressed to compute energy-efficient routes for ornithopter navigation, but its ...
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Article
Partial cooperation and convex sets
(Institut d'Estadística de Catalunya, 2003)We consider games of transferable utility, those that deal with partial cooperation situations, made up of coalition ...
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Article
Phase diagram of the two-fluid Lipkin model: A "butterfly" catastrophe
(American Physical Society, 2016-03-31)Background: In the past few decades quantum phase transitions have been of great interest in nuclear physics. In this ...
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Presentation
Phase transitions in the Ramsey-Turán theory
(2013)Let f(n) be a function and L be a graph. Denote by RT(n, L, f(n)) the maximum number of edges of an L-free graph on n ...
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Article
POD-ROMs for Incompressible Flows Including Snapshots of the Temporal Derivative of the Full Order Solution
(Society for Industrial and Applied Mathematics (SIAM), 2023)In this paper we study the influence of including snapshots that approach the velocitytime derivative in the numerical ...
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Article
El poder de las naciones en la Unión Europea
(Fundación Centro de Estudios Andaluces, 2005)En este trabajo se definen algoritmos, basados en funciones generatrices, para calcular el índice de poder de Banzhaf en ...