Listar Matemática Aplicada II por título
Mostrando ítems 225-244 de 347
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Artículo
Observation of a tricritical wedge filling transition in the 3D Ising model
(Institute of Physics Publishing, 2014)In this letter we present evidences of the occurrence of a tricritical filling transition for an Ising model in a linear ...
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Ponencia
On 4-connected geometric graphs
(2013)Given a set S of n points in the plane, in this paper we give a necessary and sometimes sufficient condition to build a 4-connected non-crossing geometric graph on S.
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Artículo
On a seminal paper by Karlin and Mcgregor
(2013)The use of spectral methods to study birth-and-death processes was pioneered by S. Karlin and J. McGregor. Their expression ...
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Artículo
On completely continuous maps from locally convex spaces to L1
(European Mathematical Society, 1990) -
Artículo
On finding widest empty curved corridors
(Elsevier, 2007)An α-siphon of width w is the locus of points in the plane that are at the same distance w from a 1-corner polygonal chain ...
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Ponencia
On making a graph crossing-critical
(2013)A graph is crossing-critical if its crossing number decreases when we remove any of its edges. Recently it was proved that ...
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Artículo
On Pták's generalization of Hankel operators
(Springer, 2001)In 1997 Pták defined generalized Hankel operators as follows: Given two contractions T1 ∈ B(H1) and T2 ∈ B(H2), an operator ...
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Ponencia
On the barrier-resilience of arrangements of ray-sensors
(2013)Given an arrangement A of n sensors and two points s and t in the plane, the barrier resilience of A with respect to s and ...
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Artículo
On the convergence order of the finite element error in the kinetic energy for high Reynolds number incompressible flows
(Elsevier, 2021-11)The kinetic energy of a flow is proportional to the square of the L2(Ω) norm of the velocity. Given a sufficient ...
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Ponencia
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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Artículo
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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Artículo
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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Artículo
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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Artículo
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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Artículo
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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Ponencia
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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Artículo
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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Artículo
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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Ponencia
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 ...
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