Artículos (Matemática Aplicada I)
Recent Submissions
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Rammed Earth Construction: A Proposal for a Statistical Quality Control in the Execution Process [Article]
(MDPI AG, 2020)Unlike other common contemporary construction materials such as concrete, mortars, or fired clay bricks, which are widely supported by international standards and regulations, building with rammed earth is barely regulated. ...
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Timely-automatic procedure for estimating the endocardial limits of the left ventricle assessed echocardiographically in clinical practice [Article]
(MDPI, 2020-01-13)In this paper, we propose an analytical rapid method to estimate the endocardial borders of the left ventricular walls on echocardiographic images for prospective clinical integration. The procedure was created as a ...
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The mRNA degradation factor Xrn1 regulates transcription elongation in parallel to Ccr4 [Article]
(Oxford University Press, 2019-10-10)Co-transcriptional imprinting of mRNA by Rpb4 and Rpb7 subunits of RNA polymerase II (RNAPII) and by the Ccr4–Not complex conditions its posttranscriptional fate. In turn, mRNA degradation factors like Xrn1 are able to ...
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Circulating miRNAs as predictive biomarkers of type 2 diabetes mellitus development in coronary heart disease patients fromt he CORDIOPREV study [Article]
(American Society of Gene and Cell Therapy, 2018-09)Circulating microRNAs (miRNAs) have been proposed as type 2 diabetes biomarkers, and they may be a more sensitive way to predict development of the disease than the currently used tools. Our aim was to identify whether ...
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Solvable Leibniz algebras with NFn⊕ F1m nilradical [Article]
(De Gruyter, 2017)All finite-dimensional solvable Leibniz algebras L, having N = NFn⊕ F1m as the nilradical and the dimension of L equal to n+m+3 (the maximal dimension) are described. NFn and F1m are the null-filiform and naturally graded ...
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Distinguishing graphs by their left and right homomorphism profiles [Article]
(Elsevier, 2011)We introduce a new property of graphs called ‘q-state Potts unique-ness’ and relate it to chromatic and Tutte uniqueness, and also to ‘chromatic–flow uniqueness’, recently studied by Duan, Wu and Yu. We establish for ...
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Contractors for flows [Article]
(Elsevier, 2011)We answer a question raised by Lovász and B. Szegedy [Contractors and connectors in graph algebras, J. Graph Theory 60:1 (2009)] asking for a contractor for the graph parameter counting the number of B-flows of a graph, ...
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On the computation of Bernstein–Sato ideals [Article]
(Elsevier, 2004)In this paper we compare the approach of Brianc¸onand Maisonobe for computing Bernstein–Sato ideals—based on computations in a Poincar´e–Birkhoff–Witt algebra—with the readily available method of Oaku and Takayama. We ...
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Gröbner bases and logarithmic D-modules [Article]
(Elsevier, 2006)Let C[x] = C[x1, . . . , xn] be the ring of polynomials with complex coefficients and An the Weyl algebra of order n over C. Elements in An are linear differential operators with polynomial coefficients. For each polynomial ...
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Finding multiplies solutions for non-linear integer programming [Article]
(Elsevier, 2018)We explain how to compute all the solutions of a nonlinear integer problem using the algebraic test-sets associated to some linear subproblem. These test-sets are obtained using Gr¨obner bases. We compare our method with ...
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Explicit Comparison Theorems for D -modules [Article]
(Elsevier, 2001)We prove in an explicit way a duality formula between two A2-modules Mlog and Mflog associated to a plane curve and we give an application of this duality to the comparison between Mflog and the A2-module of rational ...
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Totally umbilical disks and applications to surfaces in three-dimensional homogeneous spaces [Article]
(Sociedade Brasileira de Matemática, 2008)Following [Ch] and [dCF], we give sufficient conditions for a disk type surface, with piecewise smooth boundary, to be totally umbilical for a given Coddazi pair. As a consequence, we obtain rigidity results for surfaces ...
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The number of conformally equivalent maximal graphs [Article]
(Springer, 2010)We show that the number of entire maximal graphs with finitely many singular points that are conformally equivalent is a universal constant that depends only on the number of singularities, namely 2n for graphs with n + ...
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The Gauss map of surfaces in PSL˜2(R) [Article]
(Springer, 2015)We define a Gauss map for surfaces in the universal cover of the Lie group PSL2(R) endowed with a left-invariant Riemannian metric having a 4-dimensional isometry group. This Gauss map is not related to the Lie group ...
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On the uniqueness of the helicoid and Enneper’s surface in the Lorentz-Minkowski space R31 [Article]
(American Mathematical Society, 2011)In this paper we deal with the uniqueness of the Lorentzian helicoid and Enneper’s surface among properly embedded maximal surfaces with lightlike boundary of mirror symmetry in the Lorentz-Minkowski space R3
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Harmonic mappings and conformal minimal immersions of Riemann surfaces into RN [Article]
(Springer, 2013)We prove that for any open Riemann surface N, natural number N ≥ 3, non-constant harmonic map h:N→R N−2 and holomorphic 2-form H on N , there exists a weakly complete harmonic map X=(Xj)j=1,…,\scN:N→R\scN with Hopf ...
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Complete minimal surfaces and harmonic functions [Article]
(European Mathematical Society, 2012)We prove that for any open Riemann surface N and any non constant harmonic function h : N → R, there exists a complete conformal minimal immersion X : N → R3 whose third coordinate function coincides with h. As a ...
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Complete minimal surfaces in R3 with a prescribed coordinate function [Article]
(Elsevier, 2011)In this paper we construct complete simply connected minimal surfaces with a prescribed coordinate function. Moreover, we prove that these surfaces are dense in the space of all minimal surfaces with this coordinate ...
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A vanishing theorem for a class of logarithmic D-modules [Article]
(Cornell University, 2007)Let OX (resp. DX) be the sheaf of holomorphic functions (resp. the sheaf of linear differential operators with holomorphic coefficients) on X = Cn. Let D X be a locally weakly quasi-homogeneous free divisor defined by ...
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A two-layer shallow flow model with two axes of integration, well-balanced discretization and application to submarine avalanches [Article]
(Elsevier, 2020-04-01)We propose a two-layer model with two different axes of integration and a well-balanced finite volume method. The purpose is to study submarine avalanches and generated tsunamis by a depth-averaged model with different ...