Matemática Aplicada I
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Article
Non-hydrostatic layer-averaged approximation of Euler system with enhanced dispersion properties
(Springer Nature, 2023)A new family of non-hydrostatic layer-averaged models for the non-stationary Euler equations is presented in this work, ...
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Article
Non-hydrostatic layer-averaged approximation of Euler system with enhanced dispersion properties
(Springer, 2023-05-10)A new family of non-hydrostatic layer-averaged models for the non-stationary Euler equations is presented in this work, ...
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Article
Multilayer models for hydrostatic Herschel-Bulkley viscoplastic flows
(Elsevier, 2023-06-01)Starting from Navier-Stokes’ equation we derive two shallow water multilayer models for yield stress fluids, depending on ...
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Article
Layer-averaged approximation of Navier-Stokes system with complex rheologies
(EDP Sciences / Société de Mathématiques Appliquées et Industrielles, 2023)In this work, we present a family of layer-averaged models for the Navier–Stokes equations. For its derivation, we consider ...
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Article
Multilayer shallow model for dry granular flows with a weakly non-hydrostatic pressure
(Springer, 2023)The multilayer model proposed in this paper is a generalization of the multilayer non-hydrostatic model for shallow granular ...
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Article
Discussion on different numerical treatments on the loss of hyperbolicity for the two-layer shallow water system
(Elsevier, 2023)This paper focus on the numerical approximation of two-layer shallow water system. First, a new approximation of the ...
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Article
Size of graphs with high girth
(Elsevier, 2007)Let n≥4 be a positive integer and let ex (ν;{C3, . . . , Cn}) denote the maximum number of edges in a {C3, . . . , Cn}-free ...
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Presentation
Algorithm for planning faster routes in urban networks with time-dependant arcs and the possibility of introducing waiting periods at nodes
(WIT Press, 2022)Navigation systems implemented in mobile devices allow users to search for the shortest routes between pairs of points. ...
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Article
Local fractional metric dimension of rotationally symmetric planar graphs arisen from planar chorded cycles
(Sapienza Università Editrice, 2023)In this paper, a new family of rotationally symmetric planar graphs is described based on an edge coalescence of planar ...
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Article
Generalized partially bent functions, generalized perfect arrays, and cocyclic Butson matrices
(Springer, 2023-08-23)In a recent survey, Schmidt compiled equivalences between generalized bent functions, group invariant Butson Hadamard ...
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Article
Lower bounds and exact values of the 2-color off-diagonal generalized weak Schur numbers WS(2;k,k) (Brief Announcement)
(Elsevier, 2023)In this study, we focus on the concept of the 2-color off-diagonal generalized weak Schur numbers, denoted as WS(2; k1, ...
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Article
On the Frobenius Number of Fibonacci Numerical Semigroups
(Integers, 2007)In this paper we compute the Frobenius number of certain Fibonacci numerical semigroups, that is, numerical semigroups generated by a set of Fibonacci numbers, in terms of Fibonacci numbers.
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Chapter of Book
Modelling of bedload sediment transport for weak and strong regimes
(Springer, 2021)A two-layer shallow water type model is proposed to describe bedload sediment transport for strong and weak interactions ...
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Article
A numerical model to simulate the transport of radionuclides in the western Mediterranean after a nuclear accident
(MDPI, 2023-01-10)The transport of radionuclides in the western Mediterranean Sea resulting from hypothetical accidents in a coastal nuclear ...
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Article
Exact values and lower bounds on the n-color weak Schur numbers for n = 2, 3
(Springer, 2023-08-23)For integers k, n with k, n ≥ 1, the n-color weak Schur number WSk (n) is defined as the least integer N, such that for ...
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Article
A computational approach to analyze the Hadamard quasigroup product
(American Institute of Mathematical Sciences (AIMS), 2023-03-30)Based on the binary product described by any Latin square, the Hadamard quasigroup product is introduced in this paper as ...
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Article
Minimum gradation in greyscales of graphs
(Elsevier, 2023-05)In this paper we present the notion of greyscale of a graph as a colouring of its vertices that uses colours from the real ...
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Presentation
A Step Towards Learning Contraction Kernels for Irregular Image Pyramid
(SciTePress, 2022-02)A structure preserving irregular image pyramid can be computed by applying basic graph operations (contraction and removal ...
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Article
Elliptic Weingarten surfaces: Singularities, rotational examples and the halfspace theorem
(ScienceDirect, 2023)We show by phase space analysis that there are exactly 17 possible qualitative behaviors for a rotational surface in R3 ...
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Article
Partial matchings induced by morphisms between persistence modules
(ScienceDirect, 2023)We study how to obtain partial matchings using the block function Mf , induced by a morphism f between persistence modules. ...