Articolo in rivista

CONVERGENCE OF A VECTOR-BGK APPROXIMATION FOR THE INCOMPRESSIBLE NAVIER-STOKES EQUATIONS

We present a rigorous convergence result for smooth solutions to a singular semilinear hyperbolic approximation, called vector-BGK model, to the solutions to the incompressible Navier-Stokes equations in Sobolev spaces. Our proof deeply relies on the dissipative properties of the system and on the…

A nonlinear parabolic-hyperbolic system for contact inhibition of cell-growth

We consider a tumor growth model involving a nonlinear system of partial differential equations which describes the growth of two types of cell population densities with contact inhibition. In one space dimension, it is known that global solutions exist and that they satisfy the so-called…

Massless spinning test particles in vacuum algebraically special spacetimes

The motion of massless spinning test particles is investigated using the Newman-Penrose formalism within the Mathisson-Papapetrou model extended to massless particles by Mashhoon and supplemented by the Pirani condition. When the \lq\lq multipole reduction world line" lies along a principal null…

Model checking based approach for compliance checking

Process mining is the set of techniques to retrieve a process model starting from available logging data. The discovered process model has to be analyzed to verify whether it respects the defined properties, i.e., the so-called compliance checking. Our aim is to use a model checking based approach…

Compression of AVHRR images by wavelet packets

AVHRR is an imager flying on polar meteorological satellites that, due to its spatial resolution (about 1 km at Nadir view), produces a huge amount of data. A method based on the wavelet packet transform is devised to compress AVHRR images. The method is driven by the compression error (application…

Dimensionality and morphology of particle and bubble clusters in turbulent flow

Designing a web Spatial Decision Support System based on Analytic Network Process to locate a freight lorry parking

The relevant role of freight lorry parking facilities as a tool to reduce nuisances and impact of economic activities in densely populated urban areas is widely recognised in the literature. Nevertheless, the literature currently lacks specific contributions addressing the use of a complex Multiple…

A fully-discrete-state kinetic theory approach to modeling vehicular traffic

This paper presents a new mathematical model of vehicular traffic, based on the methods of the generalized kinetic theory, in which the space of microscopic states (position and speed) of the vehicles is genuinely discrete. While in the recent literature discrete-velocity kinetic models of car…

Analysis of the HBLA-B27 extended haplotype in Sardinia disclosed additional predisposing factors for Ankylosing Spondylitis.

The phenotypic variations of multi-locus imprinting disturbances associated with maternal-effect variants of NLRP5 range from overt imprinting disorder to apparently healthy phenotype

Background A subset of individuals affected by imprinting disorders displays multi-locus imprinting disturbances (MLID). MLID has been associated with maternal-effect variants that alter the maintenance of methylation at germline-derived differentially methylated regions (gDMRs) in early…