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Mesh Quality and conservative projection in Lagrangian compressiblehydrodynamic

We focuse on numerical simulation of two dimensional compressible fluids flows written in Lagrangian frame. Here, the initial mesh, generally formed by quadrangles (but triangles may sometimes appear)...

Time periodic solutions of Hamilton-Jacobi type equations

We will present existence results under usual hypotheses on the hamiltonian and show the relation with the solvability of the corresponding stationary (ergodic) problems. The nonuniqueness of, as well...

Numerical solution of the 1-D transient radiative transfer system

The talk will be focused on the numerical solution of the radiative heat transfer system. This system is composed of the energy equation coupled to the equation for the intensity of radiation, and it ...

Sul rapporto tra metodi di Lagrange-Galerkin e Semi-Lagrangiani

I metodi di Lagrange-Galerkin e Semi-Lagrangiani rappresentano due strade per costruire schemi a grandi passi in tempo per problemi di trasporto puro, sulla base di due diverse strategie di ricostruzi...

Sistemi multi-agente per la risoluzione dei conflitti nel controllo del traffico aereo

Un problema di grande attualità nell' ambito del controllo del traffico aereo è l'utilizzo di nuovi strumenti informatici a supporto dell'attività del pilota. In particolare, si tratta di gestire in m...

Numerical approximation schemes for stochastic differential equations

In this talk I will first present an introduction to stochastic delay differential equations and provide some application examples. Further, I will highlight some issues in their numerical treatment a...

Numerical study of singular behavior in compressible flows

The question of vacuum formation in compressible flows is a long-standing open in the mathematical theory of fluid dynamics. Roughly stated the issue is: do there exist solutions of the Navier-Stokes ...

Eigenvalues for The Generalized Robin Problem and Cheeger Domains

One of simple tools in estimating Dirichlet eigenvalues and the Dirichlet heat kernel is the monotonicity property for subdomains via the Rayleigh quotient. This fails even for convex domains for the ...

Generalizzazioni del modello di Ginzburg-Landau per materiali superconduttori composti

Variazioni del funzionale di energia di Ginzburg-Landau sono state introdotte nella letteratura fisica per rappresentare materiali superconduttori composti. Per esempio, la presenza di un metallo o di...