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4 papers · 1 filter
The open polynomials of the finite topologies
Moussa Benoumhani
Let T be a topology on the finite set Xn. We consider the open polynomial associated with the topology T. Its coefficients are the cardinality of open sets of size j=0,...,n. J. Br…
New Parametric Approach for the General Lorenz System
Lazhar Bougoffa, Smail Bougouffa
We are concerned with the study of the system of coupled equations of motion for a system of two-level atoms interacting with a single-mode field in the laser cavity on resonance.…
Network Decontamination with a Single Agent
Yessine Daadaa, Asif Jamshed, Mudassir Shabbir
Faults and viruses often spread in networked environments by propagating from site to neighboring site. We model this process of {\em network contamination} by graphs. Consider a g…
A multigrid method for the Helmholtz equation with optimized coarse grid corrections
Christiaan C. Stolk, Mostak Ahmed, Samir K. Bhowmik
We study the convergence of multigrid schemes for the Helmholtz equation, focusing in particular on the choice of the coarse scale operators. Let G_c denote the number of points pe…