density functional theory 1electronic structure 1high-performance computing 1open-source software 1plane-wave methods 1pseudopotentials 1
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Showing 2008 · math.APShow all
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math.AP2008★ 28 cited
On doubling inequalities for elliptic systems
Giovanni Alessandrini, Antonino Morassi, Edi Rosset +1
We prove doubling inequalities for solutions of elliptic systems with an iterated Laplacian as diagonal principal part and for solutions of the Lame' system of isotropic linearized…
math.AP2008
Existence, multiplicity and stability of endemic states for an age-structured S-I epidemic model
D. Breda, D. Visetti
We study an S--I type epidemic model in an age-structured population, with mortality due to the disease. A threshold quantity is found that controls the stability of the disease-fr…