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In this paper we study the existence of radially symmetric solitary waves for nonlinear Klein-Gordon equations and nonlinear Schrodinger equations coupled with Maxwell equations. The method relies… (More)

sn this pper we otin some nonEexistene results for the ulein{qordon eqution oupled with the eletrostti eldF he method relies on the dedution of some suitle oho! zev identity whih… (More)

- Genni Fragnelli, Dimitri Mugnai
- SIAM J. Control and Optimization
- 2008

We consider two classes of semilinear wave equations with nonnegative damping which may be of type ”on–off” or integrally positive. In both cases we give a sufficient condition for the asymptotic… (More)

- Erasmo Recami, Cae Tolman, +31 authors Agata Vitale
- 2001

The question of Super-luminal (V 2 > c 2) objects or waves has a long story, starting perhaps in 50 b.C. with Lucretius' De Rerum Natura (cf., e.g., book 4, line 201: [<<Quone vides citius debere et… (More)

- Dimitri Mugnai
- 2004

where u is a real function and ω ∈ R. If one looks for solutions of (1.1) having the form (1.2), the nonlinear Klein-Gordon equation reduces to a semilinear elliptic equation, as well as if one looks… (More)

We consider a diffusive p–logistic equation in the whole of R with absorption and an indefinite weight. Using variational and truncation techniques we prove a bifurcation theorem and describe… (More)

We are concerned with multiplicity results for solutions of some reversed variational inequalities, in which the inequality is opposite with respect to the classical inequalities introduced by Lions… (More)

- Dimitri Mugnai
- 2003

The existence of nontrivial solutions for reversed variational inequalities involving p-Laplace operators is proved. The solutions are obtained as limits of solutions of suitable penalizing problems.

- Dimitri Mugnai
- 2004

We give the precise behaviour of some solutions of a nonlinear elliptic B.V.P. in a bounded domain when a parameter approaches an eigenvalue of the principal part. If the nonlinearity has some… (More)

- Stefano Bistarelli, Paolo Giuliodori, Dimitri Mugnai
- 2017 AEIT International Annual Conference
- 2017

In this work, we face a payment estimation problem that involves a community of users and an energy distributor (or producer). Our aim is to compute a payment function in relation to single user's… (More)