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Saddle points and inflection points
(Wolfram Demonstration Project, 2011)
Saddle points and inflection points
(Wolfram Demonstration Project, 2016)
SEMILINEAR ELLIPTIC-EQUATIONS WITH THE PRIMITIVE OF THE NONLINEARITY AWAY FROM THE SPECTRUM
(Pergamon-elsevier Science LtdOxfordInglaterra, 1991)
Semilinear elliptic equations with the primitive of the nonlinearity away from the spectrum
(Nonlinear Analysis: Theory, Methods & Applications, 2019)
Multiple solutions for an elliptic system near resonance
(Academic Press/ElsevierSan Diego, 2014-12-15)
We consider an elliptic system with linear part depending on two parameters and a sublinear perturbation. We obtain the existence of at least two solutions when the linear part is near resonance. The system is associated ...
Instability of equilibrium points of some Lagrangian systems
(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2008)
In this work we show that, if L is a natural Lagrangian system such that the k-jet of the potential energy ensures it does not have a minimum at the equilibrium and such that its Hessian has rank at least n - 2, then there ...
DIRAC CONFINEMENT BY A VARIATIONAL APPROACH
(Editrice Compositori Bologna, 1992-07-01)
An analytical approximate method for the Dirac equation with confining power law scalar plus vector potentials, applicable to the problem of the relativistic quark confinement, is presented. The method consists in an ...
DIRAC CONFINEMENT BY A VARIATIONAL APPROACH
(Editrice Compositori Bologna, 1992-07-01)
An analytical approximate method for the Dirac equation with confining power law scalar plus vector potentials, applicable to the problem of the relativistic quark confinement, is presented. The method consists in an ...