• Saddle-shaped solutions of bistable diffusion equations in all of R2m 

    Cabré Vilagut, Xavier; Mourao Terra, Joana (2009)
    Accés restringit per política de l'editorial
    We study the existence and instability properties of saddle-shaped solutions of the semilinear elliptic equation 􀀀1u D f .u/ in the whole R2m, where f is of bistable type. It is known that in dimension 2m D 2 there ...