CHIAPPINELLI, RAFFAELE
CHIAPPINELLI, RAFFAELE
Dipartimento di Ingegneria dell'Informazione e Scienze Matematiche
A new theme in nonlinear analysis: continuation and bifurcation of the unit eigenvectors of a perturbed linear operator
2011-01-01 Chiappinelli, Raffaele; Furi, M.; Pera, M. P.
A-priori bounds and asymptotics on the eigenvalues in bifurcation problems for perturbed self-adjoint operators
2009-01-01 Chiappinelli, Raffaele
An application of Ekeland’s Variational Principle to the spectrum of nonlinear homogeneous gradient operators
2008-01-01 Chiappinelli, Raffaele
An estimate on the eigenvalues in bifurcation for gradient mappings
1997-01-01 Chiappinelli, Raffaele
Approximation and convergence rate of nonlinear eigenvalues: Lipschitz perturbations of a bounded self-adjoint operator
2017-01-01 Chiappinelli, Raffaele
Bifurcation from infinity and multiple solutions for an elliptic system
1993-01-01 Chiappinelli, Raffaele; de Figueiredo, D. G.
Bifurcation from infinity and multiple solutions for some Dirichlet problems with unbounded nonlinearities
1992-01-01 Chiappinelli, Raffaele; Mawhin, J; Nugari, Rita
Bifurcation when the linearized problem has no eigenvalues
1978-01-01 Chiappinelli, Raffaele; Stuart, C. A.
Bounds on eigenvalues of nonlinearly perturbed compact selfadjoint operators
1998-01-01 Chiappinelli, Raffaele
Compact embeddings of some weighted Sobolev spaces on RN
1995-01-01 Chiappinelli, Raffaele
Constrained critical points and eigenvalue approximation for semilinear elliptic operators
1999-01-01 Chiappinelli, Raffaele
Eigenvalue asymptotics and a nonlinear Schrödinger equation
1993-01-01 Chiappinelli, Raffaele; Edmunds, D. E.
Eigenvalues of homogeneous gradient mappings in Hilbert space and the Birkhoff-Kellogg theorem
2007-01-01 Chiappinelli, Raffaele
Estimates on the eigenvalues for some nonlinear ordinary differential operators
1989-01-01 Chiappinelli, Raffaele
Generalized Ambrosetti-Prodi conditions for nonlinear two-point boundary value problems
1987-01-01 Chiappinelli, Raffaele; Mawhin, J; Nugari, Rita
Isolated connected eigenvalues in nonlinear spectral theory
2003-01-01 Chiappinelli, Raffaele
Locating the point spectrum of some semilinear elliptic operators
2002-01-01 Chiappinelli, Raffaele
Measure of noncompactness, surjectivity of gradient operators and an application to the p-Laplacian
2019-01-01 Chiappinelli, R.; Edmunds, D. E.
Nonlinear homogeneous perturbation of the discrete spectrum of a self-adjoint operator and a new Constrained Saddle Point Theorem
2006-01-01 Chiappinelli, Raffaele
Nonlinear rayleigh quotients and nonlinear spectral theory
2019-01-01 Chiappinelli, R.