VILLARINI, Massimo
VILLARINI, Massimo
Dipartimento di Scienze Fisiche, Informatiche e Matematiche
A geometric approach to the existence of sets of periodic orbits
2002 Margheri, A; Villarini, Massimo
A Rigidity Property of Perturbations of n Identical Harmonic Oscillators
2020 Villarini, M.
Algebraic criteria for the existence of analytic first integrals
1997 Villarini, Massimo
Algebraic nonsolvability of the problem of existence of holomorphic first integrals
1995 Villarini, Massimo
Detectability of critical points of smooth functionals from theirfinite-dimensional approximations
2010 Sani, F.; Villarini, Massimo
Error bounds for solutions of systems of quasi linear hyperbolic partial differential equations in diagonal form
1990 R., Ceppitelli; Villarini, Massimo
Error bounds for solutions of systems of quasilinear hyperbolic partial differential equations in bicharacteristic form
1986 R., Ceppitelli; Villarini, Massimo
Existence of multiple periodic solutions for a natural Hamiltonian system in a potential well
2009 Villarini, Massimo
Existence of periodic orbits for vector fields via Fuller index and the averaging method
2004 P., Benevieri; Gavioli, Andrea; Villarini, Massimo
Geometric bounds on the linearization domain and analytic dependence on parameters for families of analytic vector fields in a neighborhood ofa singular point
2011 Villarini, Massimo
Jets of differential equations having integrable extensions
1998 Villarini, Massimo
Limit cycles and bifurcation from a separatrix for a polynomial Lienard system in the plane.
1997 G., Villari; Villarini, Massimo
Normalization of Poincare' singularities via variation of constants
2005 T., Carletti; A., Margheri; Villarini, Massimo
On the Poincare'-Lyapunov Centre theorem
1999 Brunella, M.; Villarini, Massimo
On the problem of existence of holomorphic first integrals
1995 Villarini, Massimo
Periodic orbits for vector fields with nondegenerate first integrals
2001 Villarini, Massimo
Regularity properties of the period function near a centre of a planar vector field
1992 Villarini, Massimo
Smooth foliations by circles of S^7 with unbounded periods and nonlinearizable multicentres
2019 Villarini, Massimo
Smooth linearization of centres
2000 Villarini, Massimo
Some properties of planar polynomial systems of even degree
1992 Galeotti, M; Villarini, Massimo