Massimo VILLARINI Professore Associato presso: Dipartimento di Scienze Fisiche, Informatiche e Matematiche sede ex-Matematica |

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## Pubblicazioni

**2017**
- Smooth foliations by circles of S^7 with unbounded periods and nonlinearizable multicentres
[Articolo su rivista]

Villarini, Massimo

abstract

**2011**
- Geometric bounds on the linearization domain and analytic dependence on parameters for families of analytic vector fields in a neighborhood ofa singular point
[Articolo su rivista]

Villarini, Massimo

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**2010**
- Detectability of critical points of smooth functionals from theirfinite-dimensional approximations
[Articolo su rivista]

Sani, F.; Villarini, Massimo

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**2009**
- Existence of multiple periodic solutions for a natural Hamiltonian system in a potential well
[Articolo su rivista]

Villarini, Massimo

abstract

**2007**
- Trends in Differential Equations and Dynamical Systems
[Esposizione]

Gavioli, Andrea; Malaguti, Luisa; Villarini, Massimo

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**2005**
- Normalization of Poincare' singularities via variation of constants
[Articolo su rivista]

T., Carletti; A., Margheri; Villarini, Massimo

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**2005**
- Trends in Differential Equations and Dynamical Systems
[Esposizione]

Gavioli, Andrea; Malaguti, Luisa; Villarini, Massimo

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**2004**
- Existence of periodic orbits for vector fields via Fuller index and the averaging method
[Articolo su rivista]

P., Benevieri; Gavioli, Andrea; Villarini, Massimo

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**2002**
- A geometric approach to the existence of sets of periodic orbits
[Articolo su rivista]

Margheri, A; Villarini, Massimo

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**2001**
- Periodic orbits for vector fields with nondegenerate first integrals
[Articolo su rivista]

Villarini, Massimo

abstract

**2000**
- Smooth linearization of centres
[Articolo su rivista]

Villarini, Massimo

abstract

**1999**
- On the Poincare'-Lyapunov Centre theorem
[Articolo su rivista]

Brunella, M.; Villarini, Massimo

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**1998**
- Jets of differential equations having integrable extensions
[Articolo su rivista]

Villarini, Massimo

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**1997**
- Algebraic criteria for the existence of analytic first integrals
[Articolo su rivista]

Villarini, Massimo

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**1997**
- Limit cycles and bifurcation from a separatrix for a polynomial Lienard system in the plane.
[Articolo su rivista]

G., Villari; Villarini, Massimo

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**1995**
- Algebraic nonsolvability of the problem of existence of holomorphic first integrals
[Articolo su rivista]

Villarini, Massimo

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**1995**
- On the problem of existence of holomorphic first integrals
[Articolo su rivista]

Villarini, Massimo

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**1992**
- Regularity properties of the period function near a centre of a planar vector field
[Articolo su rivista]

Villarini, Massimo

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**1992**
- Some properties of planar polynomial systems of even degree
[Articolo su rivista]

Galeotti, M; Villarini, Massimo

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**1990**
- Error bounds for solutions of systems of quasi linear hyperbolic partial differential equations in diagonal form
[Articolo su rivista]

R., Ceppitelli; Villarini, Massimo

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**1986**
- Error bounds for solutions of systems of quasilinear hyperbolic partial differential equations in bicharacteristic form
[Articolo su rivista]

R., Ceppitelli; Villarini, Massimo

abstract