PARENTI C.; PARMEGGIANI A., A Lyapunov lemma for elliptic systems, «ANNALS OF GLOBAL ANALYSIS AND GEOMETRY», 2004, 25, pp. 27 - 41 [articolo]
A. Parmeggiani, On the Spectrum and the Lowest Eigenvalue of Certain
Non-Communtative Harmonic Oscillators, «KYUSHU JOURNAL OF MATHEMATICS», 2004, 58, pp. 277 - 322 [articolo]
C.Parenti; A.Parmeggiani, The Cauchy Problem
for Certain Systems with Double Characteristics, «OSAKA JOURNAL OF MATHEMATICS», 2004, 41, pp. 659 - 680 [articolo]
A. Parmeggiani, M. Wakayama, Corrigenda and remarks to: "Non-commutative harmonic oscillators. I.'', «FORUM MATHEMATICUM», 2003, 15, pp. 955 - 963 [articolo]
A. Parmeggiani, M. Wakayama, A remark on systems of differential equations associated with representations of sl2(R) and their perturbations, «KODAI MATHEMATICAL JOURNAL», 2002, 25, pp. 254 - 277 [articolo]
Parenti C.; Parmeggiani A., Lower bounds for systems with double characteristics, «JOURNAL D'ANALYSE MATHEMATIQUE», 2002, 86, pp. 49 - 91 [articolo]
Parmeggiani A.; Wakayama M., Non-commutative harmonic oscillators-I, «FORUM MATHEMATICUM», 2002, 14, pp. 539 - 604 [articolo]
Parmeggiani A.; Wakayama M., Non-commutative harmonic oscillators-II, «FORUM MATHEMATICUM», 2002, 14, pp. 669 - 690 [articolo]
Parmeggiani A.; Wakayama M., Oscillator representations and systems of ordinary differential equations, «PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA», 2001, 98, pp. 26 - 30 [articolo]
Parenti C.; Parmeggiani A., A generalization of Hörmander's inequality-I, «COMMUNICATIONS IN PARTIAL DIFFERENTIAL EQUATIONS», 2000, 25, pp. 457 - 506 [articolo]
Parmeggiani A., Necessary and sufficient conditions for the almost-positivity of certain 4th-order pseudodifferential operators. A generalization, «FORUM MATHEMATICUM», 1998, 10, pp. 277 - 301 [articolo]
Parenti C.; Parmeggiani A., Some Remarks on Almost-Positivity of ψdo ' s, «BOLLETTINO DELL'UNIONE MATEMATICA ITALIANA. B», 1998, 1, pp. 187 - 215 [articolo]
Alberto Parmeggiani, An application of the almost-positivity of a class of fourth-order pseudodifferential operators, «JOURNAL D'ANALYSE MATHEMATIQUE», 1997, 71, pp. 41 - 57 [articolo]
Parmeggiani A., Subunit balls for symbols of pseudodifferential operators, «ADVANCES IN MATHEMATICS», 1997, 131, pp. 357 - 452 [articolo]
A. Parmeggiani, C.-J. Xu, The Dirichlet problem for sub-elliptic second order equations, «ANNALI DI MATEMATICA PURA ED APPLICATA», 1997, 173, pp. 233 - 243 [articolo]
