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  4. Rendiconti dell’Istituto di Matematica dell’Università di Trieste: an International Journal of Mathematics
  5. Rendiconti dell'Istituto di Matematica dell'Università di Trieste: an International Journal of Mathematics vol.20 (1988) s.
  6. Non-ordered lower and upper solutions and solvability of the periodic problem for the Liénard and the Rayleigh equations
 
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Non-ordered lower and upper solutions and solvability of the periodic problem for the Liénard and the Rayleigh equations

Omari, Pierpaolo
1988
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ISSN
0049-4704
http://hdl.handle.net/10077/4874
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Abstract
In questo lavoro si studia l’esistenza di soluzioni periodiche per le equazioni di Liénard e di Rayleigh in presenza di sotto e sopra soluzioni non necessariamente ordinate. In questo modo si completano ed estendono vari risultati precedentemente apparsi in letteratura.
In this paper we study the existence of periodic solutions for the Liénard and the Rayleigh equations in presence of lower and upper solutions which are not necessarily ordered. In this way several previous results in the literature are completed and extended.
Series
Rendiconti dell’Istituto di Matematica dell’Università di Trieste. An International Journal of Mathematics
20 (1988) s.
Publisher
Università degli Studi di Trieste. Dipartimento di Scienze Matematiche
Source
Pierpaolo Omari, “Non-ordered lower and upper solutions and solvability of the periodic problem for the Liénard and the Rayleigh equations”, in: Rendiconti dell’Istituto di Matematica dell’Università di Trieste. An International Journal of Mathematics, 20 (1988) s., pp. 54-64.
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