References
C. Alvarez — A.C. Lazer, An application of iopological degree to the periodic competing species problem, J. Austral. Math. Soc. (Ser.B), 28 (1986), 202–218.
H. Amann, A note on degree theory for gradient maps, Proc. Amer. Math. Soc, 85 (1982), 591–595.
A. Capietto, “Positive periodic solutions”, Magister Ph.Thesis, I.S.A.S., Trieste, 1988, in preparation.
L. Cesari, Functional Analysis, nonlinear differential equations and the alternative method, in “Nonlinear Functional Analysis and Differential Equations”, (L. Cesari, R. Kannan and J.D. Schuur, eds), pp.1–197, Dekker, New York, 1977.
C. C. Conley, “Isolated invariant sets and the Morse index”, CBMS 38, Amer. Math. Soc, Providence R.I., 1978.
E.N. Dancer, Multiple fixed points of positive mappings, J. für Reine und Angewandte Math., 371 (1986), 46–66.
P. DE Mottoni — A. Schiaffino, Competition systems with periodic coefficients: a geometric approach, J. Math. Biol., 11 (1981), 319–335.
M.L.C. Fernandes — F. Zanolin, Repelling conditions for boundary sets using Liapunov-like functions.1: flow-invariance, terminal value problem and weak persistence, Rend. Sem. Mat. Univ. Padova, in print.
M.L.C. Fernandes — F. Zanolin, On periodic solutions, in a given set, for differential systems, Trieste, 1987, preprint.
M. Furi — M.P. Pera, Global branches of periodic solutions for forced differential equations on nonzero Euler characteristic manifolds, Boll. Un. Mat. Ital. 3-C(6) (1984), 157–170.
M. Furi — M.P. Pera, A continuation principle for forced oscillations on differentiable manifolds, Pacific J.Math., 121 (1986), 321–338.
R.E. Gaines — J. Mawhin, “Coincidence degree and nonlinear differential equations”, Lecture Notes in Math., 586, Springer-Verlag, Berlin, 1977.
R.E. Gaines — J. Santanilla, A coincidence theorem in convex sets with applications to periodic solutions of ordinary differential equations, Rocky Mountain J. Math., 12 (1982), 669–678.
A. Granas, The Leray-Schauder index and the fixed point theory for arbitrary ANRs, Bull. Soc Math. France, 100 (1972), 209–228.
G.B. Gustafson - K. Schmitt, A note on periodic solutions for delay differential systems, Proc Amer. Math. Soc, 42 (1974), 161–166.
H. Hofer, Variational and topological methods in partially ordered Hilbert spaces, Math. Ann., 261 (1981), 493–514.
M.A. Krasnosel’skii, “The operator of translation along the trajectories of differential equations”, Amer. Math. Soc., Providence R.I., 1968.
M.A. Krasnosel’skii — P.P. Zabreiko, “Geometrical methods of nonlinear Analysis”, Springer-Verlag, Berlin, 1984.
J. Mawhin, Recent results on periodic solutions of differential equations, in “International Conference on Differential Equations”, (H. A. Antosiewicz, ed.), Proc. Conf. Southern California University, 1974, pp. 537–556, Academic Press, New York, 1975.
J. Mawhin, “Topological degree methods in nonlinear boundary value problems”, CBMS 40, Amer. Math. Soc., Providence R.I., 1979.
M. Nagumo, Über die Lage der Integralkurven gewöhnlicher Differentialgleichungen, Proc. Phys.-Math. Soc. Japan, (3) 24 (1942), 551–559.
R.D. Nussbaum, “The fixed point index and some applications”, Les Presses de l’Université de Montréal, 1985.
R. Reissig, Periodic solutions of a nonlinear n-th order vector differential equation, Ann. Mat. Pura Appl., (4) 87 (1970), 111–123.
K.P. Rybakowski, “The homotopy index and partial differential equations”, Springer-Verlag, Berlin, 1987.
J. Santanilla, Some coincidence theorems in wedges, cones and convex sets, J. Math. Anal. Appl., 105 (1985), 357–371.
J. Santanilla, Nonnegative solutions to boundary value problems for nonlinear first and second order ordinary differential equations, J. Math. Anal. Appl., 126 (1987), 397–408.
H.L. Smith, Periodic competitive differential equations and the discrete dynamics of competitive maps, J. Differential Equations, 64 (1986), 165–194.
H.L. Smith, Periodic solutions of periodic competitive and cooperative systems, SIAM J. Math. Anal., 17, (1986), 1289–1318.
R. Srzednicki, On rest points of dynamical systems, Fund. Math., 126, (1985), 69–81.
R. Srzednicki, Periodic and constant solutions via topological principle of Wazewski, Acta Math. Univ. lag., 26 (1987), 183–190.
T. Wažewski, Sur un principe topologique de l’examen de l’allure asymptotique des intégrales des équations différentielles, Ann. Soc. Polon. Math., 20 (1947), 279–313.
J.A. Yorke, Invariance for ordinary differential equations, Math. Systems Theory, I (1967), 353–372.
Author information
Authors and Affiliations
Additional information
Dedicated to Prof. Dr. R. Reissig on the occasion of his 65th birthday.
Rights and permissions
About this article
Cite this article
Capietto, A., Zanolin, F. An Existence Theorem for Periodic Solutions in Convex Sets with Applications. Results. Math. 14, 10–29 (1988). https://doi.org/10.1007/BF03323213
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1007/BF03323213