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The effects of seasonal fluctuations on an open access fishery problem |
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| Authors: | A. Ardito P. Ricciardi A. Schiaffino |
| Affiliation: | (1) Dipartimento di Matematica !["ldquo"]("/content/q357p2pt71356418/xlarge8220.gif") G. Castelnuovo!["rdquo"]("/content/q357p2pt71356418/xlarge8221.gif") , Università La Sapienza, P. le Aldo Moro n. 5, I-00185 Roma, Italy;(2) Dipartimento di Matematica, Università di Tor Vergata, Via della Ricerca Scientilica, I-00133 Roma, Italy |
| Abstract: | The Gordon-Schaefer model with periodic coefficients is studied. A suitable real parameter d is found such that positive periodic solutions exist iff d > 0. No uniqueness result may be proved as shown with an example.To the memory of Piero de Mottoni |
| Keywords: | Open access fishery Periodic coefficients Dynamical systems |
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