GLOBAL ANALYSIS OF SOME EPIDEMIC MODELSWITH GENERAL CONTACT RATE ANDCONSTANT IMMIGRATION
An epidemic models of SIR type and SIRS type with general contact rate and constant immigration of each class were discussed by means of theory of limit system and suitable Liapunov functions. In the absence of input of infectious individuals, the threshold of existence of endemic equilibrium is fou...
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Veröffentlicht in: | Applied mathematics and mechanics 2004, Vol.25 (4), p.396-404 |
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Format: | Artikel |
Sprache: | eng |
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