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YAO Feng, XIE Hai xiu, LI Xue zhi. The existence and uniqueness of nonnegative solution for a class of age-structured SEIR epidemic mod[J]. Journal of Xinyang Normal University (Natural Science Edition), 2001, 14(3): 268-271.
Citation: YAO Feng, XIE Hai xiu, LI Xue zhi. The existence and uniqueness of nonnegative solution for a class of age-structured SEIR epidemic mod[J]. Journal of Xinyang Normal University (Natural Science Edition), 2001, 14(3): 268-271.
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The existence and uniqueness of nonnegative solution for a class of age-structured SEIR epidemic mod

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    • Abstract
  • A class of age structured SEIR epidemic model described by a set of partial differential equations is discussed.By means of the theory of C 0 semigroup and its nonlinear perturbation of bounded linear operators,it is proved that this model has a unique nonnegative solution.
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