Generalized Models of the Seir Epidemiological Model and Their Discrete Analogues

The paper considers a discrete analogue of the $SEIR$ model, which, unlike SIR, includes a group of infected individuals in the incubation (latent) period. This model is based on Lotka-Volterra mappings operating in a three-dimensional simplex with degenerate skew-symmetric matrices, which correspond to mixed graphs. The models considered in this paper are intended to study the course of viral diseases transmitted by the air-capillary route without a repeated effect.

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