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Factor of border crossing limitation with an infection hub in the SIR covid model

In this work we develop a new nonlinear net-based SIR epidemic problem modeling the spreading of coronavirus under the effect of a border crossing limits by the government measures to stop coronavirus spreading. We show that the emergence and disappearance of subsequent waves of infection on the degree of relationship with a hub is non-linear, and with a large degree of relationships, the number of waves can decrease.