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- W2903672110 abstract "We provide a mean-field description for a leader–follower dynamics with mass transfer among the two populations. This model allows the transition from followers to leaders and vice versa, with scalar-valued transition rates depending nonlinearly on the global state of the system at each time. We first prove the existence and uniqueness of solutions for the leader–follower dynamics, under suitable assumptions. We then establish, for an appropriate choice of the initial datum, the equivalence of the system with a PDE–ODE system, that consists of a continuity equation over the state space and an ODE for the transition from leader to follower or vice versa. We further introduce a stochastic process approximating the PDE, together with a jump process that models the switch between the two populations. Using a propagation of chaos argument, we show that the particle system generated by these two processes converges in probability to a solution of the PDE–ODE system. Finally, several numerical simulations of social interactions dynamics modeled by our system are discussed." @default.
- W2903672110 created "2018-12-22" @default.
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- W2903672110 date "2019-04-01" @default.
- W2903672110 modified "2023-09-25" @default.
- W2903672110 title "Leader formation with mean-field birth and death models" @default.
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- W2903672110 doi "https://doi.org/10.1142/s0218202519400025" @default.
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