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- W3102934631 abstract "We frame the issue of pedestrian dynamics modeling in terms of path-integrals, a formalism originally introduced in quantum mechanics to account for the behavior of quantum particles, later extended to quantum field theories and to statistical physics. Path-integration enables a trajectory-centric representation of the pedestrian motion, directly providing the probability of observing a given trajectory. This appears as the most natural language to describe the statistical properties of pedestrian dynamics in generic settings. In a given venue, individual trajectories can belong to many possible usage patterns and, within each of them, they can display wide variability. We provide first a primer on path-integration, and we introduce and discuss the path-integral functional probability measure for pedestrian dynamics in the diluted limit. As an illustrative example, we connect the path-integral description to a Langevin model that we developed previously for a particular crowd flow condition (the flow in a narrow corridor). Building on our previous real-life measurements, we provide a quantitatively correct path-integral representation for this condition. Finally, we show how the path-integral formalism can be used to evaluate the probability of rare-events (in the case of the corridor, U-turns)." @default.
- W3102934631 created "2020-11-23" @default.
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- W3102934631 date "2019-03-26" @default.
- W3102934631 modified "2023-09-25" @default.
- W3102934631 title "Path-integral representation of diluted pedestrian dynamics" @default.
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- W3102934631 doi "https://doi.org/10.1142/9789813239609_0010" @default.
- W3102934631 hasPublicationYear "2019" @default.
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