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- W4286587926 abstract "We consider a forager diffusing via a fractional heat equation and we introduce several efficiency functionals whose optimality is discussed in relation to the L'evy exponent of the evolution equation. Several biological scenarios, such as a target close to the forager, a sparse environment, a target located away from the forager and two targets are specifically taken into account. The optimal strategies of each of these configurations are here analyzed explicitly also with the aid of some special functions of classical flavor and the results are confronted with the existing paradigms of the L'evy foraging hypothesis. Interestingly, one discovers bifurcation phenomena in which a sudden switch occurs between an optimal (but somehow unreliable) L'evy foraging pattern of inverse square law type and a less ideal (but somehow more secure) classical Brownian motion strategy. Additionally, optimal foraging strategies can be detected in the vicinity of the Brownian one even in cases in which the Brownian one is pessimizing an efficiency functional." @default.
- W4286587926 created "2022-07-22" @default.
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- W4286587926 date "2022-07-20" @default.
- W4286587926 modified "2023-10-16" @default.
- W4286587926 title "Efficiency functionals for the L'evy flight foraging hypothesis" @default.
- W4286587926 doi "https://doi.org/10.48550/arxiv.2207.09873" @default.
- W4286587926 hasPublicationYear "2022" @default.
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