2021
DOI: 10.1080/14029251.2019.1613052
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Integration of the stochastic logistic equation via symmetry analysis

Abstract: We apply the recently developed theory of symmetry of stochastic differential equations to a stochastic version of the logistic equation, obtaining an explicit integration, i.e. an explicit formula for the process in terms of any single realization of the driving Wiener process.

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Cited by 12 publications
(22 citation statements)
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“…Transforming back to the original variable x via ( 59) we obtain the solution to (57) in closed -albeit involved -form. The reader can see [75] for numerical experiments confirming the analytical procedure. ♦…”
Section: Examplesmentioning
confidence: 52%
See 1 more Smart Citation
“…Transforming back to the original variable x via ( 59) we obtain the solution to (57) in closed -albeit involved -form. The reader can see [75] for numerical experiments confirming the analytical procedure. ♦…”
Section: Examplesmentioning
confidence: 52%
“…Definition 7.2. (a) If the function J is such that dJ = 0 on solutions to the Ito equation (35), i.e., (75) is identically zero, we say that it is an invariant for the Ito equation (a phase space invariant if J = Ψ(x, t), and ( 78) is identically satisfied, a configurational invariant if J = Ψ(x)). (b) If this relation is valid only on the level set J = c, we say that J is a conditional invariant (a conditional phase space invariant if J = Ψ(x, t), a conditional configurational invariant if J = Ψ(x)) for the Ito equation.…”
Section: Invariant Manifolds and (Conditional) Configurational Invari...mentioning
confidence: 99%
“…Symmetry of Stochastic Differential Equations (SDEs) has been studied only in relatively recent years [21][22][23][24][25][26][27][29][30][31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47]. By now, a sound formulation of the theory is available, and we know how to use symmetries to integrate -or reduce the order of -SDEs [29][30][31][32][33][34][35][36][37][38].…”
Section: Introductionmentioning
confidence: 99%
“…Logistic activities, like any other field, are associated with decision-making (Gaeta, 2019). Moreover, decisions often have to be made in conditions of uncertainty, that is, under conditions “in which execution operation is uncertain, or there is a conscious opposition of a competitor or not enough clear and precise objectives of the operations.” Of course, the presence of uncertainty in the moment of decision-making complicates the process of choosing the optimal solution because uncertainty is probably the most critical risk factor in economic activities (Wetherill & Weiss, 1962).…”
Section: Introductionmentioning
confidence: 99%
“…Logistic activities, like any other field, are associated with decision-making (Gaeta, 2019). Moreover, decisions often have to be made in conditions of uncertainty, that is, under conditions "in which execution operation is uncertain, or there is a conscious opposition of a competitor or not enough clear and precise objectives of the operations."…”
Section: Introductionmentioning
confidence: 99%