Time development of probability distributions for interacting species
โ Scribed by Gerald Rosen
- Publisher
- Springer
- Year
- 1979
- Tongue
- English
- Weight
- 450 KB
- Volume
- 41
- Category
- Article
- ISSN
- 1522-9602
No coin nor oath required. For personal study only.
โฆ Synopsis
A general solution to the dynamical equation for the probability distribution associated with n interacting species is obtained by employing the author's generic canonical expression for the rate functions. Interacting species models with limit-cycle dynamics and no stable equilibrium points feature probability distributions that are asymptotic for large values of t to Dirac B-distributions concentrated on the limit-cycles, as illustrated here for an analytically solvable two-species model. For an n-species Volterra model, a stationary or temporally-averaged probability distribution should generally be much more complicated than the specialized Poisson form studied by Kerner and others.
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Probability distributions of species sensitivities describe variation among species in response to toxicants. These distributions indicate what proportion of species assemblage is expected to suffer adverse effects upon toxicant exposure. Sensitivity distributions demonstrate how representative mode
By observing that the n-tuple of rate functions Q(c) is orthogonal to the c-space gradients of each of the (n -1) constants of the motion (I),(c), a generic canonical expression for the rate functions is given in terms of the exterior product of the gradients of the (n -l) (I)/s. For models with O s