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On the use of the characteristic functional in the analysis of some stochastic processes occurring in physics and biology

Published online by Cambridge University Press:  24 October 2008

M. S. Bartlett
Affiliation:
Department of MathematicsUniversity of Manchester
David G. Kendall
Affiliation:
Magdalen CollegeOxford

Extract

1. Introduction. In a recent contribution to these Proceedings Alladi Rama-krishnan (23) has discussed a number of problems which arise when the development of a cascade shower of cosmic rays is considered from the standpoint of the theory of stochastic processes. As has often been remarked (see, for example, the important study by Niels Arley (1)), there is a close formal analogy between such physical phenomena and the growth of biological populations. In particular, if the distance of penetration (t) is identified with the time, and the energy (E) of a particle in the shower is replaced by the age (x) of an individual in the population, there emerges an obvious analogy between stochastic fluctuations in the energy spectrum of the shower and similar fluctuations in the age distribution of the population.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1951

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