Difference between revisions of "Bellman-Harris process"
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| − | <table><TR><TD valign="top">[1]</TD> <TD valign="top"> R. Bellman, T.E. Harris, "On the theory of age-dependent stochastic branching processes" ''Proc. Nat. Acad. Sci. USA'' , '''34''' | + | <table><TR><TD valign="top">[1]</TD> <TD valign="top"> R. Bellman, T.E. Harris, "On the theory of age-dependent stochastic branching processes" ''Proc. Nat. Acad. Sci. USA'' , '''34''' (1948) pp. 601–604 {{MR|0027466}}</TD></TR></table> |
Revision as of 05:12, 30 March 2012
2020 Mathematics Subject Classification: Primary: 60J80 [MSN][ZBL]
A special case of an age-dependent branching process (cf. Branching process, age-dependent). It was first studied by R. Bellman and T.E. Harris [1]. In the Bellman–Harris process it is assumed that particles live, independently of each other, for random periods of time, and produce a random number of new particles at the end of their life time. If 
is the distribution function of the life times of the individual particles, if 
is the generating function of the number of direct descendants of one particle, and if at time 
the age of the particle was zero, then the generating function 
of the number of particles 
satisfies the non-linear integral equation
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If
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the Bellman–Harris process is a Markov branching process with continuous time.
References
| [1] | R. Bellman, T.E. Harris, "On the theory of age-dependent stochastic branching processes" Proc. Nat. Acad. Sci. USA , 34 (1948) pp. 601–604 MR0027466 |
Bellman-Harris process. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Bellman-Harris_process&oldid=22083