Results 261 to 270 of about 125,620 (311)
The conserved microtubule-associated protein Mini Spindles promotes dendrite branching and limits terminal branch elongation in <i>Drosophila</i> class III and IV dendritic arborization neurons. [PDF]
MicroPubl BiolKittock C, Anvery N, Misra M.
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Sesqui-type branching processes
Stochastic Processes and Their Applications, 2018 We consider branching processes consisting of particles (individuals) of two types (type and type ) in which only particles of type have offspring, proving estimates for the survival probability and the (tail of) the distribution of the total number of
Svante Janson +2 more
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, 2009 Vejitveni proces je matematični model razvoja in rasti neke populacije. Opazujemo lahko razvoj populacije po generacijah ali pa po časovnih intervalih. Takim vejitvenim procesom pravimo časovno odvisni. Obravnavali smo jih s pomočjo rodovne funkcije in s
Mikko J. Alava, Kent Bækgaard Lauritsen
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Journal of Soviet Mathematics, 1987
This is a survey article of that literature of classical branching process theory which has appeared since \textit{B. A. Sevast'yanov}'s survey in ibid. 1968, 5-48 (1968; Zbl 0196.189). By ''classical'' is meant: a finite number of types, independence of evolutionary lines, reproduction law homogeneous through time.
Vatutin, V. A., Zubkov, A. M.
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This is a survey article of that literature of classical branching process theory which has appeared since \textit{B. A. Sevast'yanov}'s survey in ibid. 1968, 5-48 (1968; Zbl 0196.189). By ''classical'' is meant: a finite number of types, independence of evolutionary lines, reproduction law homogeneous through time.
Vatutin, V. A., Zubkov, A. M.
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Integrals of branching processes
Biometrika, 1967SUMMARY For age-dependent branching processes X(t) integrals of the type Y(t) = f X(s) ds are studied. These may be looked upon as a measure of the amount of toxins produced in time (0, t) by a colony of bacteria. An integral equation for the moment generating function of {X(t), Y(t)} is deduced and used to analyze the asymptotic behaviour of the two ...
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Computerization of the branching process
Behavioral Science, 1967The branching process had its origin in Galton's curiosity about the extinction of family names; the mathematics developed for this original purpose has since found many applications in physical as well as social science. The present paper gives an elementary summary of the theory in the iterated function first developed, and then translates this ...
N, Keyfitz, A, Tyree
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Probability in the Engineering and Informational Sciences, 1988
A set of niarms of typei, i= 1,…, L, is available. A pull of arm of typeioccupies a duration Viat the end of which a reward Ciand Ni1,…, NiLnew arms are obtained, while all other arms are frozen. A Gittins priority order of types is obtained and shown to yield the maximal discounted reward from this branching process of arms.
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A set of niarms of typei, i= 1,…, L, is available. A pull of arm of typeioccupies a duration Viat the end of which a reward Ciand Ni1,…, NiLnew arms are obtained, while all other arms are frozen. A Gittins priority order of types is obtained and shown to yield the maximal discounted reward from this branching process of arms.
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On an Explosive Branching Process
Theory of Probability & Its Applications, 1996Summary: We consider a Markov branching process \(\{Z(t)\), \(t \in [0, \tau)\}\) that explodes at a random time \(\tau\). [This means that \(P\{Z(t)=\infty \}>0\) for some \(t\in (0,\infty)\), and \(\tau:=\inf \{t:Z(t)=\infty \}\)]. We estimate the value of \(Z(t)\) for \(t\) close to \(\tau\).
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