Search Results - subject:"branching"

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Heavy tailed solutions of multivariate smoothing transforms

Buraczewski, Dariusz; Damek, Ewa; Mentemeier, Sebastian; … - In: Stochastic Processes and their Applications 123 (2013) 6, pp. 1947-1986

Let N1 be a fixed integer and (C1,…,CN,Q) a random element of M(d×d,R)N×Rd. We consider solutions of multivariate smoothing transforms, i.e. random variables R satisfying R=d∑i=1NCiRi+Q where =d denotes equality in distribution, and R,R1,…,RN are independent identically distributed...

Persistent link: https://www.econbiz.de/10011064976

Splitting trees with neutral Poissonian mutations II: Largest and oldest families

Champagnat, Nicolas; Lambert, Amaury - In: Stochastic Processes and their Applications 123 (2013) 4, pp. 1368-1414

We consider a supercritical branching population, where individuals have i.i.d. lifetime durations (which are not …

Persistent link: https://www.econbiz.de/10011065053

A large deviation theorem for a branching Brownian motion with random immigration

Sun, Hongyan - In: Statistics & Probability Letters 83 (2013) 6, pp. 1559-1566

We establish a large deviation theorem for a branching Brownian motion with random immigration under the annealed law … for d≥5, where the immigration is determined by another branching Brownian motion. …

Persistent link: https://www.econbiz.de/10011039892

Theoretical estimation of metabolic network robustness against multiple reaction knockouts using branching process approximation

Takemoto, Kazuhiro; Tamura, Takeyuki; Akutsu, Tatsuya - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 21, pp. 5525-5535

In our previous study, we showed that the branching process approximation is useful for estimating metabolic robustness …, measured using the impact degree. By applying a theory of random family forests, we here extend the branching process …

Persistent link: https://www.econbiz.de/10010742337

Estimation of the mean for critical branching process and its bootstrap approximation

Yang, Xiao-Rong - In: Metrika 76 (2013) 6, pp. 831-846

This article focuses attention on the estimation of the mean of a sequence of branching process with immigration in the …

Persistent link: https://www.econbiz.de/10010995196

Waiting times for particles in a branching Brownian motion to reach the rightmost position

Chen, Xinxin - In: Stochastic Processes and their Applications 123 (2013) 8, pp. 3153-3182

It has been proved by Lalley and Sellke (1987) [13] that every particle born in a branching Brownian motion has a …

Persistent link: https://www.econbiz.de/10010679227

Convergence rate of the limit theorem of a Galton–Watson tree with neutral mutations

Chen, Xinxin - In: Statistics & Probability Letters 83 (2013) 2, pp. 588-595

We consider a Galton–Watson branching process with neutral mutations (infinite alleles model), and we decompose the … limit in law is a certain continuous state-space branching process (CSBP). In the present work, we obtain a Central Limit …

Persistent link: https://www.econbiz.de/10010602920

Branching points for transition pathways: assessing responses of actors to challenges on pathways to a low carbon future

Foxon, Timothy J.; Pearson, Peter J.G.; Arapostathis, … - In: Energy Policy 52 (2013) C, pp. 146-158

This paper describes initial analysis of branching points on a set of transition pathways to a UK low carbon … society actors, respectively dominate. This core pathway analysis is enhanced by analyses of branching points within and … across the pathways, which informs how competition between different logics plays out at key decision points. Branching …

Persistent link: https://www.econbiz.de/10010603231

Governing transitions: Cases and insights from two periods in the history of the UK gas industry

Arapostathis, Stathis; Carlsson-Hyslop, Anna; Pearson, … - In: Energy Policy 52 (2013) C, pp. 25-44

theoretical approach to transitions by focusing on key decisions at ‘branching points’ that led to transitions in the UK gas …

Persistent link: https://www.econbiz.de/10010603232

Apparent criticality and calibration issues in the Hawkes self-excited point process model : application to high-frequency financial data

Filimonov, Vladimir; Sornette, Didier - 2013

critical values for the branching ratio (n = 1) while the true value is actually n = 0. More generally, regime shifts on the … bias in the estimation of the branching ratio. We demonstrate the importance of the preparation of the high …

Persistent link: https://www.econbiz.de/10010257507