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On SDE associated with continuous-state branching processes conditioned to never be extinct

   
@article{ECP1972,
	author = {Maria Fittipaldi and Joaquin Fontbona T.},
	title = {On SDE associated with continuous-state branching processes conditioned to never be extinct},
	journal = {Electron. Commun. Probab.},
	fjournal = {Electronic Communications in Probability},
	volume = {17},
	year = {2012},
	keywords = {Stochastic Differential Equations; Continuous-state branching processes; Non-extinction; Immigration},
	abstract = {We study the  pathwise description of  a (sub-)critical continuous-state branching process (CSBP) conditioned to be never extinct, as  the solution to a stochastic differential equation driven by Brownian motion  and Poisson point measures. The interest of our approach,  which relies on applying Girsanov theorem on the SDE that describes the unconditioned CSBP, is that it  points out an explicit mechanism to build the immigration term appearing in the conditioned process, by randomly selecting jumps of the original one. These techniques should also be useful to represent more general $h$-transforms of diffusion-jump processes.},
	pages = {no. 49, 1-13},
	issn = {1083-589X},
	doi = {10.1214/ECP.v17-1972},    
        url = {http://ecp.ejpecp.org/article/view/1972}}