On a class of birth-death processes with time-varying intensity functions

作者:

Highlights:

• Special class of birth-death chains.

• Time-inhomogeneous unrestricted birth-death chains.

• Time-inhomogeneous restricted birth-death processes.

• Time-inhomogeneous double-ended chains.

• Composition method.

• Transient probabilities.

• Reflecting boundary.

• Symmetric birth-death processes with respect to zero state.

• Conditional moments

• First-passage time problems.

• First-passage time densities.

• Proportional intensity functions.

• Periodic intensity functions

• Numerical computations.

• Flexibility in the shape of the distributions.

摘要

•Special class of birth-death chains.•Time-inhomogeneous unrestricted birth-death chains.•Time-inhomogeneous restricted birth-death processes.•Time-inhomogeneous double-ended chains.•Composition method.•Transient probabilities.•Reflecting boundary.•Symmetric birth-death processes with respect to zero state.•Conditional moments•First-passage time problems.•First-passage time densities.•Proportional intensity functions.•Periodic intensity functions•Numerical computations.•Flexibility in the shape of the distributions.

论文关键词:Inhomogeneous birth-death chain,Transient distributions,First-passage time densities,Periodic intensity functions

论文评审过程:Received 12 December 2019, Revised 13 March 2020, Accepted 22 March 2020, Available online 13 April 2020, Version of Record 13 April 2020.

论文官网地址:https://doi.org/10.1016/j.amc.2020.125255