Ma, Chunhua - In: Statistics & Probability Letters 79 (2009) 15, pp. 1710-1716
We provide a simple set of sufficient conditions for the weak convergence of two-type Galton-Watson branching processes with immigration to two-dimensional, continuous-time, continuous-state branching processes with immigration, which generalizes the limit result of Li [Li, Z.H., 2006a. A limit...