Abstract
In this paper, we consider a critical Galton–Watson branching process with immigration stopped at zero W. Some precise estimation on the probability generating function of the n-th population are obtained, and the tail probability of the life period of W is studied. Based on above results, two conditional limit theorems for W are established.
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The authors are deeply grateful to the anonymous referees for their careful reading the original manuscript and helpful suggestions to improve the paper.
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The first author is supported by China Postdoctoral Science Foundation (Grant No. 2020M680269) and National Natural Science Foundation of China (Grant No. 12101023); the second author is supported by National Natural Science Foundation of China (Grant No. 11871103) and the National Key Research and Development Program of China (Grant No. 2020YFA0712900)
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Li, D.D., Zhang, M. & Zhang, X.Y. Limit Theorems for Critical Galton-Watson Processes with Immigration Stopped at Zero. Acta. Math. Sin.-English Ser. 40, 435–450 (2024). https://doi.org/10.1007/s10114-023-1574-3
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DOI: https://doi.org/10.1007/s10114-023-1574-3