Multiple-drawing dynamic Friedman urns with opposite-reinforcement
Autor: | Shuyang Gao, Rafik Aguech |
---|---|
Rok vydání: | 2023 |
Předmět: | |
Zdroj: | Probability in the Engineering and Informational Sciences. :1-15 |
ISSN: | 1469-8951 0269-9648 |
DOI: | 10.1017/s0269964822000535 |
Popis: | In this study, we consider a class of multiple-drawing opposite-reinforcing urns with time-dependent replacement rules. The class has the symmetric property of a Friedman-type urn. We divide the class into a small-increment regime and a large-increment regime. For small-increment schemes, we prove almost-sure convergence and a central limit theorem for the proportion of white balls by stochastic approximation. For large-increment schemes, by assuming the affinity condition, we show almost-sure convergence of the proportion of white balls by martingale theory and present a way to identify the limit distribution of the proportion of white balls. |
Databáze: | OpenAIRE |
Externí odkaz: |