This study asked if there was evidence of Thomas E. Watson’s (1856-1922) shifting racial views in the histories he published between 1899 and 1912. Watson is famous for h[...]

We study the behavior of branching process in a random environment on trees in the critical, subcritical and supercritical case. We are interested in the case when both t[...]

The paper contains the complete analysis of the Galton-Watson models with immigration, including the processes in the random environment, stationary or nonstationary ones[...]