What is included with this book?
1. Model Description and Basic Equations.
2. Random Walk without branching.
3. Spectral Classiﬁcation of the First Moments.
4. Limit Theorem for the Supercritical Case.
5. Moments in the Critical and Subcritical Cases.
6. Limit Theorems for the Critical Case.
7. Limit Theorems for the Subcritical Case.