\begin{definition}[Definition:Markov Chain/Homogeneous]
Let $\sequence {X_n}_{n \mathop \ge 0}$ be a Markov chain on a countable set $S$.
$\sequence {X_n}_{n \mathop \ge 0}$ is '''homogeneous''' {{iff}} $\condprob {X_{n + 1} = j} {X_n = i}$ does not depend on the value of $n$ for all $i, j \in S$.
\end{definition}