Drift-minorisation condition
= Drift-minorisation condition
A geometric drift $KV\leq\lambda V+b\mathbf1_A$ with $\lambda<1$, together with a small-set minorisation on $A$ and irreducibility and aperiodicity, implies geometric ergodicity.
= Drift-minorisation condition
A geometric drift $KV\leq\lambda V+b\mathbf1_A$ with $\lambda<1$, together with a small-set minorisation on $A$ and irreducibility and aperiodicity, implies geometric ergodicity.