Small set
= Small set
A set $A$ is $\alpha$-small when some iterate satisfies $K^m(x,\mathord\cdot)\geq\alpha\nu(\mathord\cdot)$ for every $x\in A$ and some probability measure $\nu$.
= Small set
A set $A$ is $\alpha$-small when some iterate satisfies $K^m(x,\mathord\cdot)\geq\alpha\nu(\mathord\cdot)$ for every $x\in A$ and some probability measure $\nu$.