On feebly compact semitopological semilattice ${\exp }_n\lambda$

Oleg Gutik, Oleksandra Sobol

We study feebly compact shift-continous topologies on the semilattice $\left({\exp }_n\lambda ,\cap \right)$. It is proved that such $T_1$-topology is sequentially pracompact if and only if i…