2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71994We survey recent results on $p$-ranks and Smith normal forms of some $2-(v,k,λ)$ designs. In particular, we give a description of the recent work in \cite{csx} on the Smith normal forms of the 2-designs arising from projective and affine spaces over $\Ff_q$.15 pagesCombinatorics05B10; 05E20Recent results on $p$-ranks and Smith normal forms of some $2-(v,k,λ)$ designstext