2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/123564This is an overview article on finite-dimensional algebras and quivers, written for the Encyclopedia of Mathematical Physics. We cover path algebras, Ringel-Hall algebras and the quiver varieties of Lusztig and Nakajima.9 pages, 7 figuresRings and AlgebrasRepresentation Theory16G20, 16-02text