2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/221679The structure of string-net lattice models, relevant as examples of topological phases, leads to a remarkably simple way of expressing their ground states as a tensor network constructed from the basic data of the underlying tensor categories. The construction highlights the importance of the fat lattice to understand these models.5 pages, pdf figuresStrongly Correlated ElectronsQuantum Physicstext