2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/215299In previous work, we defined the intersection graph of a chord diagram associated with a string link (as in the theory of finite type invariants). In this paper, we look at the case when this graph is a tree, and we show that in many cases these trees determine the chord diagram (modulo the usual 1-term and 4-term relations).14 pages, many figuresGeometric TopologyCombinatorics57M27; 05C05text