2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/102183We obtain a system of relations between linear Hodge integrals. As an application, we show that its first non-trivial relation implies the Witten's Conjecture/Kontsevich Theorem.9 pages, LaTeX; references added, typos correctedAlgebraic GeometryMathematical Physics14A20A simple proof of Witten conjecture through localizationtext