2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/89945In this note, a non-commutative analogue of the fundamental theorem of asset pricing in mathematical finance is proved.Latex, 8 pages; submitted to Acta Math.SciQuantum PhysicsFunctional AnalysisProbabilityA Non-commutative Version of the Fundamental Theorem of Asset Pricingtext