2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63284Algebras with identity $(a\star b)\star (c\star d) -(a\star d)\star(c\star b)$ $=(a,b,c)\star d-(a,d,c)\star b$ are studied. Novikov algebras under Jordan multiplication and Leibniz dual algebras satisfy this identity. If algebra with such identity has unit, then it is associative and commutative.30 pages, LaTeXRings and AlgebrasMathematical PhysicsQuantum Algebra17c50Novikov-Jordan algebrastext