2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/150077We consider the variant of Mirror Symmetry Conjecture for K3 surfaces which relates "geometry" of curves of a general member of a family of K3 with "algebraic functions" on the moduli of the mirror family. Lorentzian Kac--Moody algebras are involved in this construction. We give several examples when this conjecture is valid.15 pages, no figures, AMS-TeXAlgebraic GeometryHigh Energy Physics - TheoryQuantum Algebra14D20; 10D20; 17B65text