2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63112Recently, there is an explosive growth of activities to understand stringy properties of orbifolds. In this article, we survey some of recent developments.A survery article written for the Proceedings of Workshop on Mathematical Aspect of Orbifold String TheoryAlgebraic GeometryHigh Energy Physics - TheoryAlgebraic TopologyDifferential GeometrySymplectic Geometrytext