م مقاله کنفرانسی سال ۱۴۰۱ ۲۳۶ مشاهده Harmonic Metrics On Pseudo-Riemannian Homogeneous Spaces In this paper, first we mention the definition of harmonic mappings and then we study the harmonicity co… Pseudo-Riemannian manifoldsinvariant metricsnon-trivial isotropy