🌐EnglishEnglishDeutschEspañolFrançaisPortuguêsРусскийفارسی한국어中文日本語EntityQ5478310· pop 9· linked from 214 articlesLie bracket of vector fieldsoperator in differential topologyConnectionsmanifoldEntitydifferentiable manifoldEntityCategoriesBilinear mapsDifferential geometryDifferential topologyRiemannian geometry