EntityQ673253· pop 32· linked from 255 articlesEinstein notationSign in to saveshorthand notation for tensor operationsConnectionsdifferential formEntityfree and bound variablesEntityRicci calculusEntitylinear mapEntitybasisEntitycovariance and contravariance of vectorsEntityabstract index notationEntitymathematicsEntityAlbert EinsteinPersonphysicsEntityCarl Friedrich GaussEntityLeonhard EulerEntityengineeringEntityGreek alphabetEntityadditionEntitylinear algebraEntitygeneral relativityEntitymathematicianEntityelectromagnetismEntitysetEntityCategoriesAlbert EinsteinMathematical notationMathematical physicsMultilinear algebraRiemannian geometryTensors