EntityQ5659257· pop 5· linked from 42 articlesharmonic mapSign in to savesmooth map that is a critical point of the Dirichlet energy functionalConnectionsMikhail GromovEntityInternational Standard Book NumberEntitylinear algebraEntitydigital object identifierEntitymatrixEntityInternational Standard Serial NumberEntitytheoretical physicsEntityquantum field theoryEntitydifferential geometryEntityEuclidean spaceEntityJSTOREntitygradientEntitymetric spaceEntityQ118398Entitypartial differential equationEntityKaren UhlenbeckEntityCambridge University PressEntityif and only ifEntityholomorphic functionEntitymeasureEntityCategoriesAnalytic functionsHarmonic functionsRiemannian geometry