EntityQ444054· pop 7· linked from 18 articlesWitt algebraSign in to saveone of basic infinite-dimensional Lie algebrasConnectionsmathematicsEntityWayback MachineEntitydigital object identifierEntitystring theoryEntityvector fieldEntitybasisEntityÉlie CartanEntityRiemann sphereEntityLie algebraEntityEncyclopedia of MathematicsEntityLorentz groupEntityEuropean Mathematical SocietyEntityHeisenberg groupEntityVirasoro algebraEntityLie derivativeEntityErnst WittEntitygroup extensionEntitySL2(R)EntitysubalgebraEntitycomplexificationEntityCategoriesConformal field theoryLie algebras