PEI-MING HO2018-09-102018-09-101996-01http://inspirehep.net/record/433948http://scholars.lib.ntu.edu.tw/handle/123456789/323081Riemannian geometry on quantum spacesjournal article10.1142/S0217751X970006942-s2.0-0001445606WOS:A1997WE16300006