Chen, H.-Y.H.-Y.ChenHENG-YU CHEN2019-12-202019-12-202014https://scholars.lib.ntu.edu.tw/handle/123456789/436923Heterotic surface defects and dualities from 2d/4d indicesjournal article10.1007/JHEP10(2014)0042-s2.0-84928538137https://www.scopus.com/inward/record.uri?eid=2-s2.0-84928538137&doi=10.1007%2fJHEP10%282014%29004&partnerID=40&md5=e5707e45de06dc6cf520ef024be5881e