BPS index and 4d N $$ \mathcal{N} $$ = 2 superconformal field theories
Crossref DOI link: https://doi.org/10.1007/JHEP07(2016)046
Published Online: 2016-07-11
Published Print: 2016-07
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Sakai, Kazuhiro