@inproceedings{Kashiwa:20169M, author = "Kashiwa, Kouji", title = "{Topological feature and phase diagram of QCD at complex chemical potential}", doi = "10.22323/1.251.0151", booktitle = "Proceedings of The 33rd International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE 2015)", year = 2016, volume = "251", pages = "151" }