@inproceedings{Fukuma:20227m,
  author = "Fukuma, Masafumi  and  Matsumoto, Nobuyuki  and  Namekawa, Yusuke",
  title = "{Numerical sign problem and the tempered Lefschetz thimble method}",
  doi = "10.22323/1.406.0254",
  booktitle = "Proceedings of Corfu Summer Institute 2021 "School and Workshops on Elementary Particle Physics and Gravity" {\textemdash} PoS(CORFU2021)",
  year = 2022,
  volume = "406",
  pages = "254"
}