@article{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",
  journal = "PoS",
  year = 2022,
  volume = "CORFU2021",
  pages = "254"
}