以下の論文が，Theoretical Computer Science に採択されました．

• Yuichi Asahiro (Kyushu Sangyo Univ), Hiroshi Eto (Kyushu Univ), Tesshu Hanaka (Nagoya Univ), Guohui Lin (Univ of Alberta), Eiji Miyano (Kyutech), Ippei Terabaru (Kyutech). Complexity and approximability of the happy set problem. Theoretical Computer Science, Vol.866, pp.123-144 (April 18, 2021). DOI:10.1016/j.tcs.2021.03.023