Graph Classes and Approximability of the Happy Set Problem. - Yuichi Asahiro; Hiroshi Eto; Tesshu Hanaka; Guohui Lin; Eiji Miyano; Ippei Terabaru (COCOON, 2020)

Parameterized algorithms for the Happy Set problem. - Yuichi Asahiro; Hiroshi Eto; Tesshu Hanaka; Guohui Lin; Eiji Miyano; Ippei Terabaru (Discret. Appl. Math., 2021)

Complexity and approximability of the happy set problem. - Yuichi Asahiro; Hiroshi Eto; Tesshu Hanaka; Guohui Lin; Eiji Miyano; Ippei Terabaru (Theor. Comput. Sci., 2021)

Corrigendum to "Complexity and approximability of the happy set problem" [Theor. Comput. Sci. 866 (2021) 123-144]. - Yuichi Asahiro; Hiroshi Eto; Tesshu Hanaka; Guohui Lin; Eiji Miyano; Ippei Terabaru (Theor. Comput. Sci., 2023)