“…For the latter, they show the problem is weakly NP-hard. For recent works with two-agent settings, the reader may refer to Cheng (2012), Cheng et al (2013), Elvikis and Kindt (2014), Mosheiov (2013, 2014), Yin et al (2012aYin et al ( , b, c, 2013a and Wu et al (2013Wu et al ( , 2014a, etc. For more other details with multiagent scheduling issues, the reader may refer to the book by Agnetis et al (2014).…”