Partitioning Into Prescribed Number of Cycles and Mod k T-join With Slack. - Jordan Barrett; Salomon Bendayan; Yanjia Li; Bruce A. Reed (LAGOS, 2021)

Unconstrained traveling tournament problem is APX-complete. - Salomon Bendayan; Joseph Cheriyan; Kevin K. H. Cheung (Oper. Res. Lett., 2023)