• Thomas Y. He, Kathy Q. Ji and Alice X.H. Zhao, Overpartitions and Bressoud's conjecture, I, Adv. Math. 404 (2022), Paper No. 108449, 81 pp.
• Kathy Q. Ji and Wenston J. T. Zang, Unimodality of the Andrews-Garvan-Dyson cranks of partitions, Adv. Math. 393 (2021) 108053.
• William Y.C. Chen, Kathy Q. Ji, and Wenston J.T. Zang, The spt-crank for ordinary partitions, J. Reine Angew. Math. 711 (2016) 231-249.
• William Y.C. Chen, Kathy Q. Ji, and Wenston J.T. Zang, Proof of the Andrews-Dyson-Rhoades conjecture on the spt-crank, Adv. Math. 270 (2015) 60-96.
• Kathy Q. Ji, Thecombinatorics of k-marked Durfee symbols, Trans. Amer. Math. Soc. 363 (2011) 987-1005.
• Guo-Niu Han and Kathy Q. Ji, Combining hook length formulas and BG-ranks for partitions via the Littlewood decomposition, Trans. Amer. Math. Soc. 363 (2011) 1041-1060.
• William Y. C. Chen and Kathy Q. Ji, Weighted forms of Euler’s theorem, J. Combin. Theory A 114 (2007) 360-372.