Zhang, Shaopu; Ji, Lijun; Song, Guojie Some new infinite classes of candelabra quadruple systems. (English) Zbl 1336.05017 J. Comb. Des. 24, No. 1, 5-20 (2016). MSC: 05B05 PDFBibTeX XMLCite \textit{S. Zhang} et al., J. Comb. Des. 24, No. 1, 5--20 (2016; Zbl 1336.05017) Full Text: DOI
Ji, Lijun; Dong, Zhengwu Existence of optimal strong partially balanced 3-designs with block size four. (English) Zbl 1336.05029 Des. Codes Cryptography 79, No. 1, 19-36 (2016). Reviewer: Charles J. Colbourn (Tempe) MSC: 05B30 05B05 94C30 PDFBibTeX XMLCite \textit{L. Ji} and \textit{Z. Dong}, Des. Codes Cryptography 79, No. 1, 19--36 (2016; Zbl 1336.05029) Full Text: DOI
Bao, Jingjun; Ji, Lijun The completion determination of optimal \((3,4)\)-packings. (English) Zbl 1328.05031 Des. Codes Cryptography 77, No. 1, 217-229 (2015). Reviewer: Esther R. Lamken (San Francisco) MSC: 05B30 05B05 94C30 PDFBibTeX XMLCite \textit{J. Bao} and \textit{L. Ji}, Des. Codes Cryptography 77, No. 1, 217--229 (2015; Zbl 1328.05031) Full Text: DOI arXiv
Ji, Lijun; Wei, R. The spectrum of 2-idempotent 3-quasigroups with conjugate invariant subgroups. (English) Zbl 1203.20069 J. Comb. Des. 18, No. 4, 292-304 (2010). MSC: 20N10 05B15 05B05 05B07 PDFBibTeX XMLCite \textit{L. Ji} and \textit{R. Wei}, J. Comb. Des. 18, No. 4, 292--304 (2010; Zbl 1203.20069) Full Text: DOI
Meng, Zhaoping; Ji, Lijun; Du, Beiliang The existence of augmented resolvable Steiner quadruple systems. (English) Zbl 1231.05051 Discrete Math. 310, No. 13-14, 2007-2020 (2010). MSC: 05B30 05B07 PDFBibTeX XMLCite \textit{Z. Meng} et al., Discrete Math. 310, No. 13--14, 2007--2020 (2010; Zbl 1231.05051) Full Text: DOI
Ji, L. A new existence proof for large sets of disjoint Steiner triple systems. (English) Zbl 1079.05012 J. Comb. Theory, Ser. A 112, No. 2, 308-327 (2005). Reviewer: D. V. Chopra (Wichita) MSC: 05B07 PDFBibTeX XMLCite \textit{L. Ji}, J. Comb. Theory, Ser. A 112, No. 2, 308--327 (2005; Zbl 1079.05012) Full Text: DOI