JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2022, Vol. 57 ›› Issue (6): 31-35.doi: 10.6040/j.issn.1671-9352.0.2021.523
WANG Ya-ting, QIAO Hu-sheng*
CLC Number:
[1] 刘仲奎, 乔虎生. 半群的S-系理论[M]. 北京: 科学出版社, 2008. LIU Zhongkui, QIAO Husheng. The S-act theory of semigroups[M]. Beijing: Science Press, 2008. [2] 乔虎生, 刘仲奎. 半群引论[M]. 北京: 科学出版社, 2019. QIAO Husheng, LIU Zhongkui. An introduction to semigroups[M]. Beijing: Science Press, 2019. [3] BULMAN-FLEMING S. Flat and strongly flat S-systems[J]. Communications in Algebra, 1992, 20(9):2553-2567. [4] KHANJANZADEH Z, MADANSHEKAF A. Weak ideal topology in the topos of right acts over a monoid[J]. Communications in Algebra, 2018, 46(5):1868-1888. [5] 乔虎生, 石学勤. 弱挠自由Rees商序S-系的同调分类[J]. 山东大学学报(理学版), 2018, 53(8):49-52. QIAO Husheng, SHI Xueqin. On homological classification of weakly torsion free Rees factor S-posets[J]. Journal of Shandong University(Natural Science), 2018, 53(8):49-52. [6] LAAN V. When torsion free acts are principally weakly flat[J]. Semigroup Forum, 2000, 60(2):321-325. |
[1] | LI Yuan, YAO Hai-lou. On torsion free class and cover class in category of comodules [J]. JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE), 2020, 55(8): 1-5. |
[2] | QIAO Hu-sheng, SHI Xue-qin. On homological classification of weakly torsion free Rees factor S-posets [J]. JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE), 2018, 53(8): 49-52. |
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