数学与计算机科学 |
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弱拉回平坦序S-系对序幺半群的刻画 |
梁星亮, 龙斌, 徐盼盼 |
陕西科技大学 文理学院,陕西 西安 710021 |
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Characterizarion of pomonoids by weakly pullback flat S-posets |
LIANG Xingliang, LONG Bin, XU Panpan |
School of Arts and Sciences, Shaanxi University of Science and Technology, Xi’an 710021, China |
1 HOWIEJ M. An Introduction to Semigroup Theory[M]. London :Academic Press, 1976. 2 LIUZ K, QIAOH S. The S-Act Theory of Semigroups[M]. Beijing: Science Press, 2008. 3 FAKHRUDDINS M. Absolute flatness and amalgams in pomonoids[J]. Semigroup Forum, 1986, 33(1): 15–22. DOI:10.1007/bf02573178 4 SHIX P, LIUZ K,WANGF G, et al. Indecomposable, projective, and po-flat S-posets[J]. Communications in Algebra, 2005, 33(1): 235–251. 5 SHIX P. Strongly flat and po-flat S-posets[J]. Communications in Algebra, 2005, 33(12): 4515–4531. 6 ERSHADM, KHOSRAVIR. On strongly flat and condition (P) S-posets[J]. Semigroup Forum, 2011, 82(3): 530–541. DOI:10.1007/s00233-010-9283-5 7 ZHAOM M. Weakly pullback flatness of S-posets and the homological classification [J]. Journal of Shandong University( Natural Science), 2015, 50(6): 64–68. 8 BULMAN-FLEMINGS, GUTERMUTHD, GILMOURA, et al. Flatness properties of S-posets[J]. Communications in Algebra, 2006, 34(4): 1291–1317. 9 BAILEYA, RENSHAWJ H. Covers of acts over monoids and pure epimorphisms[J]. Proceedings of the Edinburgh Mathematical Society, 2014, 57(3): 589–617. DOI:10.1017/s0013091513000618 10 KHOSRAVIR. On direct products of S-posets satisfying flatness properties[J]. Turkish Journal of Mathematics, 2014, 38: 79–86.DOI:10.3906/mat-1210-35 11 KILPM, LAANV. On flatness properties of cyclic acts[J]. Communications in Algebra, 2000, 28(6): 2919–2926. DOI:10.1080/00927870008827000 |
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