Quotients of L-domains

Quotients of L-domains
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L-结构域的商

DOI:
10.1016/j.jpaa.2021.106837
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发表时间:
2022
影响因子:
0.8
通讯作者:
Li Qingguo
Li Qingguo
中科院分区:
数学2区
文献类型:
--
作者:
Jin Mengjie;Li Qingguo

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众所周知,在保持非空子集和有向超的满射映射下的连续格T是有界完备域,T上的连续格和同余关系是T上的等价关系和T×T的子代数。本文提出了一些反例来说明这些结果在L-域上不成立。引入了L-整环之间的强同态和L-整环上的同余关系的概念。证明了在满足方程的有界有向非空子集的满射映射下,L整环的像是L整环。同时,我们得到了L整环的商。此外,我们还给出了L整环的同构定理。
It is well known that the image of a bounded complete domain, respectively a continuous lattice T under a surjective map preserving infs of nonempty subsets and directed sups is a bounded complete domain, respectively a continuous lattice and a congruence relation on T is an equivalence relation on T and a subalgebra of T× T. In this paper, we propose some counterexamples to explain that these results do not persist in L-domains. The concepts of strong homomorphisms among L-domains and congruence relation on L-domains are introduced. We prove that the image of an L-domain under a surjective map which preserves infs of nonempty subsets bounded above and directed sups and satisfies an equation is an L-domain. Meanwhile, we obtain the quotients of L-domains. Moreover, we give the Isomorphism Theorem for L-domains.
DOI: 10.1016/j.jpaa.2019.01.003
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