Injective hulls for ordered algebras (vol 76, pg 339, 2016)

被引：0
|
作者：
Zhang, Xia [1 ]
Laan, Valdis [2 ]
Feng, Jianjun [1 ]
Reimaa, Ulo [2 ]
机构：
[1] South China Normal Univ, Sch Math Sci, Guangzhou 510631, Peoples R China
[2] Univ Tartu, Inst Math & Stat, EE-51009 Tartu, Estonia
来源：
ALGEBRA UNIVERSALIS | 2021年 / 82卷 / 04期
关键词：
Ordered algebra; Injective hull; Linear function; Closure operator;
D O I：
10.1007/s00012-021-00749-y
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We show that Lemma 4.4 and Theorem 4.5 in [Zhang, X., Laan, V., Injective hulls for ordered algebras, Algebra Universalis, 76 (2016), 339-349] are incorrect. These results can be corrected by replacing unary polynomial functions by linear functions.
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