REDUCTS OF STRUCTURES AND MAXIMAL-CLOSED PERMUTATION GROUPS
REDUCTS OF STRUCTURES AND MAXIMAL-CLOSED PERMUTATION GROUPS
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结构的约简和最大闭置换群
DOI:
10.1017/jsl.2015.78
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发表时间:
2016
期刊:
影响因子:
--
通讯作者:
BODIRSKY M
中科院分区:
文献类型:
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作者:
BODIRSKY M
Answering a question of Junker and Ziegler, we construct a countable first order structure which is not ω-categorical, but does not have any proper nontrivial reducts, in either of two senses (model-theoretic, and group-theoretic). We also construct a strongly minimal set which is not ω-categorical but has no proper nontrivial reducts in the model-theoretic sense.
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DOI:
--
发表时间:
1977
期刊:
影响因子:
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作者:
B. Mortimer
通讯作者:
B. Mortimer
DOI:
10.1016/0168-0072(95)00037-2
发表时间:
1996
期刊:
Ann. Pure Appl. Log.
影响因子:
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作者:
D. Macpherson;C. Steinhorn
通讯作者:
C. Steinhorn
DOI:
10.1090/mmono/117
发表时间:
1993
期刊:
Families in Society: The Journal of Contemporary Social Services
影响因子:
--
作者:
B. Zilber
通讯作者:
B. Zilber
影响因子:
0.8
作者:
S. Thomas
通讯作者:
S. Thomas
DOI:
--
发表时间:
1991
期刊:
Journal of Symbolic Logic (JSL)
影响因子:
--
作者:
S. Thomas
通讯作者:
S. Thomas