The cardinality of bases in semilinear spaces over commutative semirings

The cardinality of bases in semilinear spaces over commutative semirings
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交换半环上半线性空间中的基数

DOI:
10.1016/j.laa.2014.06.049
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发表时间:
2014-10
影响因子:
1.1
通讯作者:
Wang, Xue-ping
Wang, Xue-ping
中科院分区:
数学3区
文献类型:
--
作者:
Shu, Qian-yu;Wang, Xue-ping

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This paper investigates the cardinality of a basis in semilinear spaces ofn-dimensional vectors over commutative semirings. It first discusses the cardinality of a basis and gives a necessary and sufficient condition that each basis has the same number of elements, which is then used to present the characterizations of bases, by the way, it obtains an equivalent description of an invertible matrix. It finally shows a necessary and sufficient condition that each basis has the same number of elements.
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