| 偏序集拟阵间的PO映射和开映射 |
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| 引用本文： | 贺建旗. 偏序集拟阵间的PO映射和开映射[J]. 哈尔滨师范大学自然科学学报, 2012, 28(1): 28-31 |
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| 作者姓名： | 贺建旗 |
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| 作者单位： | 延安中学 |
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| 基金项目： | 陕西省教育厅专项科研计划项目 |
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| 摘 要： | 定义了偏序集拟阵间的PO映射,讨论了它与偏序集拟阵间开映射的关系,最后给出了一个映射是PO映射的充分条件.
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| 关 键 词： | 偏序集拟阵 闭包算子 PO映射 开映射 |
PO Mapping and Open Mapping between Poest Matroids |
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| He Jianqi. PO Mapping and Open Mapping between Poest Matroids[J]. Natural Science Journal of Harbin Normal University, 2012, 28(1): 28-31 |
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| Authors: | He Jianqi |
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| Abstract: | In this paper, the concept of PO mapping in poset matroids is defined, and the relationship between PO mappings and open mappings is discussed. Finally a sufficient condition is given for a mapping to be a PO mapping. |
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| Keywords: | Poset matroids PO mapping Open mapping |
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