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基于完备IMTL代数的L模糊粗糙集

L-fuzzy Rough Set Based on Complete IMTL-algebra
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摘要 IMTL代数是一类重要的非经典逻辑代数,基于IMTL代数的L模糊粗糙集可以刻画信息系统中具有不完备性、模糊性与不可比较性的信息。本文讨论了基于完备IMTL代数的L模糊粗糙集的表示定理,还讨论了此种L模糊粗糙集的上下近似算子的性质以及近似算子的公理化定义方法。 IMTL-algebra is an important non-classical logic algebra. L-fuzzy rough set based on IMTL- algebra can describe the information with incompleteness, fuzziness and uncomparativity in information system. In this paper, we discuss the representation theorems of L-fuzzy rough sets based on IMTL- algebra and the properties and axiomatic approach of the lower and upper approximation operators in L-fuzzy rough sets.
出处 《模糊系统与数学》 CSCD 北大核心 2008年第3期156-159,共4页 Fuzzy Systems and Mathematics
基金 国家自然科学基金资助项目(60474022) 高等学校博士学科点专项科研基金资助项目(20060613007)
关键词 IMTL代数 L模糊粗糙集 近似算子 IMTL-algebra L-fuzzy Rough Set Approximation Operator
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参考文献9

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