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The construction of orthodox super rpp semigroups
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Science China Mathematics 2004年 第4期47卷 552-565页
作者： He Yong Guo Yuqi Kar Ping Shum School of Computer Science Hunan University of Science&TechnologyXiangtan 411201China Department of Mathematics Southwest Normal UniversityChongqing 400715China Department of Mathematics Soochow UniversitySuzhou 215000China Faculty of Science The Chinese University of Hong KongShatinN.T.Hong KongChina
We define orthodox super rpp semigroups and study their semilattice decompositions. Standard representation theorem of orthodox super rpp semigroups whose subband of idempotents is in the varieties of bands described ... 详细信息
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Semirings which are unions of rings
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Science China Mathematics 2002年 第2期45卷 172-195页
作者： 郭聿琦 F.Pastijn Department of Mathematics Statistics and Computer Science Marquette University Milwaukee USA Department of Mathematics Yunnan University Kunming China
Semirings which are a disjoint union of rings form a variety S which contains the variety of all rings and the variety of all idempotent semirings, and in particular, the variety of distributive lattices. Various stru...
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The analyticity of abstract parabolic and correct systems
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Science China Mathematics 2002年 第7期45卷 859-865页
作者： 郑权 Department of Mathematics Huazhong University of Science and Technology Wuhan China
Let A be the matrix associated with an abstract parabolic system in the sense of Shilov or correct system in the sense of Petrovskii. We show that if the spectrum of its symbol is contained in a sector including some ...
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