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Two star-operations and their induced lattices

 

作者: D.D. Anderson,   S.J. Cook,  

 

期刊: Communications in Algebra  (Taylor Available online 2000)
卷期: Volume 28, issue 5  

页码: 2461-2475

 

ISSN:0092-7872

 

年代: 2000

 

DOI:10.1080/00927870008826970

 

出版商: Gordon and Breach Science Publishers Ltd.

 

数据来源: Taylor

 

摘要:

LetDbe an integral domain with quotient fieldK, let (F(D) (f(D)) be the set of nonzero (finitely generated) fractional ideals ofD, and let ★ be a star-operation onF(D).ForA ∈ F(D) andthere existsJ∈f(D)such thatJ★=D, andxJ⊆A}.ThenA★w= {x ∈K| existsJ ∈ f(D) such thatJ★=D, and xJ⊆A}. Thenand ★ware star-operations onF(D)that satisfy. Moreover,is the greatest (finite character) star-operation Δ ≤ ★ with (A∩B)Δ=AΔ∩BΔ.We also show that ★w-Max(D)= ★s-Max(D) andA★w=∩{AP|P∈★s-Max(D)}.LetL★w(D) = {A|Ais an integral ★w-ideal}∪{0}. ThenL★w(D) forms anr-lattice. IfDsatisfiesACCon integral ★w-ideals,L*w(D) is a Noether lattice and hence primary decomposition, the Krull intersection theorem, and the principal ideal theorem hold for *w-ideals ofD. For the case of ★=υ,★wis thew-operation introduced by Wang Fanggui and R.L. McCasland.

 

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