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Physical Sciences and Mathematics Commons

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Mathematics

Mathematics Theses

2009

Primary decomposition

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Full-Text Articles in Physical Sciences and Mathematics

Primary Decomposition And Secondary Representation Of Modules Over A Commutative Ring, Muslim Baig Apr 2009

Primary Decomposition And Secondary Representation Of Modules Over A Commutative Ring, Muslim Baig

Mathematics Theses

This paper presents the theory of Secondary Representation of modules over a commutative ring and their Attached Primes; introduced in 1973 by I. MacDonald as a dual to the important theory of associated primes and primary decomposition in commutative algebra. The paper explores many of the basic aspects of the theory of primary decomposition and associated primes of modules in the hopes to delineate and motivate the construction of a secondary representation, when possible. The thesis discusses the results of the uniqueness of representable modules and their attached primes, and, in particular, the existence of a secondary representation for Artinian …


Primary Decomposition In Non Finitely Generated Modules, Somaya Muiny Apr 2009

Primary Decomposition In Non Finitely Generated Modules, Somaya Muiny

Mathematics Theses

In this paper, we study primary decomposition of any proper submodule N of a module M over a noetherian ring R. We start by briefly discussing basic facts about the very well known case where M is a finitely generated module over a Noetherian ring R, then we proceed to discuss the general case where M is any module over a Noetherian ring R. We put a lot of focus on the associated primes that occur with the primary decomposition, essentially studying their uniqueness and their relation to the associated primes of M/N.