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Title: Stanley Decompositions and Localization
Authors: Nasir, Sumiya
Keywords: Natural Sciences
General principles of mathematics
Issue Date: 2005
Publisher: GC University Lahore, Pakistan
Abstract: In Chapter 1, some basic definitions and results from commutative algebra are given. In Chapter 2, we study the behavior of Stanley decompositions under the opera- tion of localization with respect to a variable. We prove how prime filtrations behave under localization. We observe that pretty clean filtrations under localization are still pretty clean filtrations. In Chapter 3, we introduce the concept of Stanley decompositions in the local- ized polynomial ring Sf where f is a product of variable, and show that Sf has a canonical Stanley decomposition and that the Stanley depth does not decrease upon localization. Furthermore it is shown that for monomial ideals J ⊂ I ⊂ Sf , the number of maximal Stanley spaces in a Stanley decomposition of I/J is an invariant of I/J. We also introduce the Hilbert series of Zn -graded K-vector space.
Appears in Collections:PhD Thesis of All Public / Private Sector Universities / DAIs.

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