Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/14324
Title: Loose entry formulas and the reduction of dixon determinant entries
Authors: XIAO WEI
Keywords: Dixon Matrix, Loose Entry Formulas, Exposed Points, Extraneous Factors, Reduction of Dixon Determinant Entries, Sparse Resultant
Issue Date: 20-Oct-2004
Source: XIAO WEI (2004-10-20). Loose entry formulas and the reduction of dixon determinant entries. ScholarBank@NUS Repository.
Abstract: Recently there has been much effort in using the Dixon method toconstruct sparse resultants. In this thesis, we present new looseentry formulas for the Dixon matrix and introduce the concept ofexposed points for bidegree monomial supports. They combine toproduce important results: the rows and columns associated withexposed points have a very simple description, and rows andcolumns near exposed points can be greatly simplified. Theseresults provide useful information for the determination ofmaximal minors (numerators of the quotient sparse resultant) andexact information for the identification of extraneous factors(denominators of the quotient sparse resultant). In particular,for most corners with three exposed points, the thesis pinpointsthe rows or columns generating the expected extraneous factors.
URI: http://scholarbank.nus.edu.sg/handle/10635/14324
Appears in Collections:Master's Theses (Open)

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