On the Implicit Equation of Conics and Quadrics Offsets

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 28 Jul 2021 Spain English Publisher:MDPI AGJournal:Mathematics, volume 9, page 1,784 (eissn: 2227-7390,

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Authors: Jorge Caravantes; Gema M. Diaz-Toca; Mario Fioravanti; Laureano Gonzalez-Vega;

doi: 10.3390/math9151784

handle: 10902/24540 , 10201/138186

On the Implicit Equation of Conics and Quadrics Offsets

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Abstract

A new determinantal representation for the implicit equation of offsets to conics and quadrics is derived. It is simple, free of extraneous components and provides a very compact expanded form, these representations being very useful when dealing with geometric queries about offsets such as point positioning or solving intersection purposes. It is based on several classical results in “A Treatise on the Analytic Geometry of Three Dimensions” by G. Salmon for offsets to non-degenerate conics and central quadrics.

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Spain

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Keywords

discriminant, Conics and quadrics, Implicit equations, conics and quadrics, Offsets, offsets, QA1-939, implicit equations, Mathematics, Discriminant

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