Download Algebraic Geometry and Geometric Modeling (Mathematics and by Mohamed Elkadi (Editor), Bernard Mourrain (Editor), Ragni PDF

By Mohamed Elkadi (Editor), Bernard Mourrain (Editor), Ragni Piene (Editor)

This publication spans the gap among algebraic descriptions of geometric items and the rendering of electronic geometric shapes in line with algebraic types. those contrasting issues of view encourage a radical research of the major demanding situations and the way they're met. The articles specialise in very important periods of difficulties: implicitization, category, and intersection. Combining illustrative photographs, computations and evaluate articles this publication is helping the reader achieve a company useful seize of those topics.

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Algebraic Geometry and Geometric Modeling (Mathematics and Visualization)

This ebook spans the space among algebraic descriptions of geometric items and the rendering of electronic geometric shapes according to algebraic versions. those contrasting issues of view motivate a radical research of the most important demanding situations and the way they're met. The articles specialise in very important sessions of difficulties: implicitization, category, and intersection.

Extra info for Algebraic Geometry and Geometric Modeling (Mathematics and Visualization)

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With a view toward algebraic geometry. Graduate Texts in Mathematics 150. Springer-Verlag, New York, 1995. 12. W. Fulton. Intersection theory. Second edition. Ergebnisse der Mathematik und ihrer Grenzgebiete 3. Springer-Verlag, Berlin, 1998. 13. I. M. Gel’fand, M. Kapranov, A. Zelevinsky. Discriminants, resultants, and multidimensional determinants. Mathematics: Theory & Applications. , Boston, MA, 1994. 14. D. Grayson, M. Stillman. Macaulay 2. edu/Macaulay2/). 15. R. Hartshorne. Algebraic geometry.

And Goldman, R. (2000), On the validity of implicitization by moving quadrics for rational surfaces with no base points, Journal of Symbolic Computation, Vol. 29, pp. 419-440. 17. D’Andrea, C. and Dickenstein, A. (2001), Explicit formulas for the multivariate resultant, Jour. Pure Appl. Algebra, Vol. 164, pp. 59-86. 18. Davis, P. and Hersh, R. (1986). Descartes’ Dream: The World According to Mathematics, Harcourt Brace Jovanovich, San Diego. 19. Dixon, A. (1908), The eliminant of three quantics in two independent variables, Proc.

On the computational side, the degrees of generators of a Gr¨ obner basis of the ideal for the degree-reverse-lex order, under a quite weak conditions on the coordinates, is bounded by reg(I). This is another way of understanding the regularity as a measure of the complexity of the ideal. The Koszul complex [11, §17] — Let x = (x1 , . . , xr ) be a r-tuple of elements in a ring A. ei1 ∧ · · · ∧ eip −→ g. (−1)j+1 xij ei1 ∧ · · · ∧eij · · · ∧ eip . j=1 We set Zp (x; A) := ker(dp ) and Hp (x; A) := Zp (x; A)/im(dp+1 ).

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