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Upper Bounds for the Regularity Index of Fat Points

โœ Scribed by N.V. Trung; G. Valla

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
958 KB
Volume
176
Category
Article
ISSN
0021-8693

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๐Ÿ“œ SIMILAR VOLUMES

Regularity Index of Fat Points in the Pr
Regularity Index of Fat Points in the Projective Plane
โœ G. Fatabbi ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 399 KB

In this paper we determine a new upper bound for the regularity index of fat points of \(P^{2}\), without requiring any geometric condition on the points. This bound is intermediate between Segre's bound, that holds for points in the general position, and the more general bound, that is attained whe

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Let X be the surface obtained by blowing up general points p 1 p n of the projective plane over an algebraically closed ground field k, and let L be the pullback to X of a line on the plane. If C is a rational curve on X with C โ€ข L = d, then for every t there is a natural map C C t โŠ— X X L โ†’ C C t +

Cramรฉrโ€“Rao bounds for three-point decomp
Cramรฉrโ€“Rao bounds for three-point decomposition of water and fat
โœ Angel R. Pineda; Scott B. Reeder; Zhifei Wen; Norbert J. Pelc ๐Ÿ“‚ Article ๐Ÿ“… 2005 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 901 KB

## Abstract The noise analysis for threeโ€point decomposition of water and fat was extended to account for the uncertainty in the field map. This generalization leads to a nonlinear estimation problem. The Crรกmerโ€“Rao bound (CRB) was used to study the variance of the estimates of the magnitude, phase