INTEGRAL RELATIONS FOR POINTED CURVES IN A REAL PROJECTIVE PLANE

被引：2

作者：

PIGNONI, R ^{[1
]}

机构：

[1] UNIV ROMA LA SAPIENZA,DIP MATEMAT GUIDO CASTELNUOVO,I-00185 ROME,ITALY

来源：

GEOMETRIAE DEDICATA | 1993年 / 45卷 / 03期

关键词：

D O I：

10.1007/BF01277967

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We study some global projective properties of real plane curves with cusps, beaks and normal crossings. Starting from Fabricius-Bjerre's formula on the singularities of a curve in an affine plane, we describe its extension to a projective setting. Given a curve gamma subset-of RP2, by fixing a base point we associate some indices to its singularities and double tangents. We prove two global relations linking these entities together.

引用

页码：263 / 287

页数：25

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