Portugaliæ Mathematica   EMIS ELibM Electronic Journals PORTUGALIAE
Vol. 51, No. 3, pp. 363-373 (1994)

Previous Article

Next Article

Contents of this Issue

Other Issues

ELibM Journals

ELibM Home



On the Center of the Fundamental Group of the Complement of a Hyperplane Arrangement

Raul Cordovil

Dep. de Matemática, I.S.T. and C.M.A.F.-U.L.,
Av. Prof. Gama Pinto, 2, 1699 Lisboa Codex - PORTUGAL

Abstract: Let ${\cal A}$ be a simplicial hyperplane arrangement in ${{\bf R}^d}$. We prove that the center of the fundamental group of the manifold ${\bf C}^d\backslash\bigcup\{{H\otimes {\bf C}}: H\in {\cal A\}}$ is a direct product of infinite cyclic subgroups.

Classification (MSC2000): 55P20; 05B35

Full text of the article:

Electronic version published on: 29 Mar 2001. This page was last modified: 27 Nov 2007.

© 1994 Sociedade Portuguesa de Matemática
© 1994–2007 ELibM and FIZ Karlsruhe / Zentralblatt MATH for the EMIS Electronic Edition