Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/89568 
Year of Publication: 
2010
Series/Report no.: 
LEM Working Paper Series No. 2010/17
Publisher: 
Scuola Superiore Sant'Anna, Laboratory of Economics and Management (LEM), Pisa
Abstract: 
A toric arrangement is a finite set of hypersurfaces in a complex torus, every hypersurface being the kernel of a character. In the present paper we prove that if TW is the toric arrangement defined by the cocharacters lattice of a Weyl group W, then the integer cohomology of its complement is torsion free.
Subjects: 
arrangement of hyperplanes
toric arrangements
CW complexes
Salvetti complex
Weyl groups
integer cohomology
Document Type: 
Working Paper

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