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The integer cohomology of toric Weyl arrangements

Simona Settepanella
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 TfW is the toric arrangement defined by the cocharacters lattice of a Weyl group fW, then the integer cohomology of its complement is torsion free. -- Arrangement of hyperplanes ; toric arrangements ; CW complexes ; Salvetti complex ; Weyl groups ; integer cohomology
Year of publication:
2010
Authors: Settepanella, Simona
Publisher: Pisa : Laboratory of Economics and Management, Sant'Anna School of Advanced Studies
Subject: Mathematische Optimierung | Mathematical programming | Luftfahrzeug | Aircraft | Luftfahrttechnik | Aerospace engineering
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