Gauss-Manin connections for arrangements, IV. Nonresonant eigenvalues
Author(s) -
Daniel C. Cohen,
Peter Orlik
Publication year - 2006
Publication title -
commentarii mathematici helvetici
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.603
H-Index - 46
eISSN - 1420-8946
pISSN - 0010-2571
DOI - 10.4171/cmh/79
Subject(s) - mathematics , hyperplane , complement (music) , connection (principal bundle) , eigenvalues and eigenvectors , affine space , rank (graph theory) , pure mathematics , affine transformation , moduli space , cohomology , endomorphism , finite set , gauss , combinatorics , algebra over a field , discrete mathematics , mathematical analysis , geometry , biochemistry , chemistry , physics , quantum mechanics , complementation , gene , phenotype
An arrangement is a finite set of hyperplanes in a finite dimensional complex affine space. A complex rank one local system on the arrangement complement is determined by a set of complex weights for the hyperplanes. We study the Gauss-Manin connection for the moduli space of arrangements of fixed combinatorial type in the cohomology of the complement with coefficients in the local system determined by the weights. For nonresonant weights, we solve the eigenvalue problem for the endomorphisms arising in the $1$-form associated to the Gauss-Manin connection
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