Nous donnons la structure cohomologique des arrangements hypersphériques. Les connexions de Gauss-Manin pour les intégrales hypergéométriques associées sont données en termes de formes invariantes. Elles sont utilisées pour obtenir la formule explicite du volume d'un simplexe dont les faces sont hypersphériques.
The cohomological structure of hypersphere arragnements is given. The Gauss-Manin connections for related hypergeometrtic integrals are given in terms of invariant forms. They are used to get the explicit differential formula for the volume of a simplex whose faces are hyperspheres.
@article{AIF_2003__53_4_977_0, author = {Aomoto, Kazuhiko}, title = {Gauss-Manin connections of Schl\"afli type for hypersphere arrangements}, journal = {Annales de l'Institut Fourier}, volume = {53}, year = {2003}, pages = {977-995}, doi = {10.5802/aif.1970}, mrnumber = {2033506}, zbl = {1087.32013}, language = {en}, url = {http://dml.mathdoc.fr/item/AIF_2003__53_4_977_0} }
Aomoto, Kazuhiko. Gauss-Manin connections of Schläfli type for hypersphere arrangements. Annales de l'Institut Fourier, Tome 53 (2003) pp. 977-995. doi : 10.5802/aif.1970. http://gdmltest.u-ga.fr/item/AIF_2003__53_4_977_0/
[1] Configurations and invariant Gauss-Manin connections of integrals I, Tokyo J. of Math., Tome 5 (1982), pp. 249-287 | Article | MR 688126 | Zbl 0576.32017
[1] Configurations and invariant Gauss-Manin connections of integrals. II., Tokyo J. of Math., Tome 6 (1983), pp. 1-24 | Article | MR 707836 | Zbl 0576.32017
[2] Vanishing of certain 1-form attached to a configuration, Tokyo J. of Math, Tome 9 (1986), pp. 453-455 | Article | MR 875200
[3] Errata to "Configurations and invariant Gauss-Manin connections of integrals. I", Tokyo J. of Math, Tome 22 (1999), p. 511-512 | MR 1727748 | Zbl 0941.32008
[4] Hyperlogarithmic expansion and the volume of a hyperbolic Simplex, Partial Differential Equations, Banach Center Publications, Tome 27 (1992), pp. 9-21 | Zbl 0797.33008
[5] Twisted de Rham cohomology groups of logarithmic forms, Adv. in Math, Tome 128 (1997), pp. 119-152 | Article | MR 1451421 | Zbl 0905.14010
[6] Gauss-Manin connections for arrangements, II nonresonant weights (2002) (preprint) | MR 2141645 | Zbl 1078.32018
[7] The Poincaré series of the algebra of rational functions which are regular outside hyperplanes (2002) (preprint, March) | MR 1994536 | Zbl 1084.13501
[8] On the homology of complements of arrangements of subspaces and spheres, Proc. Amer. Math. Soc, Tome 122 (1994), pp. 285-290 | Article | MR 1204377 | Zbl 0810.57017
[9] Arrangements and Hypergeometric Integrals, MSJ memoirs (2001) no. 9 | MR 1814008 | Zbl 0980.32010
[10] Commutative algebras for arrangements, Nagoya Math. J, Tome 134 (1994), pp. 65-73 | MR 1280653 | Zbl 0801.05019
[11] Introduction à l'Etude Topologique des Singularités de Landau, Gauthiers Villars (1967) | MR 229263 | Zbl 0157.27503
[12] On the comparison theorem for elementary irregular -modules, Nagoya Math. J, Tome 141 (1996), pp. 107-124 | MR 1383794 | Zbl 0858.32013
[13] Moduli space of combinatorially equivalent arrangements of hyperplanes and logarithmic Gauss-Manin connections, Topology and its Appl., Tome 118 (2002), pp. 255-274 | Article | MR 1877728 | Zbl 1020.52020
[14] Algebras generated by reciprocals of linear forms, J. of Algebra, Tome 250 (2002), pp. 549-558 | Article | MR 1899865 | Zbl 1049.13011
[15] Hypergeometric Functions, Vieweg Verlag, My Love (1997) | Zbl 0889.33008