Embeddings of U3 (8), Sz (8) and the Rudvalis group in algebraic groups of type E7.
Robert L. Jr. Griess, A.J.E. Ryba (1994)
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Robert L. Jr. Griess, A.J.E. Ryba (1994)
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Michishige Tezuka (1994)
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Guido Mislin, E.M. Friedlander (1984)
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Soogil Seo (2005)
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Stephen A. Mitchell (1996)
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We show that the second group of cohomology with compact supports is nontrivial for three-dimensional systolic pseudomanifolds. It follows that groups acting geometrically on such spaces are not Poincaré duality groups.
Fabien Napolitano (2003)
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A bipolynomial is a holomorphic mapping of a sphere onto a sphere such that some point on the target sphere has exactly two preimages. The topological invariants of spaces of bipolynomials without multiple roots are connected with characteristic classes of rational functions with two poles and generalized braid groups associated to extended affine Weyl groups of the serie . We prove that the cohomology rings of the spaces of bipolynomials of bidegree stabilize as tends to infinity...