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Discrete subgroups, Bruhat-Tits buildings, and homotopy invariance of higher signatures. (Russian) Zbl 0335.57020

MSC:
57R65 Surgery and handlebodies
20F34 Fundamental groups and their automorphisms (group-theoretic aspects)
55R40 Homology of classifying spaces and characteristic classes in algebraic topology
55R50 Stable classes of vector space bundles in algebraic topology and relations to \(K\)-theory
55R60 Microbundles and block bundles in algebraic topology
57R20 Characteristic classes and numbers in differential topology
47A53 (Semi-) Fredholm operators; index theories
58J20 Index theory and related fixed-point theorems on manifolds
55P15 Classification of homotopy type
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