03429nam 2200589 450 991078878350332120220901061521.00-8218-7629-5(CKB)3240000000069569(EBL)3112868(SSID)ssj0001052903(PQKBManifestationID)11669326(PQKBTitleCode)TC0001052903(PQKBWorkID)11113834(PQKB)11578310(MiAaPQ)EBC3112868(WaSeSS)Ind00039511(RPAM)1442134(PPN)197103618(EXLCZ)99324000000006956919850516h19851985 uy| 0engur|n|---|||||txtccrCombinatorial methods in topology and algebraic geometry /John R. Harper and Richard Mandelbaum, editorsProvidence, Rhode Island :American Mathematical Society,[1985]©19851 online resource (370 p.)Contemporary mathematics,0271-4132 ;440271-4132Description based upon print version of record.0-8218-5039-3 Includes bibliographical references.Table of Contents -- Introduction -- Plenary lectures -- List of participants -- Topology and Combinatorial Group Theory -- Collapses of K X I and Group Presentations -- On the Andrews-Curtis-Conjecture and related problems -- Integral representations of Aut Fn and presentation classes of groups -- A note on commutators and squares in free products -- Rigidity of almost crystallographic groups -- Finite graphs and free groups -- A topological proof of a theorem of Brunner and Burns about M. Hall groups -- Knot Theory -- The Murasugi sum is a natural geometric operation II -- The Arf Invariant of classical knots -- The unknotting number of a classical knot -- A general position theorem for surfaces in Euclidean 4-space -- 3-Manifolds -- On the equivariant Dehn lemma -- Virtually Haken manifolds -- Lectures on 3-fold simple coverings and 3-manifolds -- The Witt classes of Seifert manifolds -- Outermost forks and a theorem of Jaco -- Surfaces in 3-manifolds -- Homotopy Theory And Infinite Dimensional Topology -- Taming Hopf invariants -- Artin's braid groups and classical homotopy theory -- More compacta of infinite cohomological dimension -- Endomorphisms in the homotopy category -- Four Manifolds and Algebraic Surfaces -- On fake [S3 x S' #S2 x S2] -- Manifolds having non-ample Norman bundles in quadrices -- Lefschetz fibrations of Riemann surfaces and decompositions of complex elliptic surfaces -- Algebraic surfaces and the arithmetic of braids, II -- A note on moves and on irregular coverings of S4.Contemporary mathematics (American Mathematical Society).440271-4132Combinatorial topologyGeometry, AlgebraicCombinatorial analysisCombinatorial topology.Geometry, Algebraic.Combinatorial analysis.514/.22Harper John R.1941-Mandelbaum Richard1946-MiAaPQMiAaPQMiAaPQBOOK9910788783503321Combinatorial methods in topology and algebraic geometry343971UNINA