Combinatorial methods in topology and algebraic geometry / / John R. Harper and Richard Mandelbaum, editors

• Record Nr.: UNINA9910818823903321
• Pubbl/distr/stampa: Providence, Rhode Island : , : American Mathematical Society, , [1985]; ©1985
• ISBN: 0-8218-7629-5
• Descrizione fisica: 1 online resource (370 p.)
• Collana: Contemporary mathematics, , 0271-4132 ; ; 44 , 0271-4132
• Disciplina: 514/.22
• Soggetti: Combinatorial topology; Geometry, Algebraic; Combinatorial analysis
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references.
• Nota di contenuto: 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.