Allen Hatcher

Results: 39



#Item
11The Cyclic Cycle Complex of a Surface Allen Hatcher A recent paper [BBM] by Bestvina, Bux, and Margalit contains a construction of a cell complex that gives a combinatorial model for the collection of isotopy classes of

The Cyclic Cycle Complex of a Surface Allen Hatcher A recent paper [BBM] by Bestvina, Bux, and Margalit contains a construction of a cell complex that gives a combinatorial model for the collection of isotopy classes of

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Source URL: www.math.cornell.edu

Language: English - Date: 2008-06-02 12:47:57
12ERRATUM TO “STABILIZATION FOR THE AUTOMORPHISMS OF FREE GROUPS WITH BOUNDARIES” ALLEN HATCHER AND NATHALIE WAHL The purpose of this note is to point out a gap in an argument in our paper [4] and explain how to fill i

ERRATUM TO “STABILIZATION FOR THE AUTOMORPHISMS OF FREE GROUPS WITH BOUNDARIES” ALLEN HATCHER AND NATHALIE WAHL The purpose of this note is to point out a gap in an argument in our paper [4] and explain how to fill i

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Source URL: www.math.cornell.edu

Language: English - Date: 2007-09-15 08:10:18
13STABILIZATION FOR MAPPING CLASS GROUPS OF 3-MANIFOLDS ALLEN HATCHER AND NATHALIE WAHL Abstract. We prove that the homology of the mapping class group of any 3manifold stabilizes under connected sum and boundary connected

STABILIZATION FOR MAPPING CLASS GROUPS OF 3-MANIFOLDS ALLEN HATCHER AND NATHALIE WAHL Abstract. We prove that the homology of the mapping class group of any 3manifold stabilizes under connected sum and boundary connected

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Source URL: www.math.cornell.edu

Language: English - Date: 2009-10-23 08:35:47
14THE COMPLEX OF FREE FACTORS OF A FREE GROUP Allen Hatcher * and Karen Vogtmann* ABSTRACT. We show that the geometric realization of the partially ordered set of proper free factors in a finitely generated free group of r

THE COMPLEX OF FREE FACTORS OF A FREE GROUP Allen Hatcher * and Karen Vogtmann* ABSTRACT. We show that the geometric realization of the partially ordered set of proper free factors in a finitely generated free group of r

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Source URL: www.math.cornell.edu

Language: English - Date: 1998-01-27 12:11:53
15Finiteness of Classifying Spaces of Relative Diffeomorphism Groups of 3-Manifolds Allen Hatcher Darryl McCullough Department of Mathematics, Cornell University, Ithaca, NY 14853, USA Department of Mathematics, University

Finiteness of Classifying Spaces of Relative Diffeomorphism Groups of 3-Manifolds Allen Hatcher Darryl McCullough Department of Mathematics, Cornell University, Ithaca, NY 14853, USA Department of Mathematics, University

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Source URL: www.math.cornell.edu

Language: English - Date: 1998-01-12 12:52:48
16Spaces of Incompressible Surfaces Allen Hatcher The homotopy type of the space of PL homeomorphisms of a Haken 3 manifold was computed in [H1], and with the subsequent proof of the Smale conjecture in [H2], the computati

Spaces of Incompressible Surfaces Allen Hatcher The homotopy type of the space of PL homeomorphisms of a Haken 3 manifold was computed in [H1], and with the subsequent proof of the Smale conjecture in [H2], the computati

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Source URL: www.math.cornell.edu

Language: English - Date: 1999-06-11 14:52:31
17Stable Homology of Spaces of Graphs Allen Hatcher Banff November 29, 2012 Starting point : Galatius’ theorem, the analog of the Madsen-Weiss theorem for Aut(Fn ) :

Stable Homology of Spaces of Graphs Allen Hatcher Banff November 29, 2012 Starting point : Galatius’ theorem, the analog of the Madsen-Weiss theorem for Aut(Fn ) :

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Source URL: www.math.cornell.edu

Language: English - Date: 2012-12-05 20:21:28
18Pants Decompositions of Surfaces Allen Hatcher In studying the geometry and topology of surfaces it often happens that one considers a collection of disjointly embedded circles in a compact orientable surface Σ which de

Pants Decompositions of Surfaces Allen Hatcher In studying the geometry and topology of surfaces it often happens that one considers a collection of disjointly embedded circles in a compact orientable surface Σ which de

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Source URL: www.math.cornell.edu

Language: English - Date: 1999-06-12 13:36:06
19GENERATING THE TORELLI GROUP ALLEN HATCHER AND DAN MARGALIT Abstract. We give a new proof of the theorem of Birman–Powell that the Torelli subgroup of the mapping class group of a closed orientable surface of genus at

GENERATING THE TORELLI GROUP ALLEN HATCHER AND DAN MARGALIT Abstract. We give a new proof of the theorem of Birman–Powell that the Torelli subgroup of the mapping class group of a closed orientable surface of genus at

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Source URL: www.math.cornell.edu

Language: English - Date: 2012-07-18 10:45:04
20Stable Homology by Scanning Variations on a Theorem of Galatius Talk at Luminy[removed]Allen Hatcher Question: What can one say about H∗ Aut(Fn ) ?

Stable Homology by Scanning Variations on a Theorem of Galatius Talk at Luminy[removed]Allen Hatcher Question: What can one say about H∗ Aut(Fn ) ?

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Source URL: www.math.cornell.edu

Language: English - Date: 2010-09-09 10:20:17