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Date: 2011-04-19 14:53:19 Homotopy theory Surgery theory Differential topology Cobordism Covering space Fundamental group Homotopy group Surgery exact sequence Whitehead torsion Topology Abstract algebra Algebraic topology		Add to Reading List Source URL: www.math.harvard.edu Download Document from Source Website File Size: 183,17 KB Share Document on Facebook

	ORBISPACES, ORTHOGONAL SPACES, AND THE UNIVERSAL COMPACT LIE GROUP STEFAN SCHWEDE Introduction In this article we provide a new perspectives on unstable global homotopy theory: we interpret it as the DocID: 1rZjw - View Document
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	COCOMPACTLY CUBULATED GRAPH MANIFOLDS MARK F. HAGEN∗ AND PIOTR PRZYTYCKI† Abstract. Let M be a graph manifold. We show that π1 M is the fundamental group of a compact nonpositively curved cube complex if and only if DocID: 1r06N - View Document