Quillen’s famous plus construction plays an important role in many aspects of manifold topology. In our own work [Geometry and Topology 7 (2006) 541–556] on ends of open manifolds, an ability to embed cobordisms provided by the plus construction into the manifolds being studied was a key to completing the main structure theorem. In this paper we develop a “spherical modification” trick that allows for a constructive approach to obtaining those embeddings. More importantly, this approach can be used to obtain more general embedding results. In this paper we develop generalizations of the plus construction (together with the corresponding group-theoretic notions) and show how those cobordisms can be embedded in manifolds satisfying appropriate fundamental group properties. Results obtained here are motivated by, and play an important role in, our ongoing study of noncompact manifolds.
Keywords: spherical alteration, perfect group, plus construction, generalized plus construction
Guilbault, Craig R  1 ; Tinsley, Frederick C  2
@article{10_2140_agt_2013_13_35,
author = {Guilbault, Craig R and Tinsley, Frederick C},
title = {Spherical alterations of handles: embedding the manifold plus construction},
journal = {Algebraic and Geometric Topology},
pages = {35--60},
year = {2013},
volume = {13},
number = {1},
doi = {10.2140/agt.2013.13.35},
url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2013.13.35/}
}
TY - JOUR AU - Guilbault, Craig R AU - Tinsley, Frederick C TI - Spherical alterations of handles: embedding the manifold plus construction JO - Algebraic and Geometric Topology PY - 2013 SP - 35 EP - 60 VL - 13 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2013.13.35/ DO - 10.2140/agt.2013.13.35 ID - 10_2140_agt_2013_13_35 ER -
%0 Journal Article %A Guilbault, Craig R %A Tinsley, Frederick C %T Spherical alterations of handles: embedding the manifold plus construction %J Algebraic and Geometric Topology %D 2013 %P 35-60 %V 13 %N 1 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2013.13.35/ %R 10.2140/agt.2013.13.35 %F 10_2140_agt_2013_13_35
Guilbault, Craig R; Tinsley, Frederick C. Spherical alterations of handles: embedding the manifold plus construction. Algebraic and Geometric Topology, Tome 13 (2013) no. 1, pp. 35-60. doi: 10.2140/agt.2013.13.35
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