We prove a strengthened version of a theorem of Lionel Schwartz [Invent. Math. 134 (1998) 211–227] that says that certain modules over the Steenrod algebra cannot be the mod 2 cohomology of a space. What is most interesting is our method, which replaces his iterated use of the Eilenberg–Moore spectral sequence by a single use of the spectral sequence converging to H∗(ΩnX; ℤ∕2) obtained from the Goodwillie tower for Σ∞ΩnX. Much of the paper develops basic properties of this spectral sequence.
Kuhn, Nicholas  1
@article{10_2140_agt_2008_8_2109,
author = {Kuhn, Nicholas},
title = {Topological nonrealization results via the {Goodwillie} tower approach to iterated loopspace homology},
journal = {Algebraic and Geometric Topology},
pages = {2109--2129},
year = {2008},
volume = {8},
number = {4},
doi = {10.2140/agt.2008.8.2109},
url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2008.8.2109/}
}
TY - JOUR AU - Kuhn, Nicholas TI - Topological nonrealization results via the Goodwillie tower approach to iterated loopspace homology JO - Algebraic and Geometric Topology PY - 2008 SP - 2109 EP - 2129 VL - 8 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2008.8.2109/ DO - 10.2140/agt.2008.8.2109 ID - 10_2140_agt_2008_8_2109 ER -
%0 Journal Article %A Kuhn, Nicholas %T Topological nonrealization results via the Goodwillie tower approach to iterated loopspace homology %J Algebraic and Geometric Topology %D 2008 %P 2109-2129 %V 8 %N 4 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2008.8.2109/ %R 10.2140/agt.2008.8.2109 %F 10_2140_agt_2008_8_2109
Kuhn, Nicholas. Topological nonrealization results via the Goodwillie tower approach to iterated loopspace homology. Algebraic and Geometric Topology, Tome 8 (2008) no. 4, pp. 2109-2129. doi: 10.2140/agt.2008.8.2109
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