We analyze the homological behavior of the attaching maps in the 2–local Goodwillie tower of the identity evaluated at S1. We show that they exhibit the same homological behavior as the James–Hopf maps used by N Kuhn to prove the 2–primary Whitehead conjecture. We use this to prove a calculus form of the Whitehead conjecture: the Whitehead sequence is a contracting homotopy for the Goodwillie tower of S1 at the prime 2.
Keywords: Whitehead Conjecture, Goodwillie calculus, Dyer–Lashof operation
Behrens, Mark  1
@article{10_2140_agt_2011_11_2453,
author = {Behrens, Mark},
title = {The {Goodwillie} tower for {S1} and {Kuhn{\textquoteright}s} {Theorem}},
journal = {Algebraic and Geometric Topology},
pages = {2453--2475},
year = {2011},
volume = {11},
number = {4},
doi = {10.2140/agt.2011.11.2453},
url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2011.11.2453/}
}
Behrens, Mark. The Goodwillie tower for S1 and Kuhn’s Theorem. Algebraic and Geometric Topology, Tome 11 (2011) no. 4, pp. 2453-2475. doi: 10.2140/agt.2011.11.2453
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