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Effective Constructive Algebraic Topology - Institut Fourier

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Translation: No known algorithm using these methods<br />

computes H∗(Ω n X) for n ≥ 3<br />

except when X is an n-suspension X = Σ n Y .<br />

Typical example: H∗(Ω 3 (P ∞ R/P 3 R)) = ???<br />

Adams: There exists a finite-type CW-complex<br />

with the homotopy type of Ω 3 (P ∞ R/P 3 R).<br />

Dimension 0 1 2 3 4 5 6 7 8 9 10 · · ·<br />

Cell-# 1 1 2 5 13 33 84 214 545 1388 3535 · · ·<br />

But what about the homological boundary matrices ???<br />

17

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