Mapping spaces and M-CW complexes.
Homotopy operations and the obstructions to being an H-space.
Colimits for the pro-category of towers of simplicial sets
Loop spaces and homotopy operations
We describe an obstruction theory for an H-space X to be a loop space, in terms of higher homotopy operations taking values in . These depend on first algebraically “delooping” the Π-algebras , using the H-space structure on X, and then trying to realize the delooped Π-algebra.
A suspension spectral sequence for vn-periodic homotopy groups.
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