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math.AT1998★ 17 cited
Algebraic invariants for homotopy types
David Blanc
We define inductively a sequence of purely algebraic invariants - namely, classes in the Quillen cohomology of the Pi-algebra π_* X - for distinguishing between different homotopy…
math.AT1998
Loop spaces and homotopy operations
David Blanc
The question of whether a given H-space X is, up to homotopy, a loop space has been studied from a variety of viewpoints. Here we address this question from the aspect of homotopy…