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Answers
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0
Simplicial path and loop spaces
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A homotopy equivalence between total spaces in a (Hurewicz) fibration which is not a fiber homotopy equivalence
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Classifying Space of a Group Extension
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How to find Colin Day’s PhD Thesis
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Drinfeld’s 1988 letter to Schechtman: translation request
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The relationship between group cohomology and topological cohomology theories
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Deformation theory of co-$A_\infty$ structures. (2)
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co-$A_\infty$ spaces
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Smooth classifying spaces?