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Answers
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Homotopy equivalences preserving structure
7
Is there a notion of a chain complex with corners?
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Are the stiefel-Whitney classes of the tangent bundle determined by the mod 2 cohomology?
5
Definition of “simplicial complex” (2)
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Why are cup-i products and Steenrod Squares often (always?) unary?
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Existence of a chain map lifting the identity; Alexander-Whitney/Eilenberg-Zilber maps
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Mapping torus of a homotopy equivalence
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Higher dimensional Heegaard splittings?
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What are some examples of colorful language in serious mathematics papers?
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Intuition behind Alexander duality
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First appearance of Novikov’s additivity theorem
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What is the best paper or book studying the P homomorphism, J homomorphism and Hopf invariant in Homotopy theory?
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Where to start with research regarding maslov index/class
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knot complement
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German mathematical terms like “Nullstellensatz” (2)
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Regular homotopy invariance of Wall’s self-intersection form.
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Which manifolds are homeomorphic to simplicial complexes?
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Reference for monkeying with the topology of a mapping cylinder
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Definition of the Kervaire invariant for normal maps (as in Browder’s book)
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Poincare duality and the $A_\infty$ structure on cohomology
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Ranicki symmetric L-groups of finite fields?
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Failure of smoothing theory for topological 4-manifolds
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Intutive interpretation about Linking forms
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motivation of surgery
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How can you tell if a space is homotopy equivalent to a manifold?
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understanding Steenrod squares