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Answers
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Covering maps in real life that can be demonstrated to students
2
Where should I learn about immersion theory?
2
Making CW-complexes metrizable
8
The role of ANR in modern topology
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Original proof of the existence of Seifert surfaces
16
How to “see” that double suspension of homology 3-sphere is homeomorphic to a sphere?
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Can the Alexander horned sphere arise as a cell boundary in a finite CW-sphere?
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How to Tackle the Smooth Poincare Conjecture
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Morse theory in TOP and PL categories?
31
Status of PL topology (2)
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Classifying spaces of a profinite groups
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Category of Uniform spaces
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Singular fibers of generic smooth maps of negative codimension
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When is the Freudenthal compactification an ANR?
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Trivial cobordism group in dimensions 1, 3, 7 related to H-space structures on the spheres in these dimensions?
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Reference on Geometric Topology
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Well-pointed space which is not locally contractible (2)
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The “grassmannian” of a simplicial complex
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A simplicial complex which is not collapsible, but whose barycentric subdivision is
3
Cohomology of a space with local coefficients and singular cohomological dimension
3
degenerating immersion (2)
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What is a continuous path?
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Is there a “knot theory” for graphs?
9
Representing Rational Homology by Manifolds
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Realisability cohomological class as product or as immersed sphere
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How thinly connected can a closed subset of Hilbert space be?
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is there any fibration $\mathbb{R}^n\to \mathbb{S}^n$?
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What part of the fundamental group is captured by the second homology group?
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Is PA consistent? do we know it?
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A density condition for metric spaces
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