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Answers
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25
How misleading is it to regard $\frac{dy}{dx}$ as a fraction?
22
Are there examples of non-orientable manifolds in nature?
21
What if Current Foundations of Mathematics are Inconsistent?
17
What makes four dimensions special?
13
Outer automorphisms of free groups into bigger free groups
11
Borromean braids
10
Are there graph models for other moduli spaces?
8
Knot theory without planar diagrams?
7
Is there a torsion element in the homology cylinder group?
7
Using slides in math classroom
6
Whitehead doubles of any knots
6
What does the word “symplectic” mean?
6
Intuition behind Alexander duality
5
Computing homology of very large posets
5
When do submanifolds lie in the same homology class?
5
Is the Hopf link a Brunnian link?
5
Resubmitting a paper
4
fundamental groups of surfaces
4
Theorems that are ‘obvious’ but hard to prove
4
Boundary links and ribbon links.
3
NP-Hard solution question
3
Examples of great mathematical writing
3
slice=ribbon generalization to higher genus + potential counterexamples to slice=ribbon.
3
Discrete Morse theory and existence of minimal complex
3
Ternary “Lie structure”
3
What are some examples of ingenious, unexpected constructions?
3
Vassilliev invariants of knots and their cables
2
Homology of Covering Spaces
2
Quasi-Lie algebras in nature?
2
Never appeared forthcoming papers
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