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At What kind of topological invariants can you get from just Hopf algebras?, link [4] is not being processed:

What kind of topological invariants can you get from just Hopf algebras? with link not processed

However, it is there in the source:

  [1]: http://www-math.mit.edu/~ptingley/publications/minus-sign.pdf
  [2]: https://arxiv.org/abs/math/0503040
  [3]: http://math.columbia.edu/~ellis/ugrad_seminar_spring_2011/geissinger.pdf
  [4]: http://garsia.math.yorku.ca/~zabrocki/talks/Hopfzoo.pdf

Why isn't it processed?

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1 Answer 1

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Apparently you need to let the <hr> tag its own paragraph. I fixed it now.

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