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240827-104640: The Seifert presentation.
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Martchenkov-{ hide text
  241025-171129: Burau and Alexander.
  241011-141247: The Seifert presentation (3).
  241011-141246: The Seifert presentation (2).
  240827-104640: The Seifert presentation.
  240411-110151: Comparing upper and lower Wirtinger.
  240319-132314: Comparing Wirtinger and Dehn.
  240312-131731: Back to equivalence of presentations.
  240226-151054: The extra row.
  240124-115045: The fundamental forms of planar curves (2).
  240117-154443: The fundamental forms of planar curves.
  231109-152459: More on $H_1(\tilde{X})$ (2).
  231102-145504: More on $H_1(\tilde{X})$.
  231025-144256: $H_1(\tilde{X})$ and $H_1(\tilde{X},\tilde{p})$.
  231011-161249: The relation between the upper and the lower Wirtinger presentations.
  231005-145332: The Abelianization of Dehn.
  230919-171324: Invariance of Alexander formulas.
  230601-123143: The Dehn presentation and the Alexander polynomial (2).
  230425-142328: The Dehn presentation and the Alexander polynomial.
  230223-125050: Matrices and quadratics.
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