2 papers
math.GT2002
Cocycle Knot Invariants, Quandle Extensions, and Alexander Matrices
J. Scott Carter, Angela Harris, Marina Appiou Nikiforou +1
The theory of quandle (co)homology and cocycle knot invariants is rapidly being developed. We begin with a summary of these recent advances. One such advance is the notion of a dyn…
math.GT2001
Extensions of Quandles and Cocycle Knot Invariants
J. Scott Carter, Mohamed Elhamdadi, Marina Appiou Nikiforou +1
Quandle cocycles are constructed from extensions of quandles. The theory is parallel to that of group cohomology and group extensions. An interpretation of quandle cocycle invarian…