Kaestner Brackets.

@article{Kobayashi2019KaestnerB,
  title={Kaestner Brackets.},
  author={Forest Kobayashi and S. Nelson},
  journal={arXiv: Geometric Topology},
  year={2019}
}
We introduce \textit{Kaestner brackets}, a generalization of biquandle brackets to the case of parity biquandles. This infinite set of quantum enhancements of the biquandle counting invariant for oriented virtual knots and links includes the classical quantum invariants, the quandle and biquandle $2$-cocycle invariants and the classical biquandle brackets as special cases, coinciding with them for oriented classical knots and links but defining generally stronger invariants for oriented virtual… Expand

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