We generalize the notion of biquandles to psyquandles and use these to define invariants of oriented singular links and pseudolinks. In addition to psyquandle counting invariants, we introduce Alexander psyquandles and corresponding invariants such as Alexander psyquandle polynomials and Alexander-Gröbner psyquandle in…
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5 results for “psyquandle”
Psyquandle Bracketsmath.GT
Extends biquandle brackets to psyquandles for knot and pseudoknot invariants.
problem Counting invariants for singular and pseudoknots.
method Define quantum enhancements of psyquandle counting invariant.
result Proper quantum enhancements for singular and pseudoknots.
Survey of algebraic structures for singular knots.
problem Invariants of singular knots using quandle-like structures.
method Exploration of singquandles, psyquandles, and their invariants.
result Enhancements to the singquandle counting invariant and new polynomial invariants.
Enhances psyquandle counting invariants using cocycles.
problem Improving the counting invariant of pseudoknots and singular knots.
method Defining enhancements via biquandle 2-cocycles and new functions.
result New polynomial invariants that are proper enhancements and not determined by the Jablan polynomial.
Psyquandle Coloring Quiversmath.GT
Enhances psyquandle invariants for singular and pseudoknots.
problem Counting invariants for singular knots and pseudoknots.
method Uses quivers to extend in-degree polynomial invariants.
result Obtains biquandle coloring quivers and in-degree polynomial invariants.