An example of semiquandle and u-polynomials for flat virtual knots via this semiquandle coloringmath.GT
The paper introduces a semiquandle for flat virtual knots and connects it to u-polynomials.
problem Defining invariants for flat virtual knots.
method Developed a semiquandle and used it to define an invariant for flat virtual knots.
result The semiquandle invariant relates to u-polynomials for flat virtual knots.