In this paper, we compute Alexander polynomials of a torus curve of type , , under the assumption that the origin is the unique inner singularity and is an irreducible conic. We show that the Alexander polynomial remains the same with that of a generic torus curve as long as is irreducible.
"On Alexander polynomials of certain torus curves." J. Math. Soc. Japan 62 (1) 213 - 238, January, 2010. https://doi.org/10.2969/jmsj/06210213