Browsing by Autor "Bruno Cisneros"

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    An Alexander-type invariant for doodles
    (World Scientific, 2022) Bruno Cisneros; Marcelo Flores; Jesús Juyumaya; Christopher Roque-Márquez
    We construct an Alexander-type invariant for oriented doodles from a deformation of the Tits representation of the twin group and from the Chebyshev polynomials of the second kind. Like the Alexander polynomial, our invariant vanishes on unlinked doodles with more than one component. We also include values of our invariant on several doodles.