Flores, MarceloMarceloFloresJuyumaya, JesúsJesúsJuyumayaBruno CisnerosChristopher Roque-Márquez2025-08-252025-08-252022-11-0110.1142/s02182165225009002-s2.0-85143728460https://cris-uv-2.scimago.es/handle/123456789/4309WOS:000884573600002We 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.enacceso restringidoAlgebra And Number TheoryMathematicsarticle; early access