A characterisation of jointless Dowling geometries. - Irasema Sarmiento (Discret. Math., 1999)

Hopf Algebras and the Penrose Polynomial. - Irasema Sarmiento (Eur. J. Comb., 2001)

Transition polynomials. - Irasema Sarmiento (Discret. Math., 2005)

Distance Hereditary Graphs and the Interlace Polynomial. - Joanna A. Ellis-Monaghan; Irasema Sarmiento (Comb. Probab. Comput., 2007)

A recipe theorem for the topological Tutte polynomial of Bollobás and Riordan. - Joanna A. Ellis-Monaghan; Irasema Sarmiento (Eur. J. Comb., 2011)