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math.CO2022★ 4 cited
Partial-twuality polynomials of delta-matroids
Qi Yan, Xian'an Jin
Gross, Mansour and Tucker introduced the partial-twuality polynomial of a ribbon graph. Chumutov and Vignes-Tourneret posed a problem: it would be interesting to know whether the p…
math.CO2022★ 3 cited
Twist monomials of binary delta-matroids
Qi Yan, Xian'an Jin
Recently, we introduced the twist polynomials of delta-matroids and gave a characterization of even normal binary delta-matroids whose twist polynomials have only one term and pose…