11 research outputs found

    Recipe theorems for polynomial invariants on ribbon graphs with half-edges

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    We provide recipe theorems for the Bollob\`as and Riordan polynomial R\mathcal{R} defined on classes of ribbon graphs with half-edges introduced in arXiv:1310.3708[math.GT]. We also define a generalized transition polynomial QQ on this new category of ribbon graphs and establish a relationship between QQ and R\mathcal{R}.Comment: 24 pages, 14 figure
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