Abstract
We investigate the algebraic rules for functionally inverting a Riordan array given by means of two analytic functions. In this way, we find an extension of the Lagrange Inversion Formula and we apply it to some combinatorial problems on simple coloured walks. For some of these problems we give both an algebraic and a combinatorial proof.
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© 1994 Springer-Verlag Berlin Heidelberg
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Merlini, D., Sprugnoli, R., Verri, M.C. (1994). Algebraic and combinatorial properties of simple, coloured walks. In: Tison, S. (eds) Trees in Algebra and Programming — CAAP'94. CAAP 1994. Lecture Notes in Computer Science, vol 787. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0017484
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DOI: https://doi.org/10.1007/BFb0017484
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