Abstract
We define the Igusa–Todorov function for left (or right) semiperfect coalgebras. In this context, we prove that a coalgebra is left qcF if and only if its Igusa–Todorov function on right comodules is zero.
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The authors want to thank ANII-FCE 2007-059, Uruguay.
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Haim, M., Lanzilotta, M. & Mata, G. The Igusa–Todorov function for comodules. São Paulo J. Math. Sci. 11, 59–67 (2017). https://doi.org/10.1007/s40863-016-0045-5
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DOI: https://doi.org/10.1007/s40863-016-0045-5