carpathian_2008_24_3_425_431_001

Coradical filtration for incidence coalgebra and path coalgebra


Georgiana Velicu


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carpathian_2008_24_3_425_431

In this paper we construct the coradical filtration for incidence coalgebra and path coalgebra. We introduce the length filtration for incidence coalgebra and we prove that these two filtrations coincide.