Abstract
We define the Eulerian ideal of a $k$-uniform hypergraph and study its degree and Castelnuovo-Mumford regularity. The main tool is a Gröbner basis of the ideal obtained combinatorially from the hypergraph. We define the notion of parity join in a hypergraph and show that the regularity of the Eulerian ideal is equal to the maximum cardinality of such a set of edges. The formula for the degree involves the cardinality of the set of sets of vertices, $T$, that admit a $T$-join. We compute the degree and regularity explicitly in the cases of a complete $k$-partite hypergraph and a complete hypergraph of rank three.
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