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math.AC2017
Binomial edge ideals of bipartite graphs
Davide Bolognini, Antonio Macchia, Francesco Strazzanti
We classify the bipartite graphs whose binomial edge ideal is Cohen-Macaulay. The connected components of such graphs can be obtained by gluing a finite number of basic b…
math.CO2017
Betti splitting from a topological point of view
Davide Bolognini, Ulderico Fugacci
A Betti splitting of a monomial ideal ensures the recovery of the graded Betti numbers of starting from those of and . In this paper, we introduce t…