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math.AC2014
A note on the regularity of Hibi rings
Viviana Ene, Jürgen Herzog, Sara Saeedi Madani
We compute the regularity of the Hibi ring of any finite distributive lattice in terms of its poset of join irreducible elements.
math.CO2014
Binomial edge ideals with pure resolutions
Dariush Kiani, Sara Saeedi Madani
We characterize all graphs whose binomial edge ideals have pure resolutions. Moreover, we introduce a new switching of graphs which does not change some algebraic invariants of gra…