10 citations · 24 across the 13 of their papers we have counts for
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math.AC2014★ 3 cited
On the ideal of orthogonal representations of a graph in
Jürgen Herzog, Antonio Macchia, Sara Saeedi Madani +1
In this paper, we study orthogonal representations of simple graphs in from an algebraic perspective in case . Orthogonal representations of graphs, intro…
math.AC2014
The coordinate ring of a simple polyomino
Juergen Herzog, Sara Saeedi Madani
In this paper it is shown that a polyomino is balanced if and only if it is simple. As a consequence one obtains that the coordinate ring of a simple polyomino is a normal Cohen-Ma…
math.AC2014
Pseudo-Gorenstein and level Hibi rings
Viviana Ene, Jürgen Herzog, Takayuki Hibi +1
We introduce pseudo-Gorenstein rings and characterize those Hibi rings attached to a finite distributive lattice L which are pseudo-Gorenstein. The characterization is given in ter…