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IPM
30
YEARS OLD

“School of Mathematics”

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Paper   IPM / M / 16037
School of Mathematics
  Title:   Binomial edge ideals of small depth
  Author(s): 
1 . Sara Saeedi Madani
2 . Dariush Kiani (Joint with M. Rouzbahani Malayeri)
  Status:   To Appear
  Journal: J. Algebra
  Supported by:  IPM
  Abstract:
Let G be a graph on [n] and J_G be the binomial edge ideal of G in the polynomial ring S=K[x_1,...,x_n,y_1,...,y_n]. In this paper we investigate some topological properties of a poset associated to the minimal primary decomposition of J_G. We show that this poset admits some specific subposets which are contractible. This in turn, provides some interesting algebraic consequences. In particular, we characterize all graphs G for which depth S/J_G=4.

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