Author

Somayeh Moradi

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Preprint Sep 2026

Symbolic Rees algebras of complementary edge ideals

Let $G$ be a finite simple graph on $[n]$ and let $I_c(G)$ denote its complementary edge ideal in the polynomial ring $S = K[x_1,\dots,x_n]$. We give a combinatorial description, in terms of the structure of $G$, of the minimal generators of the symbolic Rees algebra $\mathcal{R}_s(I_c(G)) = \bigoplus_{k \geq 0} I_c(G)...

Antonino Ficarra, Somayeh Moradi, Y. Muta · 1 citation

Aug 2026

Dominated chromatic number of central graphs

Let [Formula: see text] be a graph with no isolated vertex. A dominated coloring of [Formula: see text] is a proper coloring of [Formula: see text] such that each color class is dominated by at least one vertex. The minimum number of colors needed for a dominated coloring of [Formula: see text] is called the dominated...

Farshad Kazemnejad, Somayeh Moradi · Discrete Mathematics, Algori... · 0 citations