Abstract
In this paper, we study the powers of the generalized binomial edge ideal [Formula: see text] of a path graph [Formula: see text]. We explicitly compute their regularities and determine the limit of their depths. We also show that these ordinary powers coincide with their symbolic powers. Additionally, we study the Rees algebra and the special fiber ring of [Formula: see text] utilizing Sagbi basis theory. In particular, we obtain precise formulas for the regularity of these blowup algebras.
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