We determine exactly which semigroup algebras of weighted trees are Gorenstein. These algebras arise as toric degenerations of projective coordinate rings of moduli of weighted points on the projective line. As a corollary, we find exactly when these families of algebras are Gorenstein as well.
|Number of pages||11|
|Journal||Journal of Algebra|
|State||Published - Mar 15 2012|
Bibliographical noteFunding Information:
E-mail address: email@example.com. 1 The author was supported by the NSF FRG grant DMS-0554254.
- Gorenstein algebra
- Moduli of points
- Toric degeneration
ASJC Scopus subject areas
- Algebra and Number Theory