368 citations
- Brookhaven National LaboratoryUS6 papers
- University of British ColumbiaCA4 papers
- University of SouthamptonGB4 papers
- Cornell UniversityUS3 papers
- High Energy Accelerator Research OrganizationJP3 papers
- Kanazawa UniversityJP3 papers
- RIKEN BNL Research CenterUS3 papers
- The Graduate University for Advanced Studies, SOKENDAIJP3 papers
- Thomas Jefferson National Accelerator FacilityUS3 papers
- University of Maryland, College ParkUS3 papers
- University of MinnesotaUS3 papers
- A. Alikhanyan National LaboratoryAM2 papers
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math.AG2007★ 1 cited
Multigraded regularity and the Koszul property
Milena Hering
We give a criterion for the section ring of an ample line bundle to be Koszul in terms of multigraded regularity. We discuss an application to polytopal semigroup rings.
math.AG2003★ 43 cited
Pointed Admissible G-Covers and G-equivariant Cohomological Field Theories
Tyler J. Jarvis, Ralph Kaufmann, Takashi Kimura
For any finite group G we define the moduli space of pointed admissible G-covers and the concept of a G-equivariant cohomological field theory (G-CohFT), which, when G is the trivi…
math.AG2002★ 6 cited
The algebra of discrete torsion
Ralph M. Kaufmann
We analyze the algebraic structures of G--Frobenius algebras which are the algebras associated to global group quotient objects. Here G is any finite group. These algebras turn out…