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math.QA2026
Conformal blocks for modular vertex algebras
Colton Griffin
Given a vertex operator algebra over , it is known how to define so-called sheaves of coinvariants and conformal blocks on the moduli space $\overline{\mathcal{M}}_…
math.QA2026
Modular Zhu algebra theory and Virasoro vertex algebras
Colton Griffin
We develop the representation theory of vertex algebras over arbitrary commutative rings as part of a relative theory, suitable for various applications such as the study of modula…
math.QA2025
Cohomological vertex algebras
Colton Griffin
Vertex algebras (and their modules) can be described as vector spaces together with a linear operator-valued series in one parameter . With the interpretation of as a coordi…