ORCID Identifier(s)

0000-0002-6494-2481

Graduation Semester and Year

2016

Language

English

Document Type

Dissertation

Degree Name

Doctor of Philosophy in Mathematics

Department

Mathematics

First Advisor

Minerva Cordero-Epperson

Second Advisor

David A Jorgensen

Abstract

Support and rank varieties of modules over a group algebra of an elementary abelian p-group have been well studied. In particular, Avrunin and Scott showed that in this setting, the rank and support varieties are equivalent. Avramov and Buchweitz proved an analogous result for pairs of modules over arbitrary commutative local complete intersection rings. In this dissertation we study support and rank varieties in the triangulated category of totally acyclic chain complexes over a complete intersection ring and show that these varieties are also equivalent. We also show that any homogeneous affine variety is realizable as the support of some pair of totally acyclic complexes.

Keywords

Support varieties, Rank varieties, Totally acyclic complexes, Realizability, Cohomology

Disciplines

Mathematics | Physical Sciences and Mathematics

Comments

Degree granted by The University of Texas at Arlington

26121-2.zip (232 kB)

Included in

Mathematics Commons

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