arXiv subjects

Paul C. Roberts

Publications and source records attributed to Paul C. Roberts.

2 recordsLinked to original sources

arXiv2008

The root closure of a ring of mixed characteristic

We define a closure operation for rings of mixed characteristic and verify that the closure is a ring. We then show that this closure produces a ring with good properties with respect to its Fontaine ring and give an example to show that rings that are not closed in this sense do not satisfy these properties.

math.AC↗

arXiv2003

Cycles and Commutative Algebra

We describe several applications of the theory of cycles to questions in Commutative Algebra. The main topic is the use of the theory of local Chern characters to answer some questions on modules of finite homological dimension. This paper is based on talks given at the conference on cycles in Morelia, Mexico in June 2003.

math.AC↗