On cohomological invariants of local rings in positive characteristic
Abstract
The Frobenius depth denoted by defined by Hartshorne-Speiser in 1977 and later by Lyubeznik in 2006, in a different way, for rings of positive characteristic. The aim of the present paper is to compare the with formal grade, and to shed more light on the notion of Frobenius depth from a different point of view.
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