Rees Algebras of F-regular Type
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Nobuo Hara; Kei-ichi Watanabe; Ken-ichi Yoshida
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Article
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2002
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Elsevier Science
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English
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We study the F-regularity of Rees algebras R I s A It in terms of the global ลฝ . F-regularity of the blowing-up X s Proj R I of Spec A. As it reads, global F-regularity is a global analog of strong F-regularity defined via splitting of Frobenius maps in prime characteristic, and these notions are ex