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Gorenstein scheme information


In algebraic geometry, a Gorenstein scheme is a locally Noetherian scheme whose local rings are all Gorenstein.[1] The canonical line bundle is defined for any Gorenstein scheme over a field, and its properties are much the same as in the special case of smooth schemes.

  1. ^ Kollár (2013), section 2.5; Stacks Project, Tag 0AWV.

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Gorenstein scheme

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Gorenstein scheme is a locally Noetherian scheme whose local rings are all Gorenstein. The canonical line bundle is defined for any Gorenstein scheme...

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Gorenstein ring

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the concept of Gorenstein rings. Frobenius rings are noncommutative analogs of zero-dimensional Gorenstein rings. Gorenstein schemes are the geometric...

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Gorenstein

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theorem Gorenstein–Harada theorem Gorenstein ring Gorenstein scheme Gorenstein–Walter theorem Eli Gorenstein (born 1952), Israeli actor, voice actor...

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Glossary of algebraic geometry

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{O}}_{X})^{G}={\mathcal {O}}_{Y}.} Gorenstein 1.  A Gorenstein scheme is a locally Noetherian scheme whose local rings are Gorenstein rings. 2.  A normal variety...

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Dualizing sheaf

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construct the dualizing sheaf on X. coherent duality reflexive sheaf Gorenstein ring Dualizing module Hartshorne 1977, Ch. III, § 7. Kollár & Mori 1998...

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Rational singularity

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particular Cohen-Macaulay, normal and Du Bois. They need not be Gorenstein or even Q-Gorenstein. Log terminal singularities are rational. An example of a rational...

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Regular local ring

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chain of inclusions: Universally catenary rings ⊃ Cohen–Macaulay rings ⊃ Gorenstein rings ⊃ complete intersection rings ⊃ regular local rings There are a...

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List of algebraic geometry topics

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Krull dimension Regular local ring Regular sequence Cohen–Macaulay ring Gorenstein ring Koszul complex Spectrum of a ring Zariski topology Kähler differential...

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Enriques surface

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is Z/2Z. The surface is a quotient of a reduced singular Gorenstein surface by the group scheme μ2. Singular: dim(H1(O)) = 1 and is acted on non-trivially...

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Finite group

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written by about 100 authors, published mostly between 1955 and 2004. Gorenstein (d.1992), Lyons, and Solomon are gradually publishing a simplified and...

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Local ring

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(2nd ed.). Dover. ISBN 978-0-486-47187-7. Discrete valuation ring Semi-local ring Valuation ring Gorenstein local ring The philosophy behind local rings...

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Commutative ring

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calculus over commutative algebras, Banach–Stone theorem Local rings: Gorenstein local ring (also used in Wiles's proof of Fermat's Last Theorem): Duality...

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Local cohomology

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R} of dimension d {\displaystyle d} that is a homomorphic image of a Gorenstein local ring (for example, if R {\displaystyle R} is complete), it states...

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Peter Schiff

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from the original on November 17, 2014. Retrieved March 6, 2014. Peter Gorenstein (March 28, 2011). "Peter Schiff: The US Should Abolish Corporate And Personal...

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List of group theory topics

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Fischer H. Fitting G. Frattini G. Frobenius E. Galois G. Glauberman D. Gorenstein R.L. Griess M. Hall, Jr. P. Hall G. Higman D. Hilbert O. Hölder B. Huppert...

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Macdonald polynomials

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involved showing that the isospectral Hilbert scheme of n points in a plane was Cohen–Macaulay (and even Gorenstein). Earlier results of Haiman and Garsia had...

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Ree group

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about this problem after reading an article about the classification by Gorenstein (1979), who suggested that someone from outside group theory might be...

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Alexander Grothendieck

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theory Formally smooth map Fundamental groupoid Fundamental group scheme Gorenstein ring – Local ring in commutative algebra Grothendieck's Tôhoku paper –...

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List of algorithms

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and analytical hierarchy BCH Codes Berlekamp–Massey algorithm Peterson–Gorenstein–Zierler algorithm Reed–Solomon error correction BCJR algorithm: decoding...

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Century of Progress

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affiliated with home decor and construction. Marine artist Hilda Goldblatt Gorenstein painted twelve murals for the Navy's exhibit in the Federal Building for...

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