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Different notions of torsors in algebraic geometry

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#algebraic-geometry #reference-request #principal-bundles #group-schemes
185
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closed embedding is open iff ideal sheaf idempotent

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#abstract-algebra #algebraic-geometry #group-schemes
618
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If $G$ is a smooth scheme over $S$ of characteristic $p$, is the relative Frobenius morphism $F_{G/S}$ faithfully flat?

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#schemes #algebraic-groups #affine-schemes #flatness #group-schemes
109
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Definition of Functor in Waterhouse

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#abstract-algebra #algebraic-geometry #group-schemes
93
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Action on Group Scheme

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#algebraic-geometry #schemes #group-schemes
389
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Galois Action on underlying Topological space of a Group Scheme

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#algebraic-geometry #group-schemes
52
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Characters of $\mathbb{G}_m$

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#abstract-algebra #representation-theory #hopf-algebras #group-schemes
308
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Representations of $\mathbb{G}_m$

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#abstract-algebra #representation-theory #diagonalization #group-schemes
446
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Affine Group Scheme Definition

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#algebraic-geometry #lie-groups #algebraic-groups #group-schemes
132
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Geometric invariant theory Affine Quotients

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#algebraic-geometry #schemes #group-schemes
295
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Kahler differentials of a Hopf Algebra

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#algebraic-geometry #commutative-algebra #hopf-algebras #group-schemes
308
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Kernel of an algebra map and module of Kahler Differentials

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#algebraic-geometry #commutative-algebra #hopf-algebras #group-schemes
142
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finite group scheme over char p, question about proof in Shatz book

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#algebraic-geometry #group-schemes
934
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Grading equivalent to action of multiplicative group scheme

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#algebraic-geometry #commutative-algebra #group-schemes
31
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Normality of group schemes

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#schemes #group-schemes

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