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15
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How to compute associated graded algebras?

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#abstract-algebra #algebraic-geometry #commutative-algebra
218
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Number of branch points for a projection to $\Bbb{CP}^1$

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#algebraic-geometry #algebraic-curves #riemann-surfaces
52
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Does $\deg_k F(-D)/F = \deg_k D$ hold for effective divisors $D$ and coherent, torsion-free $\mathcal{O}_X$-modules $F$?

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#algebraic-geometry #sheaf-theory #algebraic-curves #divisors-algebraic-geometry
156
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Reference for Hodge decomposition for flag variety

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#algebraic-geometry #reference-request #homology-cohomology #complex-geometry #hodge-theory
268
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Finite extension of regular local rings

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#algebraic-geometry #commutative-algebra
389
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stalk-local implies affine-local

Published on
#algebraic-geometry #schemes
166
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Chow groups with coefficients in a local system

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#algebraic-geometry #reference-request #sheaf-theory #sheaf-cohomology #local-systems
433
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Showing $GL_n$ is a special algebraic group

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#algebraic-geometry #schemes #principal-bundles #algebraic-stacks
224
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The relation between a ring homomorphism $\phi$ and $\mathrm{Spec}(\phi)$

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#algebraic-geometry #commutative-algebra
310
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Divisor on cubic curve $y^2z=x^3-xz^2$

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#algebraic-geometry #divisors-algebraic-geometry #line-bundles
371
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A trace map for $\operatorname{End}_{\mathcal{O}_X}(\mathcal F)$ of a locally free sheaf of finite rank

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#algebraic-geometry #tensor-products #sheaf-theory #vector-bundles #trace
1.1k
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A problem about the basis of the Zariski topology

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#algebraic-geometry #zariski-topology
950
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Basic properties of complete intersection ideals

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#algebraic-geometry #commutative-algebra #ideals
562
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Definition of Tropical Hypersurface

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#algebraic-geometry #universal-algebra #tropical-geometry
279
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Left cosets complex orthogonal group under real orthogonal group

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#linear-algebra #algebraic-geometry #euclidean-geometry #orthogonal-matrices #quantum-field-theory

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