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Skew-symmetric multi-derivations of $k[x_1,\ldots,x_n]/I$

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#algebraic-geometry #commutative-algebra #ideals #groebner-basis #affine-varieties
224
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Do we have $(\mathcal L\otimes_{\mathcal O_X}\mathcal L)(X)=\mathcal L(X)\otimes_{\mathcal O_X(X)}\mathcal L(X)$?

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#algebraic-geometry #sheaf-theory #schemes
947
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Open Immersions Stable under Base Change

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#algebraic-geometry
309
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Notation in 3264 and all that algebraic geometry

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#algebraic-geometry #intersection-theory
87
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How do we get empty fiber over $\infty$?

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#algebraic-geometry #intersection-theory
338
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Mapping Tori and Monodromy

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#algebraic-geometry #algebraic-topology #fiber-bundles #fibration
338
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Exact sequence on the level of Chow group

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#algebraic-geometry #intersection-theory
368
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Alternative way of calculating the intersection number on a surface

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#algebraic-geometry #surfaces #schemes #intersection-theory
1.4k
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Why is the Weil restriction of the multiplicative group a torus?

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#algebraic-geometry #algebraic-number-theory
717
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Double Cover Map of Hyperelliptic Curve is Unique

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#algebraic-geometry #complex-geometry #algebraic-curves #riemann-surfaces
157
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Support of structure sheaf

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#algebraic-geometry #commutative-algebra #schemes
341
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Deciding whether the maximal ideal $\mathfrak{m}R_\mathfrak{m}$ is generated by two elements

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#abstract-algebra #algebraic-geometry #ring-theory #commutative-algebra #localization
62
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Unipotent group action on a projective variety

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#algebraic-geometry #lie-groups #algebraic-groups
2.1k
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What is the relationship between local ring and localization?

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#abstract-algebra #algebraic-geometry #commutative-algebra
103
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Why $ S^{-1}R $ is local if and only if the saturation of $ S $ (set of divisors of elements of $ S $) is the complement of a prime ideal?

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#abstract-algebra #algebraic-geometry #commutative-algebra

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