Keenan Kidwell

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6,844 reputation
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location Austin, TX
age 26
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Graduate student at UT Austin.


6,844 Reputation

graph time post
30 May 16
-20 May 15
+55 18:27 5 events Hilbert space with all subspaces closed
+35 13:10 3 events Haar measure $\tau$-additive?
+10 11:47 upvote Show field of fractions is finite extension of $\mathbb{Q}$
-120 03:00 reversal Serial upvoting reversed
36 May 14
+40 23:26 4 events Show field of fractions is finite extension of $\mathbb{Q}$
+35 15:18 3 events On the definition of divisors in Riemann Surfaces
+25 00:15 2 events Automorphism of $K$ extending to $K[x_1,\dots,x_n]$.
+10 06:08 upvote Tensor products of fields
+10 06:08 upvote Why are quotient modules $M / \mathfrak{m}M$ over residue fields $A / \mathfrak{m}$ considered for local rings rather than general rings?
+10 06:08 upvote Is $(R_S)_{\mathfrak{p}R_S}$ isomorphic to $R_{\mathfrak{p}}$?
+10 06:08 upvote Does $\operatorname{Spec}(B/\mathfrak{p}^e)=\operatorname{Spec}((A/\mathfrak{p}) \otimes_A B)$?
+10 06:08 upvote $H^1$ with values in $\mathbb Q/\mathbb Z$
+10 06:08 upvote Tensor product $\mathbb{R}{\otimes}_{\mathbb{Q}}\mathbb{R}$
+10 06:07 upvote Krull Dimension of a scheme
+10 06:07 upvote Embedding elliptic curves into the general linear group
+10 06:07 upvote Lift a variety over a number field to the complex numbers
+10 06:07 upvote Closed points of a scheme correspond to maximal ideals in the affines?
+10 06:07 upvote Separated schemes
+10 06:07 upvote The image of a proper scheme is closed
06:11 upvote Is the localization of such a Noetherian domain at every maximal ideal Artinian?
06:10 upvote Are rings with the same finite cardinality isomorphic?
06:10 upvote Intuition on base change of schemes
06:10 upvote Tensor product of two vector spaces
06:10 upvote Definition of $\text{GL}(n,R)$
06:10 upvote Unramified extensions, inertia groups and decomposition fields.
06:10 upvote Finding a presentation of $A$-algebra $B$
06:10 upvote An amateur doubt in Galois theory
06:09 upvote Example of a non-Noetherian complete local ring
06:09 upvote Unramified extension is normal if it has normal residue class extension
06:09 upvote Discrete valuation ring associated with a prime ideal of a Dedekind domain
06:09 upvote Is the dualizing functor $\mathcal{Hom}( \cdot, \mathcal{O}_{X})$ exact?
06:09 upvote Yoneda's Lemma and Limits
06:09 upvote Is a submodule of a flat module flat?
06:09 upvote Generators of a finitely generated free module over a commutative ring
06:09 upvote Which field is this quotient of a local ring by its maximal ideal?
06:09 upvote is the idele class group a flat Z-module?
06:09 upvote How to show that topological groups are automatically hausdorff?
-184 03:00 reversal Serial upvoting reversed
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