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Feb
25
accepted The bijection between homogeneous prime ideals of $S_f$ and prime ideals of $(S_f)_0$
Feb
14
accepted The subcomplex of degenerate simplices has trivial homology
Dec
26
accepted Image factorisation in pointed categories
Dec
18
accepted In what senses are archimedean places infinite?
Dec
13
accepted Exact sequences with parallel arrows
Nov
22
accepted How do we glue splittings together?
Nov
15
accepted Does localisation commute with Hom for finitely-generated modules?
Nov
10
accepted Finite flat algebras over Noetherian domains
Nov
9
accepted Geometric invariants of a scheme
Oct
25
accepted Why does $M \mathbin{\otimes_R} N \cong M_\mathfrak{p} \mathbin{\otimes_{R_\mathfrak{p}}} N$?
Oct
23
accepted Proving the snake lemma without a diagram chase
Aug
20
accepted Examples of surjective sheaf morphisms which are not surjective on sections
Aug
13
accepted Tensor products of infinite-dimensional spaces and other objects
Aug
6
accepted Sheaf cohomology: what is it and where can I learn it?
Jul
5
accepted $\operatorname{height} \mathfrak{p} + \dim A / \mathfrak{p} = \dim A$
Jun
9
accepted The Laplace transform of the first hitting time of Brownian motion
Jun
4
accepted A proof of the Riesz representation theorem
Jun
2
accepted Strong and weak convergence in $\ell^1$
May
24
accepted (Ir)reducibility criteria for homogeneous polynomials
May
20
accepted When does pointwise convergence imply uniform convergence?