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Feb
8
revised Does zero-kernel imply monic in Abelian categories?
edited tags
Feb
3
revised Grothendieck Topology on the Category of Elements
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Feb
3
revised category of sheaves over an object
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Feb
2
revised Is the existence of finite biproducts a strengthening of commutativity?
added 12 characters in body
Jan
31
revised Which maps on the zeroth homology do actually come from continuous maps?
added 6 characters in body
Jan
23
revised $\mathfrak{Top}$ and injective objects
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Jan
17
revised Abelian categories with tensor product
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Jan
15
revised Demonstrate currying via homomorphism
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Jan
14
revised Constant presheaf is not a sheaf
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Jan
12
revised Frobenius map in scheme theory
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Jan
12
revised Show that function $f: A \to B$ is surjective when there is an implication: $g \circ f = h\circ f \to g=h$
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Jan
8
revised Is there a multiple function composition operator?
added 16 characters in body
Jan
8
revised Betti number and the homology class - what determines the coefficient $Q$?
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Jan
7
revised Module of differentials in the functorial approach to schemes and quasi-coherent modules
deleted 8 characters in body
Jan
5
revised mapping cone and cylinder
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Jan
5
revised Precomposing a rational function $f$ with a birational isomorphism $g$ to make $f\circ g$ regular?
added 33 characters in body
Jan
5
revised What is the algebraic tangent cone really?
added 12 characters in body
Dec
26
revised The $C^k$ Sheaves
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Dec
24
revised Closed immersions are stable under base change
added 47 characters in body
Dec
24
revised What's the category-theoretical existence proof, and name, for this morphism?
added 30 characters in body