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1d
revised Question on calculating hypercohomology
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2d
revised When is a fully faithful functor an equivalant functor?
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Jul
15
revised Homotopy limits
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Jul
8
revised Mathematical background for TQFT
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Jul
8
revised Being smooth homotopic relation: proof
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Jun
24
revised Naturality in Yoneda's Lemma
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Jun
24
revised Is there such a thing as 'overtification' (dual to compactification)?
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Jun
21
revised Abstract proof that internal hom presheaf is a sheaf
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Jun
16
revised Presheaves in a quasi-topos.
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Jun
13
revised (Certain) colimit and product in category of topological spaces
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Jun
13
revised Exact sequence of sheaves of holomorphic functions
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Jun
11
revised Is there a (hypercomplex) number system, in which addition is **not** commutative
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Jun
10
revised Splitting fields and isomorphic
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Jun
10
revised Is there way to formalize the idea that a category can be “cocomplete from the inside”?
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Jun
6
revised Prove that $X^{\phi{(n)}}-[1]$ has exactly $\phi{(n)}$ roots in $\mathbf{Z} / n \mathbf{Z}$.
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Jun
5
revised Subtle aspect of closed subscheme
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Jun
3
revised Origins of the name “Q” and “R” for cofibrant and fibrant replacement functors.
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Jun
2
revised Well-definedness of a coboundary map between a reduced $L^2$ de Rham cohomology group and a relative cohomology group
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Jun
1
revised In the definition of $n$-equivalence, what is the motivation for only requiring surjectivity on the $n$th dimension.
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May
28
revised What axiom allow the construction of a set using the following notation $\{ x : P(x)\}$, where $P(x)$ is a statement about $x$?
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