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2d
revised Colimit in the category of (all) simply transitive group actions
deleted 146 characters in body
Dec
12
revised What is the name of this letter?
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Dec
12
revised Module of differentials in the functorial approach to schemes and quasi-coherent modules
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Dec
7
revised Proving distributivity of Heyting algebras with the Yoneda lemma.
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Dec
7
revised Model structure on sSet
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Dec
6
revised Model structure on sSet
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Dec
4
revised Model structure on sSet
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Nov
29
revised an example of the Scott topology
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Nov
27
revised Uniqueness of the long exact sequence in homology
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Nov
25
revised Euler characteristic, genus and cohomology: a deep connection?
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Nov
25
revised Existence of projectives in the category of torsion abelian groups
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Nov
23
revised Is the Zariski Topology
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Nov
16
revised underlying set of direct limit not the direct limit of underlying sets
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Nov
11
revised Bousfield–Kan spectral sequence for homotopy colimits
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Nov
7
revised Three meanings of étale sheaf on X
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Oct
31
revised How much set theory does the category of sets remember?
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Oct
23
revised Colored operads as finitely essentially algebraic theory.
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Oct
15
revised Hurewicz model structure and cofibrantly generated model categories
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Oct
7
revised Axioms of Abelian Category
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Oct
5
revised prove that $D_8 \cong C_2 \wr C_2$ .
added 54 characters in body; edited title