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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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created yesterday
created Jan 11 at 20:51
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created Jan 5 at 10:39
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created Jan 3 at 1:48
For questions involving Polish spaces, that is, separable and completely metrizable topological spaces.
created Dec 26 '18 at 20:09
For questions involving subsets having the Baire property.
created Dec 26 '18 at 20:09
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the study of flag varieties, which are quotients of algebraic groups (usually complex semisimple, but sometimes over the real numbers or even finite fields) by parabolic subgroups…
created Dec 25 '18 at 11:39
created Dec 22 '18 at 8:57
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Questions regarding the Hahn-Banach Theorem.
created Dec 17 '18 at 15:20
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a software system devoted to supporting research in algebraic geometry and commutative algebra.
created Dec 8 '18 at 13:26