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Top Questions
14
votes
Is diagonalizability a local property?
ac.commutative-algebra
asked Jun 8 at 8:12
mathoverflow.net
9
votes
Certain property of the least common multiple of three integers
nt.number-theory
asked Nov 15, 2021 at 15:09
mathoverflow.net
5
votes
how to prove that the ring of algebraic integers of $\mathbb Q(\sqrt {69})$ is a PID or UFD
algebraic-number-theory
euclidean-domain
asked May 9, 2017 at 13:06
math.stackexchange.com
5
votes
Is a subset of $\mathbb R^2$ homeomorphic to an open subset of $\mathbb R^2$ an open subset?
general-topology
asked Jul 13, 2018 at 15:18
math.stackexchange.com
5
votes
For a family of short exact sequences of coherent sheaves, can we define the splitting subscheme?
algebraic-geometry
schemes
exact-sequence
coherent-sheaves
asked Apr 17, 2022 at 16:49
math.stackexchange.com
Top Answers
5
Why this weird definition of conditional expectation?
math.stackexchange.com
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mathoverflow.net
math.stackexchange.com