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Hailong Dao
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I enjoy thinking about questions in commutative algebra which have connections to neighboring fields.

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Questions, answers, comments or discussions on aspects of politics relevant to mathematicians on MathOverflow (main or meta)
Aug 19 '20
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Scope and mission of MathOverflow
Jan 9 '21
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Finding previously highly active deleted users
Sep 26 '21
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How to find ICM talks?
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Irreducibility of polynomials in two variables
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What is the insight of Quillen's proof that all projective modules over a polynomial ring are free?
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Serre's FAC in English
47
Do all exact $1 \to A \to A \times B \to B \to 1$ split for finite groups?

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