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Mathematics
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Kenta S's user avatar
Kenta S's user avatar
Kenta S
  • Member for 9 years, 2 months
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A graduate student at Princeton.

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28
Is every group the unit group of some ring?
Sep 24, 2019
28
Cannot become ring because distribution law does not hold
Mar 21, 2022
20
An IMO 1984 longlisted problem
Oct 5, 2022
14
If a group has exactly two elements of the same order, the order is only 3, 4, or 6
Aug 20, 2024
11
Show that $M[x] \cong A[x] \otimes_{A} M.$
Feb 7, 2019
10
Evaluate $\displaystyle\int\limits_{-2}^{2}\frac{x^{4}}{1+6^{x}}dx$
May 20, 2020
10
What is the Prime at Infinity?
Aug 27, 2022
10
Morphisms to products and morphisms from coproducts
Dec 23, 2021
9
Is $\mathrm{Gal}(\overline{\mathbb Q}/\mathbb Q)\cong\mathrm{Spec}(\overline{\mathbb Q}\otimes\overline{\mathbb Q})$ a group scheme
Aug 22, 2022
9
Strengthening Ax-Grothendieck
Oct 31, 2022

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29
Can you make products of sets associative?
26
Can two drums almost sound the same?
19
Strengthening Ax-Grothendieck
12
Are these two representations of $SU(2)$ equivalent?
11
Trivial homomorphism from a non-abelian group to an abelian group