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William Sun's user avatar
William Sun's user avatar
William Sun
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4
Finite type injective ring map between domains preserves the open point $(0)$
Apr 9, 2023
answer
2
Examples of common false beliefs in mathematics
Aug 8, 2023
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11
Proof that if $x,y>0$ and $x+y=1$, then $(2x)^{\frac 1 x}+(2y)^{\frac 1 y}\leq 2$
9
Can we extend a linearly independent list in a f.g. module of a commutative ring?
9
Group isomorphism $h:(\mathbb R,+)\to (\mathbb R^+,\times)$ that is not an exponential function.
9
Proof that if $x,y>0$ and $x+y=1$, then $(2x)^{\frac 1 x}+(2y)^{\frac 1 y}\leq 2$
7
Surjective Endomorphism of Finitely Generated Modules.