jim

Member for 11 years, 1 month
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group-theory

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Are normal subgroups transitive?

Dec 10, 2012

Prove that $x = 2$ is the unique solution to $3^x + 4^x = 5^x$ where $x \in \mathbb{R}$

Jan 7, 2013

Solve equations $\sqrt{t +9} - \sqrt{t} = 1$

May 22, 2013

Closed subsets $A,B\subset\mathbb{R}^2$ so that $A+B$ is not closed

Oct 18, 2012

What are the strategies I can use to prove $f^{-1}(S \cap T) = f^{-1}(S) \cap f^{-1}(T)$?

Nov 4, 2012

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Cantor set + Cantor set =$[0,2]$

Feb 20, 2013

set of all holomorphic functions is a integral domain

Mar 5, 2013

If $f^2$ is an analytic function then so is $f$

Feb 18, 2013

splitting field of $(x^3-2)(x^3-3)$ over $\mathbb Q$

Jun 3, 2013

Question from Artin's algebra book

Jan 22, 2013

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