Mathematics
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jim
  • Member for 11 years, 2 months
  • Last seen more than 9 years ago
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All Questions Answers
Score Newest
answer
24
Are normal subgroups transitive?
Dec 10, 2012
question
22
Cantor set + Cantor set =$[0,2]$
Feb 20, 2013
answer
19
Prove that $x = 2$ is the unique solution to $3^x + 4^x = 5^x$ where $x \in \mathbb{R}$
Jan 7, 2013
answer
13
Solve equations $\sqrt{t +9} - \sqrt{t} = 1$
May 22, 2013
question
11
set of all holomorphic functions is a integral domain
Mar 5, 2013
answer
11
Closed subsets $A,B\subset\mathbb{R}^2$ so that $A+B$ is not closed
Oct 18, 2012
question
9
If $f^2$ is an analytic function then so is $f$
Feb 18, 2013
answer
8
What Möbius transformation maps the unit circle $\{z: |z|=1\}$ to the real axis?
Mar 19, 2013
answer
8
What are the strategies I can use to prove $f^{-1}(S \cap T) = f^{-1}(S) \cap f^{-1}(T)$?
Nov 4, 2012
answer
7
Prove or disprove: If $x^T A x = 0 $ for all $x$, then $ A = 0 $.
Mar 15, 2013

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