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Top Questions
10
votes
The spectrum of an unbounded operator
functional-analysis
operator-theory
spectral-theory
asked Sep 12 '12 at 13:03
math.stackexchange.com
6
votes
If $f(x)+f'(x)-\frac{1}{x+1}\int_{0}^{x}f(t)dt=0$ and $f(0)=0$, then what is $f'(x)$?
calculus
differential-equations
integral-equations
asked Jan 9 at 10:57
math.stackexchange.com
5
votes
$e^{iBt}e^{-iAt}$converges as operator norm
functional-analysis
asked Mar 3 at 12:41
math.stackexchange.com
Top Answers
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