Mathematics
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Peter's user avatar
Peter's user avatar
Peter
  • Member for 9 years, 4 months
  • Last seen more than 4 years ago
  • Toronto, Canada
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41
answers
60
questions
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40
Score
48
Posts
48
Posts %
16
Score
7
Posts
7
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14
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11
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11
Posts %
13
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10
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10
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7
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10
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10
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7
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9
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9
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Top posts
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All Questions Answers
Score Newest
answer
40
Is $\sum_{n=1}^\infty \frac{\sin(2n)}{1+\cos^4(n)}$ convergent?
Sep 9, 2014
answer
14
$e_n \to 0$ weakly in $l^\infty$
Nov 19, 2014
question
13
Norm of self-adjoint operator
Jul 7, 2014
answer
10
Easy Proof Adjoint(Compact)=Compact
May 13, 2015
question
10
$e_n \to 0$ weakly in $l^\infty$
Nov 17, 2014
answer
8
If $(x-a)^2=(x+a)^2$ for all values of $x$, then what is the value of $a$?
Sep 17, 2015
question
7
Compactness Sobolev embedding for radial functions on $\mathbb{R}^N$
Feb 20, 2015
question
6
Selfadjointness of Coulomb Hamiltonian in $d\geq3$ dimensions
Jan 24, 2014
answer
6
Help with solving $x^2-1= \frac{1}{x^2}$
Feb 13, 2015
question
6
Subspaces of same finite codimension are isomorphic
Nov 6, 2014
Top network posts
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13
Position operator in QFT
13
$\frac{d}{dt} (A+t B)^p\,\text{ for } p\geq 1$
7
Every self-adjoint trace class operator on $L^2$ has integral kernel
5
Lieb: Stability of matter, problem with variational method

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