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Mathematics
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Niser
  • Member for 1 year, 5 months
  • Last seen more than a month ago
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Posts
33
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2
Posts
33
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Posts
33
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Top posts
3
Does $\sum_{j=1,j\neq k}^n\frac{z_k}{z_k-z_j}=\sum_{j=1,j\neq m}^n\frac{z_m}{z_m-z_j}$ implies the $(z_j)_{j=1,...,n}$ are the nth roots of $z_1^n$?
Mar 2, 2023
3
Inequalities in the $H^s$ norm
Sep 25, 2023
2
Does the sum $\sum_{j=1}^n a_{ij}(x_i-x_j)=0$, for all $i=1,...,n$, where $a_{ji}=a_{ij}\neq 0$ implies that the $x_i=x_j$ for all $i,j$?
Mar 2, 2023
0
Perturbation of a maximal dissipative operator by a non-negative self-adjoint operator.
Jul 6, 2023
0
Convergence/Divergence of Infinite Series $\sum_{n=1}^{\infty} \frac{2n+\sqrt{n}}{n^3+\sqrt{n}}$
Mar 2, 2023
0
Perturbation of a maximal dissipative operator by a non-negative self-adjoint operator.
Jul 11, 2023
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Is it physically relevant to restrict the solution of a nonlinear PDE to positive frequencies in the Fourier transfrom?
5
Can I submit a paper to arXiv when it is still pending on Hal, and waiting to be transferred from HAL to arXiv?