User Svetoslav

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Greens first identity

answered Feb 14, 2016 at 16:05

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System of trignometric equations.

answered Feb 14, 2016 at 22:14

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Nonlinear contraction on Hilbert space

answered Feb 15, 2016 at 1:37

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Finite Elements : Poisson Problem homogeneous Dirichlet boundary conditions

answered Mar 2, 2016 at 16:46

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$\overline{B}_{1}(\textbf{0})$ complete $\iff (X,\|\cdot\|)$ Banach

answered Mar 8, 2016 at 18:11

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Showing continuity of an operator from $L^p$ to $L^q$

answered Feb 26, 2016 at 14:43

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Contractive Operators on Compact Spaces

answered Mar 5, 2016 at 13:14

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Equation demonstration

answered Mar 4, 2016 at 15:52

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Lax Milgram, prove continuity for $a : {W^{2,2}(I)} \times {W^{2,2}(I)} \rightarrow\mathbb{R}$

answered Mar 16, 2016 at 17:57

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Convexity of distance function

answered Mar 20, 2016 at 13:51

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The unique extension by continuity of a bounded linear functional from a dense subspace to the whole space

answered Sep 19, 2016 at 18:01

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Factor space norm calculation when the subspace is finite-dimensional

answered Mar 12, 2016 at 21:23

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I would like to find the inverse of $X$

answered Mar 12, 2016 at 18:43

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Composition of a weakly convergent sequence with a nonlinear function

answered Mar 10, 2016 at 17:04

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$u_m\rightharpoonup u$ in $L^2(0,T;H)$ and $u'_m\rightharpoonup v$ in $L^2(0,T,H^*) \longrightarrow u'=v$

answered Mar 7, 2016 at 11:13

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Boundedness of the norms of a sequence in $l^p$

answered Feb 25, 2016 at 16:36

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Uniform convergence of $\frac{n^2\sin(x)}{1+n^2x}$

answered Mar 1, 2016 at 18:23

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Show a bound on the error

answered Feb 15, 2016 at 14:28

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PDE: How to show that this function is the zero function?

answered Mar 2, 2016 at 22:37

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Finite Element Theorem help

answered Feb 16, 2016 at 15:53

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How do I get $\|x\|\le C\|y\|$ in this case?

answered Feb 11, 2016 at 12:33

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How do I get $\|x\|\le C\|y\|$ in this case?

answered Feb 11, 2016 at 13:07

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Prove that $f(n) =\frac{(n+1)^n}{n^{n+1}}$ is Monotonic

answered Feb 7, 2016 at 16:07

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Proving weak coercivity by young's and interpolation inequalities

answered Feb 13, 2016 at 22:21

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Lebesgue integral/measure issue

answered Oct 9, 2015 at 15:16

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A Positively definite matrix, then $c_1\|x\| \leqslant \|Ax\| \leqslant c_2\|x\|$

answered Oct 15, 2015 at 10:37

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If $\lim_{n \to \infty}2^n|a_{n+1}-a_n|=L>0$ then $a_n$ converges

answered Oct 25, 2015 at 15:26

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Convergent sequences out of bounded sequences

answered Feb 5, 2016 at 16:56

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Prove that $\vec{v}-\vec{w}$ and $\vec{v}+\vec{w}$ are perpendicular if and only if $\| \vec{v} \|=\|\vec{w}\|$

answered Jan 31, 2016 at 17:52

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Does $Ax=b$ have a solution for every vector $b$ in $\mathbb{R}^3$

answered Feb 3, 2016 at 1:42

Stack Exchange Network

175 Answers

Greens first identity

System of trignometric equations.

Nonlinear contraction on Hilbert space

Finite Elements : Poisson Problem homogeneous Dirichlet boundary conditions

$\overline{B}_{1}(\textbf{0})$ complete $\iff (X,\|\cdot\|)$ Banach

Showing continuity of an operator from $L^p$ to $L^q$

Contractive Operators on Compact Spaces

Equation demonstration

Lax Milgram, prove continuity for $a : {W^{2,2}(I)} \times {W^{2,2}(I)} \rightarrow\mathbb{R}$

Convexity of distance function

The unique extension by continuity of a bounded linear functional from a dense subspace to the whole space

Factor space norm calculation when the subspace is finite-dimensional

I would like to find the inverse of $X$

Composition of a weakly convergent sequence with a nonlinear function

$u_m\rightharpoonup u$ in $L^2(0,T;H)$ and $u'_m\rightharpoonup v$ in $L^2(0,T,H^*) \longrightarrow u'=v$

Boundedness of the norms of a sequence in $l^p$

Uniform convergence of $\frac{n^2\sin(x)}{1+n^2x}$

Show a bound on the error

PDE: How to show that this function is the zero function?

Finite Element Theorem help

How do I get $\|x\|\le C\|y\|$ in this case?

How do I get $\|x\|\le C\|y\|$ in this case?

Prove that $f(n) =\frac{(n+1)^n}{n^{n+1}}$ is Monotonic

Proving weak coercivity by young's and interpolation inequalities

Lebesgue integral/measure issue

A Positively definite matrix, then $c_1\|x\| \leqslant \|Ax\| \leqslant c_2\|x\|$

If $\lim_{n \to \infty}2^n|a_{n+1}-a_n|=L>0$ then $a_n$ converges

Convergent sequences out of bounded sequences

Prove that $\vec{v}-\vec{w}$ and $\vec{v}+\vec{w}$ are perpendicular if and only if $\| \vec{v} \|=\|\vec{w}\|$

Does $Ax=b$ have a solution for every vector $b$ in $\mathbb{R}^3$