List questions from solution-verification

Published on 25 Mar 2026 - 19:02

184

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C$([0,1])$ does not admit an inner product.

Published on 12 Apr 2026 - 20:07

40

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Show that $\varphi(x)=x(1)+x(2)$ and $ \psi(x)=\sum\limits_{n=1}^\infty\frac{x(k)}{k}$ are continuos and linear

Published on 15 Apr 2026 - 0:32

68

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Find $3 \log(\sqrt{x}\log x) = 56, \log_{\log (x)}(x) = 54$ in base $b$

Published on 16 Apr 2026 - 20:57

46

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how to solve $f(y)u_x+u_y = cu$ where $u(x,0) = g(x)$?

Published on 14 Apr 2026 - 3:34

254

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Cauchy sequences and completness of formal power series

Published on 16 Apr 2026 - 20:41

98

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Show w is orthogonal to line

Published on 16 Apr 2026 - 21:14

230

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Solve for angle $x$ in a scalene triangle

Published on 13 Apr 2026 - 11:23

17

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Checking my understanding: $\gamma$ Gaussian on $X$ implies that $X^\ast \subset L^2(\gamma)$?

Published on 13 Apr 2026 - 9:53

77

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Maximum number of vertices in a connected graph

Published on 16 Apr 2026 - 9:33

45

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Existence of solution of coupled PDE system

Published on 11 Apr 2026 - 4:00

65

Views

Are two finite-dimensional subspaces not disjoint iff the union of any of their bases is linearly dependent?

Published on 26 Mar 2026 - 1:12

65

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Showing that a proper algebraic subset of $k^1$ is closed iff it's finite.

Published on 14 Apr 2026 - 11:34

147

Views

Show pointwise and uniform convergence on an example

Published on 13 Apr 2026 - 21:57

124

Views

An exercise on a function $f$ satisfying $f(x+y)=f(x)+f(y)$

Published on 28 Apr 2026 - 16:35

List Question

Prime Ideal Theorem implies Hahn Banach Theorem

C$([0,1])$ does not admit an inner product.

Show that $\varphi(x)=x(1)+x(2)$ and $ \psi(x)=\sum\limits_{n=1}^\infty\frac{x(k)}{k}$ are continuos and linear

Find $3 \log(\sqrt{x}\log x) = 56, \log_{\log (x)}(x) = 54$ in base $b$

how to solve $f(y)u_x+u_y = cu$ where $u(x,0) = g(x)$?

Cauchy sequences and completness of formal power series

Show w is orthogonal to line

Solve for angle $x$ in a scalene triangle

Checking my understanding: $\gamma$ Gaussian on $X$ implies that $X^\ast \subset L^2(\gamma)$?

Maximum number of vertices in a connected graph

Existence of solution of coupled PDE system

Are two finite-dimensional subspaces not disjoint iff the union of any of their bases is linearly dependent?

Showing that a proper algebraic subset of $k^1$ is closed iff it's finite.

Show pointwise and uniform convergence on an example

An exercise on a function $f$ satisfying $f(x+y)=f(x)+f(y)$

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