List questions from proof-verification

Published on 15 Apr 2026 - 4:11

56

Views

Showing that $\sup(A\cdot B) = \sup(A)\cdot\sup(B)$ for $A$ and $B$ subsets of non-negative reals

Published on 15 Apr 2026 - 21:45

220

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Is the problem well conditioned or not $x=1-e^p$.

Published on 25 Mar 2026 - 3:34

29

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Determine the convergence or divergence of $\sum\limits_{n =1}^{\infty} \left(n^{\frac{1}{n^2+2n+1}}-1\right) $.

Published on 16 Apr 2026 - 3:03

34

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Choosing weights of assignments to ensure that some particular students fail, while some other pass.

Published on 13 Apr 2026 - 0:37

239

Views

Check my proof that a monotone function has one-sided limits at any point

Published on 14 Apr 2026 - 8:02

385

Views

Graph parameter corresponding to a linear integer program

Published on 14 Apr 2026 - 22:00

442

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Proof verification that the sequence $x_n = \frac{1}{n}$ converges to every point of $\mathbb{R}$ on the cofinite topology

Published on 16 Apr 2026 - 5:27

656

Views

Check my proof of 0 < |r - q| < epsilon. (Real # - Rational #)

Published on 17 Apr 2026 - 12:06

76

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Probability proof. Check my answer?

Published on 15 Apr 2026 - 14:56

1k

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Prove $|f^{(n)}(z_0)|\leq Mn!/R^n$, where $|f(z)| = M$

Published on 16 Apr 2026 - 17:11

3.2k

Views

If $n$ is divisible by 6, then $n$ is divisible by 3

Published on 10 Apr 2026 - 17:40

114

Views

Prove that $(1/n^n)\leq(1/n!)$ for every $n\geq1$

Published on 16 Apr 2026 - 12:09

208

Views

Limit point alternative definition

Published on 09 Apr 2026 - 10:34

835

Views

Solve the sum $\sum _{i=1}^4\:\sum _{j=1}^i\:\left(i\cdot \:j-1\right)$

Published on 16 Apr 2026 - 10:35

List Question

An invariant subspace of $\mathbb{F}^n$

Showing that $\sup(A\cdot B) = \sup(A)\cdot\sup(B)$ for $A$ and $B$ subsets of non-negative reals

Is the problem well conditioned or not $x=1-e^p$.

Determine the convergence or divergence of $\sum\limits_{n =1}^{\infty} \left(n^{\frac{1}{n^2+2n+1}}-1\right) $.

Choosing weights of assignments to ensure that some particular students fail, while some other pass.

Check my proof that a monotone function has one-sided limits at any point

Graph parameter corresponding to a linear integer program

Proof verification that the sequence $x_n = \frac{1}{n}$ converges to every point of $\mathbb{R}$ on the cofinite topology

Check my proof of 0 < |r - q| < epsilon. (Real # - Rational #)

Probability proof. Check my answer?

Prove $|f^{(n)}(z_0)|\leq Mn!/R^n$, where $|f(z)| = M$

If $n$ is divisible by 6, then $n$ is divisible by 3

Prove that $(1/n^n)\leq(1/n!)$ for every $n\geq1$

Limit point alternative definition

Solve the sum $\sum _{i=1}^4\:\sum _{j=1}^i\:\left(i\cdot \:j-1\right)$

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