List questions from proof-verification

Published on 27 Mar 2026 - 2:22

199

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If the product topology is connected, then the original topology is connected

Published on 24 Mar 2026 - 23:48

677

Views

sequence of polynomials converging uniformly

Published on 27 Mar 2026 - 11:52

61

Views

Is this set theory proof valid?

Published on 07 Mar 2018 - 0:56

199

Views

Proving a subset of $\mathbb{R}^2$ is an open subset.

Published on 07 Mar 2018 - 4:21

97

Views

Is my proof correct for scaling of limits?

Published on 25 Mar 2026 - 1:27

76

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Is my proof correct for summing of limits?

Published on 25 Mar 2026 - 1:26

1.6k

Views

Showing that the Hilbert-Schmidt integral operator is compact.

Published on 25 Mar 2026 - 6:10

117

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Analysis Proof By Contradiction.

Published on 07 Mar 2018 - 7:55

467

Views

Is my limit quotient proof correct?

Published on 27 Mar 2026 - 12:56

1.7k

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If $\mathcal{L}\{f(t)\} = F(s)$, then $\lim_{s \to 0}sF(s) = \lim_{t\to +\infty } f(t)$. provided the limits exist.

Published on 26 Mar 2026 - 4:34

67

Views

If $a|b$, then why the gcd of $a$ and $b$ is $a$?

Published on 25 Mar 2026 - 6:29

1.3k

Views

Proving that if $a=bq+r$ then $(a,b)=(b,r)$

Published on 25 Mar 2026 - 9:37

67

Views

Is my product proof for limits correct?

Published on 27 Mar 2026 - 9:40

704

Views

How to prove $(x+y)^2\leq 2(x^2+y^2)$?

Published on 07 Mar 2018 - 14:57

List Question

Quadratic forms over complex numbers

If the product topology is connected, then the original topology is connected

sequence of polynomials converging uniformly

Is this set theory proof valid?

Proving a subset of $\mathbb{R}^2$ is an open subset.

Is my proof correct for scaling of limits?

Is my proof correct for summing of limits?

Showing that the Hilbert-Schmidt integral operator is compact.

Analysis Proof By Contradiction.

Is my limit quotient proof correct?

If $\mathcal{L}\{f(t)\} = F(s)$, then $\lim_{s \to 0}sF(s) = \lim_{t\to +\infty } f(t)$. provided the limits exist.

If $a|b$, then why the gcd of $a$ and $b$ is $a$?

Proving that if $a=bq+r$ then $(a,b)=(b,r)$

Is my product proof for limits correct?

How to prove $(x+y)^2\leq 2(x^2+y^2)$?

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