List questions from solution-verification

Published on 14 Apr 2026 - 11:43

32

Views

Count of x in interval [l; r]

Published on 14 Apr 2026 - 1:50

109

Views

Question on a proof that a space of linear map between normed spaces is a Banach space when the arrival space is a Banach space

Published on 13 Apr 2026 - 3:28

93

Views

Is induction really required to prove this?

Published on 12 Apr 2026 - 13:24

58

Views

If $\overline A$ is compact, then $\overline A=\overline A^w$

Published on 15 Apr 2026 - 7:29

196

Views

Prove or disprove that $\forall x \in\mathbb{R}, \lfloor x^2 \rfloor = \lfloor x \rfloor^2$

Published on 17 Apr 2026 - 1:19

24

Views

Portemanteau lemma proof with rate of convergence

Published on 12 Apr 2026 - 4:01

21

Views

No filter generated by a described family with the SFIP can be ultrafilter

Published on 14 Apr 2026 - 3:26

42

Views

Are there at least $|V|$ Eulerian tours in $G$ if $G$ is even degree and connected? (My proof)

Published on 11 May 2026 - 5:45

69

Views

prove $f:\mathbb{Z}^+\times\mathbb{Z}^+\to\mathbb{Z}^+$ defined by $f(i,j)=\frac{(i+j-2)(i+j-1)}{2}+i$ is bijective.

Published on 12 Apr 2026 - 12:30

180

Views

Why is $C^\infty(\Omega)$ complete?

Published on 15 Apr 2026 - 23:49

210

Views

Why does $C^\infty(\Omega)$ have the Heine-Borel property?

Published on 12 Apr 2026 - 20:28

66

Views

Proof that if gcd(a, b) = 1, then lcm(a, b) = ab

Published on 11 Apr 2026 - 13:07

109

Views

How to calculate the maximum and minimum values for a piecewise function?

Published on 13 Apr 2026 - 7:43

65

Views

Riemann integral of a function nonzero at countable points is zero

Published on 13 Apr 2026 - 19:31

List Question

P2 italian math olympiad 2019

Count of x in interval [l; r]

Question on a proof that a space of linear map between normed spaces is a Banach space when the arrival space is a Banach space

Is induction really required to prove this?

If $\overline A$ is compact, then $\overline A=\overline A^w$

Prove or disprove that $\forall x \in\mathbb{R}, \lfloor x^2 \rfloor = \lfloor x \rfloor^2$

Portemanteau lemma proof with rate of convergence

No filter generated by a described family with the SFIP can be ultrafilter

Are there at least $|V|$ Eulerian tours in $G$ if $G$ is even degree and connected? (My proof)

prove $f:\mathbb{Z}^+\times\mathbb{Z}^+\to\mathbb{Z}^+$ defined by $f(i,j)=\frac{(i+j-2)(i+j-1)}{2}+i$ is bijective.

Why is $C^\infty(\Omega)$ complete?

Why does $C^\infty(\Omega)$ have the Heine-Borel property?

Proof that if gcd(a, b) = 1, then lcm(a, b) = ab

How to calculate the maximum and minimum values for a piecewise function?

Riemann integral of a function nonzero at countable points is zero

Trending Questions

Popular # Hahtags

Popular Questions