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Jan
  • Member for 4 years, 4 months
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  • Deutschland
7 votes
1 answer
448 views

Property of prime divisors in group theory

5 votes
1 answer
155 views

Interchanging an integrand and a measure

3 votes
1 answer
179 views

Second order linear inhomogeneous ODE with characteristic function

3 votes
1 answer
206 views

Probability and expected value of uniform random variables sum

3 votes
1 answer
86 views

Mistake in calculating Green's function

2 votes
1 answer
180 views

Extrema where the constraint is not tangent to the level curve

2 votes
1 answer
114 views

Concrete counterexample for norms on quotient spaces

2 votes
1 answer
97 views

Convergence of positivity preserving operators

2 votes
1 answer
258 views

Lipschitz continuity of $e^{\sin}$

2 votes
1 answer
387 views

Differentiating an ODE

2 votes
3 answers
126 views

On the Differentiability of $f(x) = \sqrt[3]x$ at $x=0$

1 vote
1 answer
49 views

If $0 \in \sigma(N)$ and $A = NN^\ast$, then $0 \in \sigma(A)$.

1 vote
5 answers
318 views

integral $ \int_0^{\frac{\pi}{3}}\mathrm{ln}\left(\frac{\mathrm{sin}(x)}{\mathrm{sin}(x+\frac{\pi}{3})}\right)\ \mathrm{d}x$

0 votes
2 answers
95 views

Space is Banach if space of bounded sequences is Banach