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zo0x
  • Member for 10 years, 6 months
  • Last seen more than 1 year ago
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7 votes
0 answers
679 views

Lower bound for $ F(z) = \sum_{n=1}^\infty d(n)z^n $ near radius of convergence.

4 votes
1 answer
636 views

If $ \Omega $ is a bounded domain, is a $ BV(\Omega) $ function also $ L^\infty(\Omega) $?

3 votes
1 answer
786 views

Representations of the dual space of a Hilbert space

3 votes
2 answers
346 views

Under what restrictions do piecewise continuous functions in higher dimensions form vector spaces?

3 votes
1 answer
672 views

How do I go about proving da db/a^(-2) is a left Haar measure on the affine group?

3 votes
1 answer
220 views

Where does the name "tracking type problem" come from?

2 votes
2 answers
125 views

Prove that $ 0 \leq B^T(C+B\mathcal{I}_V^{-1}B^T)^{-1}B \leq \mathcal{I}_V $

2 votes
1 answer
437 views

Fréchet derivative of square root as a map from L1 to L2

2 votes
1 answer
134 views

$f,g$ continuous maps. $f = g$ a.e. equal, is $f = g$ on a locally compact group?

2 votes
0 answers
28 views

Prove surjectivity of $ \alpha \mapsto (x\mapsto S(\alpha x)) $ by construction.

2 votes
1 answer
499 views

Why does shifting the integration line from the real-axis not affect the integral $ \int_{-\infty}^\infty e^{-x^2} dx $? [duplicate]

1 vote
0 answers
30 views

If $ \|G(x+ty)\|<\|G(x)\| $, is then $ \|G(x) + tG'(x)[y]\| <\|G(x)\| $?

1 vote
1 answer
61 views

Is the sums of sqaures (without zero) a multiplicative group?

0 votes
1 answer
206 views

Is every element in a finite splitting field K over F a root in a polynomial?

0 votes
1 answer
426 views

Fréchet derivative of a smooth $ \mathbb{R}^3 \to \mathbb{R} $ mapping lifted to Banach spaces.

0 votes
0 answers
654 views

Sobolev embeddings for fractional order spaces

0 votes
1 answer
492 views

How strong is a weak equality?