Question: 2.27

Hint. Firstly take a = a( x, y) and b = b( x, y) i...

Question: 12.23

Let us define
K(x)=\int_{ \mathbf{R} ^{n-1}...

Question: 12.14

a) Let \varphi \in \mathcal {D} ( \mathbf{R...

Question: 12.20

a) There exist M > 0 and a < n such that
[la...

Question: 12.18

Let us note first that E from (12.36) is a locally...

Question: 12.17

a) Since we have |f(z)|=\frac{1}{\pi} \cdot...

Question: 12.15

a) Firstly we find the distributional derivatives ...

Question: 12.10

a) Let y \in \mathcal {D} ^{\prime}( \mathb...

Question: 12.9

Clearly it is enough to prove part a). To that end...

Question: 12.8

a) Let us us start from the sequence of functions ...

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