We suggest an extremely short proof of Ball's lemma by means of harmonic analysis only.
|Translated title of the contribution||Ball's lemma as an exercise|
|Number of pages||3|
|State||Published - 2021|
Bibliographical notePublisher Copyright:
© 2021 State Lev Tolstoy Pedagogical University. All rights reserved.
- Babenko-Beckner constant
- Ball's lemma
- Fourier transform
- Hausdorff-Young inequality