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Seminar on Analysis, Differential Equations and Mathematical Physics
27 мая 2021 г. 18:00–19:00, г. Ростов-на-Дону, online, cсылка на сайте семинара https://rmc.sfedu.ru/seminar
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Fewnomials in L1 and their geometry
К. М. Дьяконов |
Количество просмотров: |
Эта страница: | 115 |
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Аннотация:
Let $\Lambda$ be a finite set of nonnegative integers, and let $\mathcal P(\Lambda)$ be the linear hull of the monomials $z^k$ with $k\in\Lambda$, viewed as a subspace of $L^1$ on the unit circle. We characterize the extreme and exposed points of the unit ball in $\mathcal P(\Lambda)$.
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