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Lacunary polynomials in L1: Geometry of the unit sphere
Advances in Mathematics ( IF 1.7 ) Pub Date : 2021-01-25 , DOI: 10.1016/j.aim.2021.107607 Konstantin M. Dyakonov
中文翻译:
L 1中的Lacunary多项式:单位球面的几何
更新日期:2021-01-25
Advances in Mathematics ( IF 1.7 ) Pub Date : 2021-01-25 , DOI: 10.1016/j.aim.2021.107607 Konstantin M. Dyakonov
Let Λ be a finite set of nonnegative integers, and let be the linear hull of the monomials with , viewed as a subspace of on the unit circle. We characterize the extreme and exposed points of the unit ball in .
中文翻译:
L 1中的Lacunary多项式:单位球面的几何
设Λ为非负整数的有限集,并设 是单项式的线性船体 与 ,被视为的子空间 在单位圆上 我们描述了单位球的极端和裸露点。