Mathematical Inequalities & Applications · Volume 22, Issue 1

The exact constant for the ℓ1-ℓ2 norm inequality

22-04 Pages 59-64 DOI 10.7153/mia-2019-22-04

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Authors

Sara Botelho-Andrade Peter G. Casazza Desai Cheng Tin T. Tran

Keywords

norm inequality Hilbert space ℓ1-ℓ2 inequality

Subject classes

42C15