Volume 22, Issue 1 Sara Botelho-Andrade Peter G. Casazza Desai Cheng Tin T. Tran The exact constant for the ℓ1-ℓ2 norm inequality Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Sara Botelho-Andrade Peter G. Casazza Desai Cheng Tin T. Tran Find more articles with the same keywords norm inequality Hilbert space ℓ1-ℓ2 inequality Find more articles with the same subject classes 42C15