Volume 21, Issue 4 Raymond Cheng Javad Mashreghi William T. Ross Optimal weak parallelogram constants for Lp spaces 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 Raymond Cheng Javad Mashreghi William T. Ross Find more articles with the same keywords parallelogram law Clarkson inequalities best constants Hilbert spaces Find more articles with the same subject classes 46B25 46B20 46C15 46G12