Volume 16, Issue 2 Z. Hassanpour-Yakhdani Kourosh Nourouzi Unit vectors in full Hilbert C(Z)-modules 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 Z. Hassanpour-Yakhdani Kourosh Nourouzi Find more articles with the same keywords unit vector Hilbert C∗-module tangent vector field extreme point Exposed point Find more articles with the same subject classes 46L08 46B20