Volume 27, Issue 2 Pedro Martín Pier Luigi Papini Moving around the sums of orthogonal unit vectors 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 Pedro Martín Pier Luigi Papini Find more articles with the same keywords parameter orthogonal vectors moduli convexity smoothness Find more articles with the same subject classes 46B20 52A21 46C15