Volume 7, Issue 3 Tong Zhu Zhigang Yu A simple proof for some important properties of the projection mapping 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 Tong Zhu Zhigang Yu Find more articles with the same keywords variational inequality projected gradient method projection and contraction method projection mapping Find more articles with the same subject classes 49J99