Volume 6, Issue 3 Chi-Kwong Li Lucijan Plevnik Peter Šemrl Preservers of matrix pairs with a fixed inner product value 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 Chi-Kwong Li Lucijan Plevnik Peter Šemrl Find more articles with the same keywords Hermitian matrix real symmetric matrix projection effect trace preserver Find more articles with the same subject classes 15A86 15B57