Choudhury, Projesh NathProjesh NathChoudhuryYadav, ShivangiShivangiYadav2025-10-132025-10-132025-092331-842210.48550/arXiv.2509.17902http://repository.iitgn.ac.in0/handle/IITG2025/33150en-USTotal positivityStrict sign regularitySign regularityEntrywise preserverCauchy functional equationCauchy-Binet formula.Entrywise preservers of sign regularityArticle123456789/555