{"version":"1.0","type":"link","title":"Positive-definite kernel - Newikis","description":"In operator theory, a branch of mathematics, a positive-definite kernel is a generalization of a positive-definite function or a positive-definite matrix. It was first introduced by James Mercer in the early 20th century, in the context of solving integral operator equations. Since then,…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}