{"version":"1.0","type":"link","title":"Invariant subspace problem - Newikis","description":"In the field of mathematics known as functional analysis, the invariant subspace problem is a partially unresolved problem asking whether every bounded operator on a complex Banach space sends some non-trivial closed subspace to itself. Many variants of the problem have been solved, by restricting…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/5/58/Eigenvalue_equation.svg/1280px-Eigenvalue_equation.svg.png","thumbnail_width":1280,"thumbnail_height":1024}