Talk:Covariance operator

Half-hearted
Well, this article is distinctly half-hearted. Why bother defining the covariance operator? What are its uses? How does it relate to adjacent concepts etc.? — Preceding unsigned comment added by 62.30.82.22 (talk) 10:46, 20 April 2024 (UTC)

Not necessarily trace class
Covariance operators are not limited to being trace class operators 132.147.144.113 (talk) 07:26, 14 June 2024 (UTC)