The gap metric is a mathematical concept used to quantify the distance between linear operators on a Hilbert space. It was introduced independently by Mark Krein and Mark Krasnoselsky (1947), and Béla Szőkefalvi-Nagy (1946), in their work on invertibility of differential operators.
The gap metric is a mathematical concept used to quantify the distance between linear operators on a Hilbert space. It was introduced independently by Mark Krein and Mark Krasnoselsky (1947), and Béla Szőkefalvi-Nagy (1946), in their work on invertibility of differential operators.
Source: Wikipedia "Gap metric" · CC BY-SA 4.0
Share this article: X · Bluesky