The variation for a real-valued functional is a way to find its stationary points. How does this work for an operator-valued functional? What does it mean to vary an operator and say for an operator-valued functional $J$ the condition $\delta J = 0$?
2026-03-31 10:56:48.1774954608
Variation for operators
36 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in OPERATOR-THEORY
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