
doi: 10.1007/bf01158515
Let T be a self-adjoint operator with discrete spectrum \(\{\lambda_ n\}\) in a separable Hilbert space and let \(\sum_{| \lambda_ n| \leq \lambda}1=O(\lambda^ p)\) as \(\lambda\) \(\to \infty\) with \(0
Integral, integro-differential, and pseudodifferential operators, Linear operators belonging to operator ideals (nuclear, \(p\)-summing, in the Schatten-von Neumann classes, etc.), regularized trace, pseudo-differential operators, selfadjoint nuclear operator, self-adjoint nuclear operator
Integral, integro-differential, and pseudodifferential operators, Linear operators belonging to operator ideals (nuclear, \(p\)-summing, in the Schatten-von Neumann classes, etc.), regularized trace, pseudo-differential operators, selfadjoint nuclear operator, self-adjoint nuclear operator
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