Showing math.FAShow all
2 papers · 1 filter
math.FA2023
The Cotlar-Stein Lemma, Grothendiecks Inequality and All That
Brian Jefferies
The purpose of this paper is point out connections between scattering theory, double operator integrals, Kreins spectral shift function, integration theory, bimeasures, Feynman pat…
math.FA2021
Kippenhahn Varieties and the Weyl Calculus for Several Matrices I
Brian Jefferies
The paper reviews properties of the Weyl functional calculus for several operators and its relation to the generalised numerical range of hermitian matrices. The support and si…