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math.FA2020
Symbol functions for symmetric frameworks
Eleftherios Kastis, Derek Kitson, John E. McCarthy
We prove a variant of the well-known result that intertwiners for the bilateral shift on ` are unitarily equivalent to multiplication operators on . This enables…
math.OA2020
The parabolic algebra revisited
Eleftherios Kastis, Stephen Power
The parabolic algebra A_p is the weakly closed algebra on L^2(R) generated by the unitary semigroup of right translations and the unitary semigroup of multiplication by the analyti…