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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…
math.OA2018
The norm closed triple semigroup algebra
Eleftherios Kastis
The w*-closed triple semigroup algebra was introduced by Power and the author in [19], where it was proved to be reflexive and to be chiral, in the sense of not being unitarily equ…