Multipliers on p-Fourier algebras
Multipliers on some Lorentz spaces.
Multipliers on some weighted -spaces.
Multipliers on Spaces of Functions on a Locally Compact Abelian Group with Values in a Hilbert Space
2000 Mathematics Subject Classification: Primary 43A22, 43A25.We prove a representation theorem for bounded operators commuting with translations on L2ω(G,H), where G is a locally compact abelian group, H is a Hilbert space and ω is a weight on G. Moreover, in the particular case when G = R, we characterize completely the spectrum of the shift operator S1,ω on Lω2(R,H).
Multipliers on subsemigroups of locally compact abelian groups.
Multipliers on weighted Hardy spaces over certain totally disconnected groups.
Multipliers on weighted Hardy spaces over locally compact Vilenkin groups, II
Multipliers, self-induced and dual Banach algebras [Book]
Multipliers with closed range on commutative semisimple Banach algebras
Let A be a commutative semisimple Banach algebra, Δ(A) its Gelfand spectrum, T a multiplier on A and T̂ its Gelfand transform. We study the following problems. (a) When is δ(T) = inf{|T̂(f)|: f ∈ Δ(A), T̂(f) ≠ 0} > 0? (b) When is the range T(A) of T closed in A and does it have a bounded approximate identity? (c) How to characterize the idempotent multipliers in terms of subsets of Δ(A)?