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http://dx.doi.org/10.4134/BKMS.b190302

MULTIPLIERS OF DIRICHLET-TYPE SUBSPACES OF BLOCH SPACE  

Li, Songxiao (Department of Mathematics Shantou University)
Lou, Zengjian (Department of Mathematics Shantou University)
Shen, Conghui (Department of Mathematics Shantou University)
Publication Information
Bulletin of the Korean Mathematical Society / v.57, no.2, 2020 , pp. 429-441 More about this Journal
Abstract
Let M(X, Y) denote the space of multipliers from X to Y, where X and Y are analytic function spaces. As we known, for Dirichlet-type spaces 𝓓αp, M(𝓓p-1p, 𝓓q-1q) = {0}, if p ≠ q, 0 < p, q < ∞. If 0 < p, q < ∞, p ≠ q, 0 < s < 1 such that p + s, q + s > 1, then M(𝓓p-2+sp, 𝓓q-2+sq) = {0}. However, X ∩ 𝓓p-1p ⊆ X ∩ 𝓓q-1q and X ∩ 𝓓p-2+sp ⊆ X ∩ 𝓓q-2+sp whenever X is a subspace of the Bloch space 𝓑 and 0 < p ≤ q < ∞. This says that the set of multipliers M(X ∩ 𝓓 p-2+sp, X∩𝓓q-2+sq) is nontrivial. In this paper, we study the multipliers M(X ∩ 𝓓p-2+sp, X ∩ 𝓓q-2+sq) for distinct classical subspaces X of the Bloch space 𝓑, where X = 𝓑, BMOA or 𝓗∞.
Keywords
Multipliers; Carleson measure; Dirichlet-type space; Bloch space;
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