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Commuting dual Toeplitz operators on the harmonic Dirichlet space

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Abstract

In this paper, we characterize the symbols for (semi-)commuting dual Toeplitz operators on the orthogonal complement of the harmonic Dirichlet space. We show that for φ, ψW 1,∞, S φ S ψ = S ψ S φ on (D h ) if and only if φ and ψ satisfy one of the following conditions: (1) Both φ and ψ are harmonic functions; (2) There exist complex constants α and β, not both 0, such that φ = αψ+β.

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Correspondence to Yin Yin Hu.

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Supported by NSFC (Grant Nos. 11271059, 11271332, 11431011, 11301047), NSF of Zhejiang Province (Grant Nos. LY14A010013, LY14A010021), Higher School Foundation of Inner Mongolia of China (Grant No. NJZY 13298)

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Yang, J.Y., Hu, Y.Y., Lu, Y.F. et al. Commuting dual Toeplitz operators on the harmonic Dirichlet space. Acta. Math. Sin.-English Ser. 32, 1099–1105 (2016). https://doi.org/10.1007/s10114-016-5663-4

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  • DOI: https://doi.org/10.1007/s10114-016-5663-4

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