Discrete Hardy Spaces |
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| Authors: | Paula Cerejeiras Uwe Kähler Min Ku Frank Sommen |
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| Affiliation: | 1. Department of Mathematics, Center for Research and Development in Mathematics and Applications, University of Aveiro, Aveiro, Portugal
2. Clifford Research Group, Department of Mathematical Analysis, Ghent University, Ghent, Belgium
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| Abstract: | We study the boundary behavior of discrete monogenic functions, i.e. null-solutions of a discrete Dirac operator, in the upper and lower half space. Calculating the Fourier symbol of the boundary operator we construct the corresponding discrete Hilbert transforms, the projection operators arising from them, and discuss the notion of discrete Hardy spaces. Hereby, we focus on the 3D-case with the generalization to the n-dimensional case being straightforward. |
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