"Boundary Interpolation for Slice Hyperholomorphic Schur Functions" by Khaled Abu-Ghanem, Daniel Alpay et al.
 

Document Type

Article

Publication Date

2015

Abstract

A boundary Nevanlinna-Pick interpolation problem is posed and solved in the quaternionic setting. Given nonnegative real numbers κ1,…,κN, quaternions p1,…,pN all of modulus 1, so that the 2-spheres determined by each point do not intersect and pu≠1 for u=1,…,N, and quaternions s1,…,sN, we wish to find a slice hyperholomorphic Schur function s so that
limr→1r∈(0,1)s(rpu)=suforu=1,…,N,
and
limr→1r∈(0,1)1−s(rpu)su¯¯¯¯¯1−r≤κu,foru=1,…,N.
Our arguments relies on the theory of slice hyperholomorphic functions and reproducing kernel Hilbert spaces.

Comments

This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Integral Equations and Operator Theory, volume 82, in 2015 following peer review. The final publication is available at Springer via DOI: 10.1007/s00020-014-2184-3

Peer Reviewed

1

Copyright

Springer

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