Ellipses and compositions of finite Blaschke products
Publication Date
2017
Description
We provide a new proof of a theorem of Fujimura characterizing Blaschke products of degree-4 that are compositions of two degree-2 Blaschke products, connect this result to the numerical ranges of certain operators, and characterize Poncelet ellipses that are inscribed in quadrilaterals geometrically and algebraically.
Journal
Journal of Mathematical Analysis and Applications
Volume
445
Issue
2
First Page
1354
Last Page
1366
Department
Mathematics
Link to Published Version
https://www.sciencedirect.com/science/article/pii/S0022247X16001013
Recommended Citation
Gorkin, Pamela and Wagner, Nathan. "Ellipses and compositions of finite Blaschke products." Journal of Mathematical Analysis and Applications (2017) : 1354-1366.
COinS