Hankel determinants and shifted periodic continued fractions
Combinatorics
2018-09-05 v2
Abstract
Sulanke and Xin developed a continued fraction method that applies to evaluate Hankel determinants corresponding to quadratic generating functions. We use their method to give short proofs of Cigler's Hankel determinant conjectures, which were proved recently by Chang-Hu-Zhang using direct determinant computation. We find that shifted periodic continued fractions arise in our computation. We also discover and prove some new nice Hankel determinants relating to lattice paths with step set for integer parameters . Again shifted periodic continued fractions appear.
Keywords
Cite
@article{arxiv.1806.08927,
title = {Hankel determinants and shifted periodic continued fractions},
author = {Ying Wang and Guoce Xin and Meimei Zhai},
journal= {arXiv preprint arXiv:1806.08927},
year = {2018}
}