English

A characterization of Q-polynomial association schemes

Combinatorics 2011-06-14 v2

Abstract

We prove a necessary and sufficient condition for a symmetric association scheme to be a Q-polynomial scheme.

Keywords

Cite

@article{arxiv.1007.0473,
  title  = {A characterization of Q-polynomial association schemes},
  author = {Hirotake Kurihara and Hiroshi Nozaki},
  journal= {arXiv preprint arXiv:1007.0473},
  year   = {2011}
}

Comments

8 pages, no figure