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All Journal Electronic Journal of Graph Theory and Applications (EJGTA)
Lee, Chin-Yen
Department of Mathematics, National Central University
Electrical & Electronics Engineering

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The real equiangular tight frames obtained from rank 3 graphs Bannai, Eiichi; Bannai, Etsuko; Lee, Chin-Yen; Tanaka, Hajime; Yu, Wei-Hsuan
Electronic Journal of Graph Theory and Applications (EJGTA) Vol 12, No 2 (2024): Electronic Journal of Graph Theory and Applications
Publisher : GTA Research Group, Univ. Newcastle, Indonesian Combinatorics Society and ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/ejgta.2024.12.2.12

Abstract

We present all nontrivial real equiangular tight frames {φm}m=1M in RN obtained as spherical embeddings of primitive rank 3 graphs on M vertices, and those such that one of their associated M strongly regular graphs on M - 1 vertices is a primitive rank 3 graph.
Co-Authors Bannai, Eiichi Bannai, Etsuko Tanaka, Hajime Yu, Wei-Hsuan