Operators and Matrices · Volume 5, Issue 1 Ambarzumyan-type theorems on star graphs 05-08 Pages 119-131 DOI 10.7153/oam-05-08 Downloads Short PDF Full PDF PNG Authors Chuan Fu Yang Vyacheslav N. Pivovarchik Zhen You Huang Keywords inverse spectral problem Dirac operator on star graphs Ambarzumyan theorem Subject classes 34L05 65L09