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1. CJM 2010 (vol 62 pp. 1058)

Chen, Yichao; Liu, Yanpei
 On a Conjecture of S. Stahl S. Stahl conjectured that the zeros of genus polynomials are real. In this note, we disprove this conjecture. Keywords:genus polynomial, zeros, realCategory:05C10

2. CJM 2008 (vol 60 pp. 958)

Chen, Yichao
 A Note on a Conjecture of S. Stahl S. Stahl (Canad. J. Math. \textbf{49}(1997), no. 3, 617--640) conjectured that the zeros of genus polynomial are real. L. Liu and Y. Wang disproved this conjecture on the basis of Example 6.7. In this note, it is pointed out that there is an error in this example and a new generating matrix and initial vector are provided. Keywords:genus polynomial, zeros, realCategories:05C10, 05A15, 30C15, 26C10