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On a Conjecture of S. Stahl

  Published:2010-07-06
 Printed: Oct 2010
  • Yichao Chen,
    College of Mathematics and Econometrics, Hu nan University, Changsha, China
  • Yanpei Liu,
    Department of Mathematics, Beijing JiaoTong University, Beijing, China
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Abstract

S. Stahl conjectured that the zeros of genus polynomials are real. In this note, we disprove this conjecture.
Keywords: genus polynomial, zeros, real genus polynomial, zeros, real
MSC Classifications: 05C10 show english descriptions Planar graphs; geometric and topological aspects of graph theory [See also 57M15, 57M25] 05C10 - Planar graphs; geometric and topological aspects of graph theory [See also 57M15, 57M25]
 

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