Acta mathematica scientia,Series B ›› 1992, Vol. 12 ›› Issue (4): 418-423.

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ON THE NUMBER OF EULERIAN PLANAR MAPS

Liu Yanpei   

  1. Inst. of Appl. Math., Academia Sinica, Beijing 100080, China
  • Received:1990-04-05 Online:1992-12-25 Published:1992-12-25
  • Supported by:
    Supported by the Italian National Research Council and the National Natural Science Foundation of China.

Abstract: This paper presents the number of combinatorially distinct rooted Eulerian planar maps with the number of non-root-vertices and the number of non-root-faces as two parameters. The parametric expressions for determining the number in the loopless Eulerian case are also obtained.

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