| A Note on the Number of Loopless Eulerian Planar Maps |
| Received:June 04, 1990 |
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| Fund Project:Research supported by the National Natural Science Foundation of China. |
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| Abstract: |
| This paper provides the number of combinatorially distinct rooted loopless Eulerian planar maps with given edge number. Meanwhile, an explicit formula for the almost loopless case is presented. |
| Citation: |
| DOI:10.3770/j.issn:1000-341X.1992.02.003 |
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