No label defined (Q4273855)
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scientific article; zbMATH DE number 475599
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 475599 |
Statements
6 January 1994
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projective-planar graphs
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2-cell embedding
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boundary walk
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even dual
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closed surface
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connected graph
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projective plane
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planar bipartite covering
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cycles
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