Graph minors. XI: Circuits on a surface (Q1322009)
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scientific article; zbMATH DE number 562397
| Language | Label | Description | Also known as |
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| English | Graph minors. XI: Circuits on a surface |
scientific article; zbMATH DE number 562397 |
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Graph minors. XI: Circuits on a surface (English)
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14 November 1994
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This paper provides preliminary work to be applied towards proving a theorem on graphs with the exclusion of a fixed minor. One component of this proof involves graphs drawn on a surface. The lemmas of the current paper enable the authors to treat the case where the surface is a sphere in the same manner as the case of higher genus. The main tool is the tangle, defined in earlier papers by the authors.
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graph minor
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surface
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tangle
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