## Abstract Menger's Theorem for digraphs states that for any two vertex sets __A__ and __B__ of a digraph __D__ such that __A__ cannot be separated from __B__ by a set of at most __t__ vertices, there are __tβ+β1__ disjoint __A__β__B__βpaths in __D__. Here a short and elementary proof of a more ge
Extensions of Menger's Theorem
β Scribed by Dirac, G. A.
- Book ID
- 120098149
- Publisher
- Oxford University Press
- Year
- 1963
- Tongue
- English
- Weight
- 403 KB
- Volume
- s1-38
- Category
- Article
- ISSN
- 0024-6107
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This paper generalizes one of the celebrated results in Graph Theory due to Karl. A. Menger (1927), which plays a crucial role in many areas of flow and network theory. This paper also introduces and characterizes strength reducing sets of nodes and arcs in weighted graphs.
## Abstract Four ways of proving Menger's Theorem by induction are described. Two of them involve showing that the theorem holds for a finite undirected graph __G__ if it holds for the graphs obtained from __G__ by deleting and contracting the same edge. The other two prove the directed version of