Disjoint sub(di)graphs in digraphs
✍ Scribed by Jørgen Bang-Jensen; Matthias Kriesell
- Book ID
- 108120705
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 164 KB
- Volume
- 34
- Category
- Article
- ISSN
- 1571-0653
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
denote the set of all m × n {0, 1}-matrices with row sum vector R and column sum vector S. Suppose A(R, S) ] ". The interchange graph G(R, S) of A(R, S) was defined by Brualdi in 1980. It is the graph with all matrices in A(R, S) as its vertices and two matrices are adjacent provided they differ by
## Abstract A __quasi‐kernel__ in a digraph is an independent set of vertices such that any vertex in the digraph can reach some vertex in the set via a directed path of length at most two. Chvátal and Lovász proved that every digraph has a quasi‐kernel. Recently, Gutin et al. raised the question o