Unordered Love in infinite directed graphs
oleh: Peter D. Johnson
| Format: | Article |
|---|---|
| Diterbitkan: | Wiley 1992-01-01 |
Deskripsi
A digraph D=(V,A) has the Unordered Love Property (ULP) if any two different vertices have a unique common outneighbor. If both (V,A) and (V,A−1) have the ULP, we say that D has the SDULP.