Recent Activity
Bouchet's 6-flow conjecture ★★★
Author(s): Bouchet
Conjecture Every bidirected graph with a nowhere-zero -flow for some , has a nowhere-zero -flow.
Keywords: bidirected graph; nowhere-zero flow
Jaeger's modular orientation conjecture ★★★
Author(s): Jaeger
Conjecture Every -edge-connected graph can be oriented so that (mod ) for every vertex .
Keywords: nowhere-zero flow; orientation
5-flow conjecture ★★★★
Author(s): Tutte
Conjecture Every bridgeless graph has a nowhere-zero 5-flow.
Keywords: cubic; nowhere-zero flow