## Sharp Concentration of the Rainbow Connection of Random Graphs

**Authors:** Yilun Shang

An edge-colored graph G is rainbow edge-connected if any two vertices are connected
by a path whose edges have distinct colors. The rainbow connection of a connected
graph G, denoted by rc(G), is the smallest number of colors that are needed in
order to make G rainbow connected. Similarly, a vertex-colored graph G is rainbow
vertex-connected if any two vertices are connected by a path whose internal vertices
have distinct colors. The rainbow vertex-connection of a connected graph G, denoted
by rvc(G), is the smallest number of colors that are needed in order to make G rainbow
vertex-connected. We prove that both rc(G) and rvc(G) have sharp concentration in
classical random graph model G(n, p).

**Comments:** 5 pages

**Download:** **PDF**

### Submission history

[v1] 28 Jan 2011

**Unique-IP document downloads:** 284 times

**Add your own feedback and questions here:**

*You are equally welcome to be positive or negative about any paper but please be polite. If you are being critical you must mention at least one specific error, otherwise your comment will be deleted as unhelpful.*

*
*