Hello everyone.(adsbygoogle = window.adsbygoogle || []).push({});

All help appreciated. Find the minimum positive integer r for which there exists an r-regular graph G such that λ(G) ≥ κ(G) + 2

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Graph Theory - Connectivity of r-regular graphs

**Physics Forums | Science Articles, Homework Help, Discussion**