The connectivity and minimum degree of circuit graphs of matroids

Citation
Li, Ping et Liu, Gui Zhen, The connectivity and minimum degree of circuit graphs of matroids, Acta mathematica Sinica. English series (Print) , 26(2), 2010, pp. 353-360
ISSN journal
14398516
Volume
26
Issue
2
Year of publication
2010
Pages
353 - 360
Database
ACNP
SICI code
Abstract
Let G be the circuit graph of any connected matroid M with minimum degree .(G). It is proved that its connectivity .(G) . 2|E(M) . B(M)| . 2. Therefore .(G) . 2|E(M) . B(M)| . 2 and this bound is the best possible in some sense.