====== Lucas Rusnak (Binghamton) ======

====== Z4-Connected Graphs ======

===== Abstract for the Combinatorics Seminar 2007 November 27 =====

I will introduce the idea of group connectivity for graphs and will classify those graphs that are Z<sub>4</sub>-connected and satisfy the degree sum condition d(x) + d(y) ≥ n for each edge xy.


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