A generaliztion of an inequality of Stepanov
Journal of Combinatorial Theory Series B
Counting connected graphs inside-out
Journal of Combinatorial Theory Series B
Counting connected graphs asymptotically
European Journal of Combinatorics - Special issue on extremal and probabilistic combinatorics
Large-deviations/thermodynamic approach to percolation on the complete graph
Random Structures & Algorithms
Journal of Combinatorial Theory Series B
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Stepanov@?s inequality and its various extensions provide an upper bound for connectedness probability for a Bernoulli-type random subgraph of a given graph. We have found an analogue of this bound for the expected value of the connectedness-event indicator times a positive z raised to the number of edges in the random subgraph. We demonstrate the power of this bound by a quick derivation of a relatively sharp bound for the number of the spanning connected, sparsely edged, subgraphs of a high-degree regular graph.