Deviation inequality for the number of k -cycles in a random graph |
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Authors: | Yanqing Wang Fuqing Gao |
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Institution: | (1) School of Mathematics and Statistics, Wuhan University, Wuhan, 430072, Hubei, China |
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Abstract: | We study the number of k-cycles in a random graph G(n, p). We estimate the probability that a random graph contains more k-cycles than expected. In this case, the usual martingale inequality with bounded difference is not effective. By constructing
a variable that approximates to the number of k-cycles in a random graph and using a new and extensive martingale inequality, we get the results in this paper.
Foundation item: Supported by the National Natural Science Foundation of China (10571139) |
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Keywords: | random graph deviation inequality k-cycles |
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