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a, We consider four graphs on N = 11 nodes, namely the Complete graph K11, the star graph S11, the Fan graph F11, and the smallest known undirected amplifier D11 (see [17]). b, Under Bd-updating, the only amplifier for r ∈ {1.01, …, 1.1} is the Star graph S11. c, Under dB-updating, the only amplifier for r ∈ {1.01, …, 1.1} is the Fan graph F11. Values computed by numerically solving the underlying Markov chains.
