摘要 資訊 of avalanche size distribution is measured by

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論文資訊

• 類型：已發表論文
• 日期：2003

摘要

資訊 of avalanche size distribution is measured by calculating 資訊 熵 (IE) in the Bak-Sneppen 演化 model. It is found that the IE increases as the model evolves. Specifically, we establish the relation between the IE and the self-organized threshold f(c). The variation of the IE near the critical point yields an exponent 熵 index E = (tau - 1)/sigma, where tau and sigma represent the critical exponents for avalanche size distribution and avalanche size cutoff, respectively. A new quantity Dtau(g) (g = 1 - (f(c) - G)((tau-1)/sigma), where G is the gap of the current state), defined as 1 - I- tau(g)/I-tau(1), with I-tau(g) and I-tau(1) being the IE for the current state and the critical one respectively, is suggested that it represents the distance between the state with gap G and the critical one.

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