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ملخص البحث |
Abstract:
In growing Barab?si-Albert (BA) networks, a new node randomly selects an existing target node and attaches to it randomly with a probability r proportional to the number k of neighbors already attached to the target node. Krapivsky and Redner use, also for different networks: "a new node randomly selects an existing target node, but attaches to a random neighbor of this target." In nonlinear BA networks, r is made proportional to k? with ? = 1 for the standard BA case. We simulate here nonlinear Barab?si-Albert-Krapivsky-Redner (BAKR) networks, where r is applied to the selection of the target, not to the selection of the target neighbor. We use undirected Barab?si-Albert networks. For the maximum number kmax of neighbors we find little effect from ?, while the distribution n(k) of the number of neighbors has a normal power law and there is no gap or strong peak in the number of neighbors k(i). All this contradicts our earlier simulations without redirection.
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