36 citations · 79 across the 7 of their papers we have counts for
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physics.soc-ph2006
Power-law behavior and condensation phenomena in disordered urn models
Jun-ichi Inoue, Jun Ohkubo
We investigate equilibrium statistical properties of urn models with disorder. Two urn models are proposed; one belongs to the Ehrenfest class, and the other corresponds to the Mon…
cond-mat.dis-nn2006
Replica analysis of a preferential urn model
Jun Ohkubo, Muneki Yasuda, Kazuyuki Tanaka
We analyse a preferential urn model with randomness using the replica method. The preferential urn model is a stochastic model based on the concept "the rich get richer." The repli…