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4 papers · 2 filters
Two-band random matrices
E. Kanzieper, V. Freilikher
Spectral correlations in unitary invariant, non-Gaussian ensembles of large random matrices possessing an eigenvalue gap are studied within the framework of the orthogonal polynomi…
Power Law Scaling for a System of Interacting Units with Complex Internal Structure
L. A. N. Amaral, S. V. Buldyrev, S. Havlin +2
We study the dynamics of a system composed of interacting units each with a complex internal structure comprising many subunits. We consider the case in which each subunit grows in…
Scaling behavior in economics: II. Modeling of company growth
S. V. Buldyrev, L. A. N. Amaral, S. Havlin +5
In the preceding paper we presented empirical results describing the growth of publicly-traded United States manufacturing firms within the years 1974--1993. Our results suggest th…
Scaling behavior in economics: I. Empirical results for company growth
L. A. N. Amaral, S. V. Buldyrev, S. Havlin +5
We address the question of the growth of firm size. To this end, we analyze the Compustat data base comprising all publicly-traded United States manufacturing firms within the year…