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http://dx.doi.org/10.4134/BKMS.b180971

POISSON APPROXIMATION OF INDUCED SUBGRAPH COUNTS IN AN INHOMOGENEOUS RANDOM INTERSECTION GRAPH MODEL  

Shang, Yilun (Department of Computer and Information Sciences Faculty of Engineering and Environment Northumbria University)
Publication Information
Bulletin of the Korean Mathematical Society / v.56, no.5, 2019 , pp. 1199-1210 More about this Journal
Abstract
In this paper, we consider a class of inhomogeneous random intersection graphs by assigning random weight to each vertex and two vertices are adjacent if they choose some common elements. In the inhomogeneous random intersection graph model, vertices with larger weights are more likely to acquire many elements. We show the Poisson convergence of the number of induced copies of a fixed subgraph as the number of vertices n and the number of elements m, scaling as $m={\lfloor}{\beta}n^{\alpha}{\rfloor}$ (${\alpha},{\beta}>0$), tend to infinity.
Keywords
random graph; intersection graph; Poisson approximation; Stein's method; subgraph count;
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Times Cited By KSCI : 1  (Citation Analysis)
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