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Showing 2011Show all
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cs.CG2011
The Clique Problem in Ray Intersection Graphs
Sergio Cabello, Jean Cardinal, Stefan Langerman
Ray intersection graphs are intersection graphs of rays, or halflines, in the plane. We show that any planar graph has an even subdivision whose complement is a ray intersection gr…
math.PR2011
A note on the normal approximation error for randomly weighted self-normalized sums
Siegfried Hoermann, Yvik Swan
Let $\bX=\{X_n\}_{n\geq 1}$ and $\bY=\{Y_n\}_{n\geq 1}$ be two independent random sequences. We obtain rates of convergence to the normal law of randomly weighted self-normalized s…