coincides with the standard (central) tν distribution. In the following, represents the effect size; by convention, a of 0.5 is considered a "medium" effect size. In Figure 1 are shown three instances of the t′ density envelope for ν = 10, one with δ = 0 (a standard t), and two with δ = 3 and δ = 6 : one may note that, whereas t10(δ = 0) is centered at 0 and symmetrical, the non-central t′’s ar...

We study the phase transition between survival and extinction in an epidemic process with long-range interactions and immunization. This model can be viewed as the well-known general epidemic process (GEP) in which nearestneighbor interactions are replaced by Levy flights over distances r which are distributed as P (r) ∼ r. By extensive numerical simulations we confirm previous fieldtheoretical...

Levy and Levy (Management Science 2002) present data that, according to their claims, violate prospect theory. They suggest that prospect theory’s hypothesis of an S-shaped value function, concave for gains and convex for losses, is incorrect. However, all the data of Levy and Levy are perfectly consistent with the predictions of prospect theory, as can be verified by simply applying prospect t...

15. Olive, C., Geroch, M. E. & Levy, H. R. ( 197 1 ) J. Biol. Chem. 246,2047-2057 Levy, H. R. & Daouk, G. H. (1979) J. Biol. Chem. 254, 4843-4847 Grove, T. H., Ishaque, A. & Levy, H. R. ( I 976) Arch. Biochem. Biophys. 177,307-316 Levy, H. R., Christoff, M., Ingulli, J. & Ho, E. M. L. ( 1 983) Arch. Biochem. Biophys. 222,473-488 Levy, H. R.. Daouk, G. H. & Katopes, M. A. (1979) Arch. Riochem. B...

We derive an asymptotic power function for a likelihood-based test for interaction in a regression model, with possibly misspecified alternative distribution. This allows a general investigation of types of interactions which are poorly or well detected via data. Principally we contrast pairwise-interaction models with ‘diffuse interaction models’ as introduced in Gustafson, Kazi, and Levy (2005).

In this paper, Hybridization of Cuckoo Search algorithm with Powell Search (HCSPS) is used to solve optimal reactive power problem. Cuckoo search (CS) has been recently projected as a population-based optimization algorithm and it is has so far been efficaciously applied in a variety of fields. The inertia weight of Levy flights is presented to balance the capability of global and local search....

We consider the normalized sum of n independent identically distributed random variables Xi; i = 1; : : : ; n with the common probability distribution function F (x) and probability density q(y) = F (y). We suppose that the distribution function Fn(y) of the normalized sum converges as n ! 1 to a stable distribution or stable law. The only stable distributions are the normal distributions and t...

A common swarm task is to disperse evenly through an environment from an initial tightly packed formation. Due to communication and sensing limitations, it is often necessary to execute this task with little or no communication between swarm members. Unfortunately, prior approaches based on repulsive forces or uniform random walks can often converge quite slowly. With an appropriate choice of r...