In shared-nothing multipocessor database machines, the storage organization for a relation is independent of the strategy used to decluster the relation. A database administrator for such a system has a wide range of alternatives when creating a relation. In this paper, we analyze the impact of three alternative declustering strategies on the performance of the selection queries using different...

The objective of this paper is to define and study new generalized extended gamma functions. A generalized extended gamma probability density function involving generalized hypergeometric function is also defined. Closed form representations of the generalized gamma functions and the moment generating function are derived in the form of H-function using inverse Mellon transform techniques. Inco...

Supersonic turbulence in the interstellar medium (ISM) is closely linked to formation of stars, and hence many theories connect stellar initial mass function (IMF) with turbulent properties molecular clouds. Here we test three turbulence-based IMF models (by Padoan & Nordlund 2002, Hennebelle Chabrier 2008, Hopkins 2012), which predict relation between high-mass slope ($\Gamma$) IMF, $\mathrm{d...

Using data from equilibrium Molecular Dynamics computer simulations we have built up a catalogue of response functions for the Coulomb one-component plasma (OCP) over wide range $\Gamma$ coupling values, including strongly coupled $\Gamma > 1$ liquid regime. We focus on domain negative compressibility ($\Gamma>3$), where causality and concomitant Kramers-Kronig relations are violated. give desc...

The K distribution is used in a number of areas of scientific endeavor. In optics, it provides a useful statistical description for fluctuations of the irradiance (and the electric field) of light that has been scattered or transmitted through random media (e.g., the turbulent atmosphere). The Poisson transform of the K distribution describes the photon-counting statistics of light whose irradi...

The analytical structure of some generalizations of the circle map is given. Also a generalization of off centre reflection is studied. The stability of Ito-Glass coupled map lattice is studied.