Much of Bluetooth’s data remains confidential in practice due to the difficulty of eavesdropping it. We present mechanisms for doing so, therefore eliminating the data confidentiality properties of the protocol. As an additional security measure, devices often operate in “undiscoverable mode” in order to hide their identity and provide access control. We show how the full MAC address of such ma...

the present study is aimed at assessing the state of national identity among female students of ahwaz islamic azad university and explores the social factors affecting upon it. the statistical society consisted of 8532 students at the three levels of associate diploma undergraduate and master degrees. the research method in this study is a “survey” and collection of data has been carried out by...

Role Based Access Control (RBAC) refers to a class of security mechanisms that mediate access to resources through organizational identities called roles. A number of models have been published [1, 2 ,3] that formally describe the basic properties of RBAC. One feature of these models is the notion of a role hierarchy, which represents the relationship among roles that are defined in terms of ot...

We investigate the effect of a space-dependent random mass density field on small amplitude acoustic modes that are settled in a semi-infinite medium of a temperature growing linearly with depth. Using a perturbation method, the dispersion relation is derived in the form of Hill’s determinant. Numerical solutions of this equation lead to the following conclusions: (a) a weak random field (with ...

We calculate the quantum corrections to the mass of the zero mode of the fifth component of the gauge field at two-loop level in a five dimensional massless QED compactified on S1. We discuss in detail how the divergences are exactly canceled and the mass becomes finite. The key ingredients to obtain the result are the five dimensional gauge invariance and the Ward-Takahashi identity. We also e...

The estimation problem in multivariate linear calibration with elliptical errors is considered under a loss function which can be derived from the Kullback-Leibler distance. First, we discuss the problem under normal errors and we give unbiased estimate of risk of an alternative estimator by means of the Stein and Stein-Haff identities for multivariate normal distribution. From the unbiased est...

Using broadband and color photometry, analysts can evaluate satellite operational status and affirm its identity. The process of ingesting photometry data and deriving satellite physical characteristics can be undertaken by analysts in batch mode, meaning using an entire batch of data at the conclusion of each observation night, or by automated algorithms in a batch or on-line mode of operation...

The present paper is based on the documentation of indigenous knowledge of medicinal shrubs used by the Gujjar-Bakerwal communities of Rajouri distrigct of Jammu and Kashmir state in the treatment of various non-communicable diseases. The study led to interesting use of 42 plant species. The present study describes the botanical identity, vernacular name (in Gojri), part (s) of the plants, mode...

In this paper we propose a distinction among collectivists to capture a fundamental difference in mental models of “collective” that has important organizational implications but has not been specifically identified in prior conceptual and empirical research. Drawing on research in social psychology, comparative management and organization theory addressing Japanese, Chinese and East-West pheno...

where q is an indeterminate. See [1] for the history, proof,combinatorial interpretation and generalization of (1) and its companion identity. I shall describe the evolution of a program, just completed, for understanding such identities as (1) in terms of Kac-Moody Lie algebras. This program is related to topology, and probably physics, as well as combinatorics. A Kac-Moody Lie algebra ([9], [...