In this paper, the applications of O.R. in Health in the developing countries are reviewed from 286 published articles spread over more than 70 periodicals, journals and research reports over the last two decades. The sub-areas included are: (a) Health Planning, (b) Disease Control, (c)...

A new class of structure is found to possess photonic band gaps, and it contains most of the previously known photonic band gap structures as its subsets. We will also present some results concerning the EM wave eigenstates of structures with structural dffects and the transmission...

We consider the first-order Edgeworth expansion for summands related to a homogeneous Markov chain. Certain inaccuracies in some earlier results by Nagaev are corrected and the expansion is obtained under relaxed conditions. An application of our result to the distribution of the mle of a...

In order to construct a fixed-size confidence region for the mean vector of an unknown distribution functionF, a new purely sequential sampling strategy is proposed first. For this new procedure, under some regularity conditions onF, the coverage probability is shown (Theorem 2.1) to be at least...

This paper deals with the first order Edgeworth expansions for sums related to an ergodic Markov chain with general state space. In the first part of the paper, we establish certain continuity, w.r.t. the transition probability function and the initial distribution, in these expansions. In the...