We consider a stochastic linear–quadratic (LQ) problem with possible indefinite cost weighting matrices for the state and the control. An outstanding open problem is to identify an appropriate Riccati-type equation whose solvability is equivalent to the solvability of this possibly indefinite LQ problem. In this paper we introduce a new type of differential Riccati equation, called the generali...

This research study presents the utilization of the balanced scorecard methodology as a means to measure performance for the Defense Logistics Agency Distribution Centers (DLA-DDC). The most critical performance metrics were selected and were placed into one of four scorecard categories of Cycle-Time, Quality, Financial, and Resource. A performance metric ballot has been constructed to select s...

Introduction The renewed interest in gas, which started in the 1990s due to its excellent environmental credentials, has seen an increase in the order book for LNG carriers – LNG carriers being the leviathans of the gas carrier fleet. Yet, while attracting great interest, the gas trade still employs relatively few ships in comparison to oil tankers, and hence its inner workings are little known...

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