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British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may only he reproduced, stored or transmitted, in any form(More)
It is perhaps difficult to recall how new the treatment of the first 1992-1993 two-volume edition [2] was in using the modern functional analytically oriented PDE theory of evolution equations (as well as a corresponding semi-group treatment of delay equations) to present a treatment of topics that had only recently obtained a satisfactory formulation. The(More)
In many inventory control contexts, inventory levels are only partially (i.e., not fully) observed. This may be due to non-observation of demand, spoilage, misplacement, or theft of inventory. We study a partially observed inventory system where the demand is not observed, inventory level is noticed when it reaches zero, the unmet demand is lost, and(More)