We continue our study of the structure initiated in [Arp03]. Our main emphasis is exploring further structure into the formalism introduced in [Arp03]. This formalism reveals beautiful interplay between certain elementary operators, and provides tools for example for checking, handling and...

This work presents an extension of the classical EOQ model for items with a fixed shelf life and a declining demand rate due to a reduction in the quality of the item in the course of its shelf-life. The demand rate, reflecting consumer preference for fresh items, is a polynomial function of the...