ORL
2007
13 years 10 months ago
2007
The use of floating-point calculations limits the accuracy of solutions obtained by standard LP software. We present a simplex-based algorithm that returns exact rational solutio...
ORL
2007
13 years 10 months ago
2007
We analyze a simple and natural on-line algorithm (dispatch policy) for a dynamic multiperiod uncapacitated routing problem, in which at the beginning of each time period a set of...
ORL
2007
13 years 10 months ago
2007
ORL
2007
13 years 10 months ago
2007
The unichain condition requires that every policy in an MDP result in a single ergodic class, and guarantees that the optimal average cost is independent of the initial state. We ...
ORL
2007
13 years 10 months ago
2007
The purpose of this note is to give a probability bound on symmetric matrices to improve an error bound in the Approximate S-Lemma used in establishing levels of conservatism resu...
ORL
2007
13 years 10 months ago
2007
ORL
2007
13 years 10 months ago
2007
This paper introduces the single item lot sizing problem with inventory gains. This problem is a generalization of the classical single item capacitated lot sizing problem to one ...
ORL
2007
13 years 10 months ago
2007
We show that a class of polyhedra, arising from certain 0, 1 matrices introduced by Truemper and Chandrasekaran, has the integer decomposition property. This is accomplished by pr...
ORL
2007
13 years 10 months ago
2007
Polling systems with large deterministic setup times find many applications in production environments. The present note studies the delay distribution in exhaustive polling syst...
ORL
2007
13 years 10 months ago
2007
For the M/D/1 processor sharing queue, explicit formulas for the coefficient of variation of the sojourn time conditioned on the service time and on the residual service times of ...