Scheduling Jobs and a Variable Maintenance on a Single Machine with Common Due-Date Assignment

<table>The maintenance starts at time <svg height="7.9499998" id="M142" style="vertical-align:-0.13794pt" version="1.1" viewbox="0 0 6.5 7.9499998" width="6.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> (&gt;0).</table>

The Scientific World Journal

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Figure 5

Figure 5: Scheduling Jobs and a Variable Maintenance on a Single Machine with Common Due-Date Assignment 