α Represents a parameter of choice in many equations. Do not assume that α represents the same thing throughout the text.
β Represents a parameter of choice in many equations. Do not assume that β represents the same thing throughout the text.
B Used as a subscript to indicate performance measures related to customers or items being blocked from entering the system because of limits imposed by the maximum number of servers and places (capacity) available.
C Represents cost in cost trade-off analysis. Various subscripts designate various types of costs: W, waiting time costs; S, server costs; B, blocking, balking, and reneging costs; L, line length costs; H, handling costs; E, equipment costs; F, facility costs; ...