Paul Herbert Zipkin

• A Kanban-like production control system
• Aggregation and disaggregation in convex network problems
• An improved disaggregation method for transportation problems
• Bounds for row-aggregation in linear programming
• Bounds on the effect of aggregating variables in linear programs
• Critical number policies for inventory models with periodic data
• Error bounds for aggregated convex transportation problems
• Exact and approximate cost functions for product aggregates
• Models for design and control of stochastic, multi-item batch production systems
• Simple ranking methods for allocation of one resource
• Transportation problems with aggregated destinations when demands are certain