un 2 00 7 Hiking the hypercube : producers and consumers

Hiking the hypercube: producers and consumers

We study the dynamics of co-evolution of producers and customers described by bit-strings representing individual traits. Individual ”sizelike” properties are controlled by binary encounters which outcome depends upon a recognition process. Depending upon the parameter set-up, mutual selection of producers and customers results in different types of attractors, either an exclusive niches regime...

MULTIPLIER ANALYSIS IN THE FRAMEWORK OF MANY PRODUCERS AND MANY CONSUMERS OF THE SAM FOR THE IRANIAN ECONOMY

Impact of Policy of Purchasing Wheat on Welfare of Producers and Consumers in Iran

Wheat is one of the most strategic agricultural products, which has always been a significant issue for the government. The main purpose of this study is to review the policy of purchasing wheat on the welfare of producers and customers in Iran. Due to the significance of wheat in consuming model of Iranian families, this product has been permanently under consideration. The government grants a...

Edge Deletion Preserving the Diameter of the Hypercube

We give upper and lower bounds to the number un(Q.) of edges that one can remove from a hypercube without altering its diameter, namely: (n 2) 2”-’ ( ( Ln;2,) ) + 2 < un( Qn) < (n 2)2”_’ + 1 [(2” 1)/(2nl)].

TD 7: Petri Nets 1 Modeling Using Petri Nets

Exercise 2 (Producer/Consumer). A producer/consumer system gathers two types of processes: producers who can make the actions produce (p) or deliver (d), and consumers with the actions receive (r) and consume (c). All the producers and consumers communicate through a single unordered channel. 1. Model a producer/consumer system with two producers and three consumers. How can you modify this sys...