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  2. Price floor - Wikipedia

    en.wikipedia.org/wiki/Price_floor

    A government-set minimum wage is a price floor on the price of labour. A price floor is a government- or group-imposed price control or limit on how low a price can be charged for a product, [1] good, commodity, or service. It is one type of price support; other types include supply regulation and guarantee government purchase price.

  3. Price controls - Wikipedia

    en.wikipedia.org/wiki/Price_controls

    A government-set minimum wage is a price floor on the price of labour. A price floor is a government- or group-imposed price control or limit on how low a price can be charged for a product, [24] good, commodity, or service. A price floor must be higher than the equilibrium price in order to be effective. The equilibrium price, commonly called ...

  4. List of NP-complete problems - Wikipedia

    en.wikipedia.org/wiki/List_of_NP-complete_problems

    Graph homomorphism problem [3]: GT52 Graph partition into subgraphs of specific types (triangles, isomorphic subgraphs, Hamiltonian subgraphs, forests, perfect matchings) are known NP-complete. Partition into cliques is the same problem as coloring the complement of the given graph. A related problem is to find a partition that is optimal terms ...

  5. Branch and price - Wikipedia

    en.wikipedia.org/wiki/Branch_and_price

    The branch and price method can be used to solve problems in a variety of application areas, including: Graph multi-coloring. [3] This is a generalization of the graph coloring problem in which each node in a graph must be assigned a preset number of colors and any nodes that share an edge cannot have a color in common. The objective is then to ...

  6. Price support - Wikipedia

    en.wikipedia.org/wiki/Price_support

    In economics, a price support may be either a subsidy, a production quota, or a price floor, each with the intended effect of keeping the market price of a good higher than the competitive equilibrium level. In the case of a price control, a price support is the minimum legal price a seller may charge, typically placed above equilibrium.

  7. NP-completeness - Wikipedia

    en.wikipedia.org/wiki/NP-completeness

    An interesting example is the graph isomorphism problem, the graph theory problem of determining whether a graph isomorphism exists between two graphs. Two graphs are isomorphic if one can be transformed into the other simply by renaming vertices. Consider these two problems: Graph Isomorphism: Is graph G 1 isomorphic to graph G 2?

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  9. General Problem Solver - Wikipedia

    en.wikipedia.org/wiki/General_Problem_Solver

    General Problem Solver (GPS) is a computer program created in 1957 by Herbert A. Simon, J. C. Shaw, and Allen Newell (RAND Corporation) intended to work as a universal problem solver machine. In contrast to the former Logic Theorist project, the GPS works with means–ends analysis .