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| Keywords: Four color theorem cell tower circles.png en Four color theorem While the four color problem is less interesting to cartographers it can help other areas such as cell tower placement If each cell tower broadcast channel is like a color and channel “colors are limited to four then the problem of where to position broadcast towers for maximum coverage and minimal cost is the same as the four-color problem The challenge Eliminate non-coverage spots red along the highway In places where multiple channels overlap dark blue the channels must be different “ “colors must be different so the cell phone signal can be handed off to a different channel 2012-04-17 own Tomwsulcer Note I created this chart originally for use in the Citizendium article Four color theorem The earlier diagram was also public domain In the diagrams it is noted PD public domain http //en citizendium org/wiki/Four_color_theorem here cc-zero Uploaded with UploadWizard Four-color theorem | ||||
