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This paper outlines the WUDAPT (World Urban Database and Access Portal Tools) concept and highlights progress to date in developing this database for cities around the world. The next steps in the WUDAPT project are outlined, both in the immediate and longer term. Ultimately the goal is to provide an open access resource on urban morphology, materials and metabolism for all major cities that can be...
We solve the Travelling Salesman Problem (TSP) using a parallel implementation of the Ant System (AS) algorithm for execution on the Graphics Processing Unit (GPU) using NVIDIA CUDA. Extending some recent research, we implement both the tour construction and pheromone update stages of Ant Colony Optimization (ACO) on the GPU using a data parallel approach. In this recent work, roulette wheel selection...
Let and be any two given nodes in a $k$-ary $n$-cube with at most faulty edges. Suppose that the number of healthy links incident with is no more than that of $v$, and denote this number by $m$. In this paper, we show that there are mutually node-disjoint paths between and $v$.
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