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AF: Small: Approximation, Covering and Clustering in Computational Geometry

AF: Small: Approximation, Covering and Clustering in Computational Geometry
AF:小:计算几何中的近似、覆盖和聚类
批准号:
0915984
负责人:
Sariel Har-Peled
金额:
$41.0万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2009
资助国家:
美国
项目状态:
已结题
起止时间:
2009-09-01 至 2013-08-31

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中文摘要
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英文摘要
Computational geometry is the branch of theoretical computer science devoted to the design, analysis, and implementation of geometric algorithms and data structures. Computational geometry has deep roots in reality: Geometric problems arise naturally in any computational field that simulates or interacts with the physical world---computer graphics, robotics, geographic information systems, computer aided-design, and molecular modeling, to name a few---as well as in more abstract domains such as combinatorial geometry and algebraic topology. This research focuses on fundamental problems in computational geometry. These problems include set-cover, hitting set, independent set, and other related problems. These problems have numerous applications from wireless networking to optimization.The main theme of this research is to combine ``classical'' Computational Geometry techniques (like cuttings, epsilon-nets, etc) together with techniques used in Operation Research (Linear Programming, rounding techniques, etc).This research aims to greatly improve our understanding of the structure of these fundamental problems. The research may lead to improved approximation algorithms for these problems. The algorithms and insights obtained from the technical work will benefit computer science and related disciplines where geometric algorithms are widely used. This research has potential to broaden the scope of Computational Geometry by introducing new techniques into the field. A book partially based on the research in this award will be published in the near future. This will make the developed techniques available to wide audience consisting of students and researchers from several disciplines include engineering, mathematics, and the natural and social sciences.
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NSF-BSF: AF: Small: New directions in geometric traversal theory
AF: Small: Towards Sturdier Geometric Algorithms
AF: Small: Towards better geometric algorithms: Summarizing, partitioning and shrinking data
AF: Small: Efficient Proximity and Similarity Search in Computational Geometry
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