Open Access
Automatic Mesh Partitioning
Gary L. Miller,Shang-Hua Teng,William P. Thurston,Stephen A. Vavasis +3 more
- Vol. 56, pp 57
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In this paper, the authors describe an efficient approach to partitioning unstructured meshes that occur naturally in the finite element and finite difference methods, making use of the underlying geometric structure of a given mesh and finding a provably good partition in random O(n) time.Abstract:
This paper describes an efficient approach to partitioning unstructured meshes that occur naturally in the finite element and finite difference methods. The approach makes use of the underlying geometric structure of a given mesh and finds a provably good partition in random O(n) time. It applies to meshes in both two and three dimensions. The new method has applications in efficient sequential and parallel algorithms for large-scale problems in scientific computing. This is an overview paper written with emphasis on the algorithmic aspects of the approach. Many detailed proofs can be found in companion papers.read more
Citations
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Book
Iterative Methods for Sparse Linear Systems
TL;DR: This chapter discusses methods related to the normal equations of linear algebra, and some of the techniques used in this chapter were derived from previous chapters of this book.
Journal ArticleDOI
A Fast and High Quality Multilevel Scheme for Partitioning Irregular Graphs
George Karypis,Vipin Kumar +1 more
TL;DR: This work presents a new coarsening heuristic (called heavy-edge heuristic) for which the size of the partition of the coarse graph is within a small factor of theSize of the final partition obtained after multilevel refinement, and presents a much faster variation of the Kernighan--Lin (KL) algorithm for refining during uncoarsening.
Journal ArticleDOI
Multilevelk-way Partitioning Scheme for Irregular Graphs
George Karypis,Vipin Kumar +1 more
TL;DR: This paper presents and study a class of graph partitioning algorithms that reduces the size of the graph by collapsing vertices and edges, they find ak-way partitioning of the smaller graph, and then they uncoarsen and refine it to construct ak- way partitioning for the original graph.
Journal ArticleDOI
Fast multilevel implementation of recursive spectral bisection for partitioning unstructured problems
TL;DR: In this paper, a multilevel version of RSB is introduced that attains about an order-of-magnitude improvement in run time on typical examples, and it is shown that RSB in its simplest form is expensive.
Proceedings ArticleDOI
Parallel Multilevel k-way Partitioning Scheme for Irregular Graphs
George Karypis,Vipin Kumar +1 more
TL;DR: A key innovative feature of this parallel formulation is that it utilizes graph coloring to effectively parallelize both the coarsening and the refinement during the uncoarsening phase, making it possible to perform dynamic graph partition in adaptive computations without compromising quality.
References
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Book
Sphere packings, lattices, and groups
TL;DR: The second edition of this book continues to pursue the question: what is the most efficient way to pack a large number of equal spheres in n-dimensional Euclidean space?
Book ChapterDOI
On the Uniform Convergence of Relative Frequencies of Events to Their Probabilities
TL;DR: This chapter reproduces the English translation by B. Seckler of the paper by Vapnik and Chervonenkis in which they gave proofs for the innovative results they had obtained in a draft form in July 1966 and announced in 1968 in their note in Soviet Mathematics Doklady.