2016
DOI: 10.1007/978-3-319-45641-6_31
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Pruning Algorithms for Pretropisms of Newton Polytopes

Abstract: Pretropisms are candidates for the leading exponents of Puiseux series that represent positive dimensional solution sets of polynomial systems. We propose a new algorithm to both horizontally and vertically prune the tree of edges of a tuple of Newton polytopes. We provide experimental results with our preliminary implementation in Sage that demonstrates that our algorithm compares favorably to the definitional algorithm.

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Cited by 4 publications
(6 citation statements)
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References 31 publications
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“…Our contributions. This paper extends the results of the last two authors, presented in [28,29], extending the pruning algorithms with dynamic enumeration and a work stealing strategy. Our parallel implementation gives the first computation of the tropical prevariety for the cyclic 16-roots problem.…”
Section: Introductionsupporting
confidence: 76%
“…Our contributions. This paper extends the results of the last two authors, presented in [28,29], extending the pruning algorithms with dynamic enumeration and a work stealing strategy. Our parallel implementation gives the first computation of the tropical prevariety for the cyclic 16-roots problem.…”
Section: Introductionsupporting
confidence: 76%
“…In the existed structure-adjustable algorithms based on growth, there is only one node in the hidden layer at the initial time generally; however, in the algorithms based on pruning, the number of hidden nodes is set to a maximum value in a reasonable range as possible at first [4,24]. In the methods based on both growing and pruning, the random number is taken as the initial number of hidden nodes.…”
Section: Data Description Improved Negative Correlation Learning Algomentioning
confidence: 99%
“…Algorithms to compute the tropical prevariety are presented in [21]. For preprocessing purposes, the software of [21] is useful.…”
Section: Introductionmentioning
confidence: 99%
“…Algorithms to compute the tropical prevariety are presented in [21]. For preprocessing purposes, the software of [21] is useful. However, the focus on this paper concerns the tropical variety for which Gfan [14] provides a tropical basis.…”
Section: Introductionmentioning
confidence: 99%
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