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MueLu: Treatment of "root node" in Phase 2a aggregation #6330

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cgcgcg opened this issue Nov 22, 2019 · 0 comments
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MueLu: Treatment of "root node" in Phase 2a aggregation #6330

cgcgcg opened this issue Nov 22, 2019 · 0 comments
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pkg: MueLu type: question

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cgcgcg commented Nov 22, 2019

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@trilinos/muelu

Phase 2a loops over unaggregated nodes and checks whether a large enough aggregate can be formed around them. If so, it forms an aggregate that does not include the "root node". Why is it not included?
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