trureturingGitHub MATHEMATICAL ATLAS

Combinatorics / CONCEPT

The unweighted fourth moment does not determine four-edge forest counts

Two trees have equal Laplacian characteristic polynomials, lower support counts and moments through degree four, but different four-edge path counts.

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Fourth moment of the first tree

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Support forests and edge-word reflectionSupport forests and edge-wordreflectionThe unweighted fourth moment does not determine four-edge forest countsThe unweighted fourth momentdoes not determine four-edgeforest counts
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Lean sourceResearch workspace
Status
Closed
Depth
1
Layer
D5/S3
Domain
Combinatorics
Node ID
D5/S3/Combinatorics/Graph/SupportForestMoments/ShapiroQuarticInversionRefutation
Repository path
D5/S3/Combinatorics/Graph/SupportForestMoments/ShapiroQuarticInversionRefutation.lean
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sha256:76a8db6a0f78609b1b9d4a959c8392f2752f2daaddc1930e046e34ce07d0f608
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b52262a023c4db9bb30a128ebfd80ea4ef4c1a53
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37a24ddf3b9983bdabf0acbfd9b32b06c35c28d3

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