trureturingGitHub MATHEMATICAL ATLAS

Combinatorics / CONCEPT

Invariant Integer Support and Original Indexed Cuts

Fixed integral lifts need not preserve unrestricted sparsity: invariant integer support is attained by a pointwise invariant maximum cut.

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DIRECT PREREQUISITES2
DIRECT CONSEQUENCES0
PROOF DEPTH2
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THEOREM

Inverse-Coordinate Representation Transport

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Integral Fixed Unsigned-Star CokernelsIntegral Fixed Unsigned-StarCokernelsUnsigned Star Support and Original Indexed CutsUnsigned Star Support andOriginal Indexed CutsInvariant Integer Support and Original Indexed CutsInvariant Integer Support andOriginal Indexed Cuts
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Lean sourceResearch workspace
Status
Closed
Depth
2
Layer
D5/S3
Domain
Combinatorics
Node ID
D5/S3/Combinatorics/Graph/Incidence/UnsignedStarInvariantSupport
Repository path
D5/S3/Combinatorics/Graph/Incidence/UnsignedStarInvariantSupport.lean
Truth release
sha256:76a8db6a0f78609b1b9d4a959c8392f2752f2daaddc1930e046e34ce07d0f608
Source commit
b52262a023c4db9bb30a128ebfd80ea4ef4c1a53
Source tree
37a24ddf3b9983bdabf0acbfd9b32b06c35c28d3

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Dependency edges, status, and source coordinates come from the verified release and certified topology. Blueprint exposition is labeled separately. A fallback title carries no additional mathematical authority.