Alphabeta Math

Fox–Milnor factorization and slice obstructions

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1 · Prerequisites
2 · Logical flowchart

3 · Items

Lemma

A metabolic Seifert matrix has Fox–Milnor factorization

Theorem

Locally flat sliceness implies Fox–Milnor factorization

Corollary

Failure of Fox–Milnor factorization obstructs local sliceness

Theorem

A metabolizer forces Levine–Tristram signatures to vanish

Sources