On mapping cones of Seifert fibered surgeries
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🧮 math.GT
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seifertfiberedknotmappingobstructionssurgeriessurgeryalexander
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Using the mapping cone of a rational surgery, we give several obstructions for Seifert fibered surgeries, including obstructions on the Alexander polynomial, the knot Floer homology, the surgery coefficient and the Seifert and four-ball genus of the knot.
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