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Homologically Z_2-thin knots have no 4-torsion in Khovanov homology

#### Alexander Shumakovitch, George Washington University

Abstract: I will show how to use the Bockstein spectral sequence to prove
that homologically Z_2-thin knots have no 4-torsion in Khovanov homology.
This completes the proof of the fact that the integer Khovanov homology
of alternating knots is completely determined by their Jones polynomial
and signature.