...and refinements of the *s*-invariant
...and refinements of the *s*-invariant
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Robert Lipshitz, Minerva Distinguished Visitor & University of Oregon
Fine Hall 314
Livesteam: https://youtube.com/live/1RldTyjTeiE
This lecture will give a framework for using natural operations on Khovanov homology to refine the $s$-invariant; the Steenrod squares from the previous two lectures are an example, but we will also mention some others.