Abstract
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We equip the basic local crossing bimodules in Ozsváth–Szabó’s theory of bordered knot
Floer homology with the structure of 1-morphisms of 2-representations, categorifying the
-intertwining
property of the corresponding maps between ordinary representations. Besides
yielding a new connection between bordered knot Floer homology and higher
representation theory in line with work of Rouquier and Manion, this structure gives
an algebraic reformulation of a “compatibility between summands” property for
Ozsváth and Szabó’s bimodules that is important when building their theory up
from local crossings to more global tangles and knots.
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Keywords
Heegaard Floer, bordered Floer, bordered HFK, higher
representation theory, categorification
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Mathematical Subject Classification
Primary: 57K18
Secondary: 18N25, 57K16
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Milestones
Received: 18 July 2022
Revised: 23 January 2023
Accepted: 1 April 2023
Published: 2 June 2023
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© 2023 The Author(s), under
exclusive license to MSP (Mathematical Sciences Publishers).
Distributed under the Creative Commons
Attribution License 4.0 (CC BY). |
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