Slicing planar grid diagrams: a gentle introduction to bordered Heegaard Floer homology
classification
🧮 math.GT
math.SG
keywords
diagramsfloergentlegridheegaardhomologyintroductionplanar
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We describe some of the algebra underlying the decomposition of planar grid diagrams. This provides a useful toy model for an extension of Heegaard Floer homology to 3-manifolds with parametrized boundary. This paper is meant to serve as a gentle introduction to the subject, and does not itself have immediate topological applications.
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