Assembly of the splitting-data entries on the graded carrier #
The stage-level entries of the splitting algebra — the base
algebra, the module and the dual module — are lifted from the
two-index chain stages to the graded splitting algebra carrier:
the base enters the degree-zero component at the bottom stage,
the module the degree +1 component and the dual module the
degree −1 component. The base entry carries the unit to the
unit, and both module entries are linear over the base through
the base entry, in the exact shape of the splitting data of the
Key Lemma.
The base entry on the carrier: the base algebra enters the degree-zero component at the bottom stage.
Equations
- RS.splitOfBase A M M' d = CategoryTheory.CategoryStruct.comp (RS.chainBaseStage A M M' d) (CategoryTheory.CategoryStruct.comp (RS.chainBGrCompι A M M' d 0 0) (RS.chainBGrι A M M' d 0))
Instances For
The module entry on the carrier: the module enters the
degree +1 component at the bottom stage.
Equations
- RS.splitIns A M M' d = CategoryTheory.CategoryStruct.comp (RS.chainSeedQ A M M' d) (CategoryTheory.CategoryStruct.comp (RS.chainBGrCompι A M M' d 1 0) (RS.chainBGrι A M M' d 1))
Instances For
The dual entry on the carrier: the dual module enters the
degree −1 component at the bottom stage, through the arity
transport identifying the bottom stage of the −1 line.
Equations
- One or more equations did not get rendered due to their size.
Instances For
The base entry carries the unit to the unit: the carrier entry of the base algebra is unital.
The module entry is linear over the base, through the carrier entry of the base algebra: the splitting-data shape of the linearity law.
The dual entry is linear over the base, through the carrier entry of the base algebra: the splitting-data shape of the linearity law for the dual module.