Manuscript IX-Free@1 · IX-Free.tex · section · 33b20e96
Actual stages and the domain diagram
Contract, inherited inputs, and domains › Actual stages and the domain diagram · lines 445–511
IX-Free@1#eq:diagram
Let
and set
Define
The direct sums are by actual homogeneous field degree, four and two. The underlying spaces coincide, but their ordered roles differ.
All presentation tensor products are algebraic. Put
and define
The factorization diagram is
where or . There is a reversed diagram on the right. The dashed arrow exists exactly when the labelled prescription annihilates the displayed relation space.
Overlap conditions occur inside , on
No presentation map is assumed to be a topological quotient.
Displayed formulas in this passage
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