OAI/GroupTheory/PolycyclicRecognition/Finiteness/FiniteAugmentationFromFP.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

FP one gives a finitely generated augmentation kernel

A resolution comparison expresses the kernel as a sum of two finite images. The argument does not assume that the group is finitely generated.

  1. theorem OAI.PolycyclicRecognition.TypeFP.augmentationKernel_fg line 23