Quasirationality and prounipotent crossed modulesстатья
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Дата последнего поиска статьи во внешних источниках: 8 апреля 2020 г.
Аннотация:We study quasirational presentations (QR–presentations) of (pro–p)groups, which
contain aspherical presentations and their subpresentations, and also still mysterious
pro–p–groups with a single defining relation. Using schematization of QR–presentations
and embedding of the rationalized module of relations into a diagram related to certain
prounipotent crossed module, we derive cohomological properties of pro–p–groups with
a single defining relation.