Cohomology and Higher Dimensional Baer Invariants

@inproceedings{Cegarra1990CohomologyAH,
  title={Cohomology and Higher Dimensional Baer Invariants},
  author={Antonio Mart{\'i}nez Cegarra and M. Bullejos},
  year={1990}
}
In this paper we work in a categorical setting which includes the most usual algebraic categories, for example, groups, rings (associative, com- mutative), or algebras (associative, commutative, Jordan, Lie, etc.). Such a setting is supplied by the theory of Q-groups in the sense of Higgins [S]. Let 9 be a variety of Q-groups and g E 9 a subvariety, with associated quotient functor U: 9 + 99. Several authors have shown that the first Baer invariant of an object A in 9, g,(A) = L, U(A), plays an… CONTINUE READING

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Baer Invariants and Cohomology of Precrossed Modules

  • Applied Categorical Structures
  • 2014
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HIGHLY INFLUENCED