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2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry book bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-type-theory cohomology colimits combinatorics complex complex-geometry computable-mathematics computer-science constructive cosmology definitions deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry digraphs duality elliptic-cohomology enriched fibration foundation foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry graph graphs gravity grothendieck group group-theory harmonic-analysis higher higher-algebra higher-category-theory higher-differential-geometry higher-geometry higher-lie-theory higher-topos-theory homological homological-algebra homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology nlab noncommutative noncommutative-geometry number-theory object of operads operator operator-algebra order-theory pages pasting philosophy physics pro-object probability probability-theory quantization quantum quantum-field quantum-field-theory quantum-mechanics quantum-physics quantum-theory question representation representation-theory riemannian-geometry scheme schemes set set-theory sheaf simplicial space spin-geometry stable-homotopy-theory stack string string-theory superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeFeb 3rd 2023
   • PermaLink
   Author: Urs
   Format: MarkdownItexbrushed-up the references and added pointer to discussion via fundamental groups of cell complexes. <a href="https://ncatlab.org/nlab/revision/diff/group+presentation/21">diff</a>, <a href="https://ncatlab.org/nlab/revision/group+presentation/21">v21</a>, <a href="https://ncatlab.org/nlab/show/group+presentation">current</a>

   brushed-up the references and added pointer to discussion via fundamental groups of cell complexes.

   diff, v21, current

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeApr 3rd 2023
   • PermaLink
   Author: Urs
   Format: MarkdownItexadded pointer to: * [[Nick Gilbert]], Emma Antonia Mcdougall, _Groupoids and the algebra of rewriting in group presentations_, Beitr&auml;ge zur Algebra und Geometrie **62** 3 (2021) 1-17 &lbrack;[doi:10.1007/s13366-020-00531-6](https://doi.org/10.1007/s13366-020-00531-6), [arXiv:1901.04348](https://arxiv.org/abs/1901.04348)&rbrack; <a href="https://ncatlab.org/nlab/revision/diff/group+presentation/22">diff</a>, <a href="https://ncatlab.org/nlab/revision/group+presentation/22">v22</a>, <a href="https://ncatlab.org/nlab/show/group+presentation">current</a>

   added pointer to:

   • Nick Gilbert, Emma Antonia Mcdougall, Groupoids and the algebra of rewriting in group presentations, Beiträge zur Algebra und Geometrie 62 3 (2021) 1-17 [doi:10.1007/s13366-020-00531-6, arXiv:1901.04348]

   diff, v22, current