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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 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 internal-categories k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure 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 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.
   • CommentAuthorJ-B Vienney
   • CommentTimeJul 30th 2022
   • PermaLink
   Author: J-B Vienney
   Format: MarkdownItexNotion of Young subgroup of a symmetric group added. <a href="https://ncatlab.org/nlab/revision/Young+subgroup/1">v1</a>, <a href="https://ncatlab.org/nlab/show/Young+subgroup">current</a>

   Notion of Young subgroup of a symmetric group added.

   v1, current

2. • CommentRowNumber2.
   • CommentAuthorJ-B Vienney
   • CommentTimeJul 30th 2022
   • PermaLink
   Author: J-B Vienney
   Format: MarkdownItexReplaced "partition" by "composition" which is more appropriate and precised that this is a composition with positive integers. <a href="https://ncatlab.org/nlab/revision/Young+subgroup/1">v1</a>, <a href="https://ncatlab.org/nlab/show/Young+subgroup">current</a>

   Replaced “partition” by “composition” which is more appropriate and precised that this is a composition with positive integers.

   v1, current

3. • CommentRowNumber3.
   • CommentAuthorJ-B Vienney
   • CommentTimeJul 30th 2022
   • PermaLink
   Author: J-B Vienney
   Format: MarkdownItexAdded the example of the subgroup of permutations which fix a specified point. <a href="https://ncatlab.org/nlab/revision/Young+subgroup/1">v1</a>, <a href="https://ncatlab.org/nlab/show/Young+subgroup">current</a>

   Added the example of the subgroup of permutations which fix a specified point.

   v1, current

4. • CommentRowNumber4.
   • CommentAuthorJ-B Vienney
   • CommentTimeJul 30th 2022
   • PermaLink
   Author: J-B Vienney
   Format: MarkdownItexI've written something completely false before, corrected. <a href="https://ncatlab.org/nlab/revision/diff/Young+subgroup/2">diff</a>, <a href="https://ncatlab.org/nlab/revision/Young+subgroup/2">v2</a>, <a href="https://ncatlab.org/nlab/show/Young+subgroup">current</a>

   I’ve written something completely false before, corrected.

   diff, v2, current