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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 nforum 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.
   • CommentAuthorzskoda
   • CommentTimeMay 24th 2011
   • (edited May 24th 2011)
   • PermaLink
   Author: zskoda
   Format: MarkdownItexDear $n$Lab colleagues, I just split off [[historical note on Grothendieck topology]] from the entry [[Grothendieck topology]]. My principle is that whenever the discussion of the terminology or historical issues, or variant in the literature becomes **long** it justifies creating a **historical note** entry. Maybe we could add a category **historical-note** (of entries) for terminological discussions, bibliographical variants and other social zoo. When the historical remarks are short it is better to keep them in the original entry. How to add a new category ? (I suppose one just writes it. I forgot where it is written what the current entry categories are). A previous historical entry is [[historical note on characteristic classes]].

   Dear $n$Lab colleagues,

   I just split off historical note on Grothendieck topology from the entry Grothendieck topology.

   My principle is that whenever the discussion of the terminology or historical issues, or variant in the literature becomes long it justifies creating a historical note entry. Maybe we could add a category historical-note (of entries) for terminological discussions, bibliographical variants and other social zoo. When the historical remarks are short it is better to keep them in the original entry. How to add a new category ? (I suppose one just writes it. I forgot where it is written what the current entry categories are).

   A previous historical entry is historical note on characteristic classes.

2. • CommentRowNumber2.
   • CommentAuthorjim_stasheff
   • CommentTimeMay 25th 2011
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   Author: jim_stasheff
   Format: TextExcellent idea!

   Excellent idea!
3. • CommentRowNumber3.
   • CommentAuthorAndrew Stacey
   • CommentTimeMay 25th 2011
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   Author: Andrew Stacey
   Format: MarkdownItexSounds good to me. New categories are created as needed, so just write `category: historical notes` or whatever you want to call it. It may help to have a special index page when the number of pages in this category gets large.

   Sounds good to me.

   New categories are created as needed, so just write category: historical notes or whatever you want to call it. It may help to have a special index page when the number of pages in this category gets large.

4. • CommentRowNumber4.
   • CommentAuthorzskoda
   • CommentTimeMay 25th 2011
   • PermaLink
   Author: zskoda
   Format: MarkdownItexWhere is the list of all existing categories, again ? Thanks.

   Where is the list of all existing categories, again ? Thanks.

5. • CommentRowNumber5.
   • CommentAuthorAndrew Stacey
   • CommentTimeMay 25th 2011
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   Author: Andrew Stacey
   Format: MarkdownItexIf you go to the "all pages" link then it lists the categories across the top. I think that that's the only way to get a list.

   If you go to the “all pages” link then it lists the categories across the top. I think that that’s the only way to get a list.

6. • CommentRowNumber6.
   • CommentAuthorTobyBartels
   • CommentTimeMay 26th 2011
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   Author: TobyBartels
   Format: MarkdownItexOf course, "all pages" has been disabled on the main Lab. But its subpages exist, so try <http://ncatlab.org/nlab/list/meta> to get a list across the top.

   Of course, “all pages” has been disabled on the main Lab. But its subpages exist, so try http://ncatlab.org/nlab/list/meta to get a list across the top.

7. • CommentRowNumber7.
   • CommentAuthorAndrew Stacey
   • CommentTimeMay 26th 2011
   • PermaLink
   Author: Andrew Stacey
   Format: MarkdownItexWhoops! Forgot about that. Good catch.

   Whoops! Forgot about that. Good catch.