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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.
   • CommentAuthorTobyBartels
   • CommentTimeOct 1st 2009
   • (edited Jul 25th 2010)
   • PermaLink
   Author: TobyBartels
   Format: MarkdownA list of all recently edited entries can be seen at [Recently Revised](http://ncatlab.org/nlab/recently_revised). But that list tends to contain lots of minor changes: it's not easy to spot the important ones. So, if you feel people's attention should be drawn to some changes you make, then please mention them *here*. This way [[Contributors|the rest of us]] can spot them, so we can learn what you know — and maybe make further improvements! 1. Go to the Latest Changes category in the Forum. If you are reading this on the forum, then you are there right now, or go to <http://www.math.ntnu.no/~stacey/Vanilla/nForum/?CategoryID=5>. 2. Optionally, create an account (if you don't have one) and log in if necessary; this may be helpful but is not required. 3. Hit ‘Start new discussion’ at the upper left. 4. Choose a meaningful subject title, perhaps the name of the page you've edited or something like that. 5. Write a brief message summarising your edit. Most of the formatting is the same as on the Lab if you choose the ‘Markdown+Itex’ radio button beneath the comment box. 6. Please include a `[[wikilink]]` to the page or pages that you edited. 7. If you didn't log in, then please also include your name. 8. Check Preview Post (or skip it), and then Start your discussion! Questions? Ask them here!

   A list of all recently edited entries can be seen at Recently Revised. But that list tends to contain lots of minor changes: it's not easy to spot the important ones. So, if you feel people's attention should be drawn to some changes you make, then please mention them here. This way the rest of us can spot them, so we can learn what you know — and maybe make further improvements!

   1. Go to the Latest Changes category in the Forum. If you are reading this on the forum, then you are there right now, or go to http://www.math.ntnu.no/~stacey/Vanilla/nForum/?CategoryID=5.
   2. Optionally, create an account (if you don't have one) and log in if necessary; this may be helpful but is not required.
   3. Hit ‘Start new discussion’ at the upper left.
   4. Choose a meaningful subject title, perhaps the name of the page you've edited or something like that.
   5. Write a brief message summarising your edit. Most of the formatting is the same as on the Lab if you choose the ‘Markdown+Itex’ radio button beneath the comment box.
   6. Please include a [[wikilink]] to the page or pages that you edited.
   7. If you didn't log in, then please also include your name.
   8. Check Preview Post (or skip it), and then Start your discussion!

   Questions? Ask them here!

2. • CommentRowNumber2.
   • CommentAuthorTobyBartels
   • CommentTimeOct 1st 2009
   • (edited Jul 25th 2010)
   • PermaLink
   Author: TobyBartels
   Format: Markdown**Formatting differences** If you want to use the formatting style from the Lab, then be sure to select the ‘Markdown+Itex’ radio button. (You should only have to do this once if you make an account.) Some important contrasts: * `[[wikilinks]]` work as if you were on the main nLab web. So to link to [[AnonymousCoward]] on the main web, type `[[AnonymousCoward]]`. But to link to [[schreiber:AnonymousCoward]] on Urs's web, type `[[schreiber:AnonymousCoward]]`. * Some of the fancier text features on the Lab, such as ‘smart quotes’ –and dashes– and ellipses … don't work here, so you'll get 'striaight quotes' --and repeated hyphens-- and repeated dots ... if you don't take the trouble to type in the proper characters. * Unlike on the Lab, there is a Preview, so you can use it. On the other hand, you cannot edit your posts or comments unless you're signed in.

   Formatting differences

   If you want to use the formatting style from the Lab, then be sure to select the ‘Markdown+Itex’ radio button. (You should only have to do this once if you make an account.) Some important contrasts:

   • [[wikilinks]] work as if you were on the main nLab web. So to link to AnonymousCoward on the main web, type [[AnonymousCoward]]. But to link to AnonymousCoward (schreiber) on Urs's web, type [[schreiber:AnonymousCoward]].
   • Some of the fancier text features on the Lab, such as ‘smart quotes’ –and dashes– and ellipses … don't work here, so you'll get 'striaight quotes' --and repeated hyphens-- and repeated dots ... if you don't take the trouble to type in the proper characters.
   • Unlike on the Lab, there is a Preview, so you can use it. On the other hand, you cannot edit your posts or comments unless you're signed in.
3. • CommentRowNumber3.
   • CommentAuthorTobyBartels
   • CommentTimeOct 1st 2009
   • (edited Jul 25th 2010)
   • PermaLink
   Author: TobyBartels
   Format: Markdown**Comments on posts** We used to log latest changes on [[latest changes|a special page on the Lab itself]]. One motivation for the move was to allow conversations to take place where they won't get lost. So in addition to making a new post for your own changes, you can also comment upon other people's changes by replying to their posts. (When you read their post, there should be a box at the bottom for you to put in your reply comment, such as the box at the bottom of this discussion.) Don't forget that others may reply to your posts too!

   Comments on posts

   We used to log latest changes on a special page on the Lab itself. One motivation for the move was to allow conversations to take place where they won't get lost. So in addition to making a new post for your own changes, you can also comment upon other people's changes by replying to their posts. (When you read their post, there should be a box at the bottom for you to put in your reply comment, such as the box at the bottom of this discussion.) Don't forget that others may reply to your posts too!

4. • CommentRowNumber4.
   • CommentAuthorTobyBartels
   • CommentTimeOct 1st 2009
   • (edited Jul 26th 2010)
   • PermaLink
   Author: TobyBartels
   Format: Markdown**Feeds** Another motivation for the change was to allow [RSS](http://www.math.ntnu.no/~stacey/Vanilla/nForum/search.php?PostBackAction=Search&Type=Comments&Page=1&Feed=RSS2&CategoryID=5&FeedTitle=nLab+latest+changes) and [ATOM](http://www.math.ntnu.no/~stacey/Vanilla/nForum/search.php?PostBackAction=Search&Type=Comments&Page=1&Feed=ATOM&CategoryID=5&FeedTitle=nLab+latest+changes) feeds for latest changes. You can email [[Andrew Stacey]] if you want help. Of course, it is optional.

   Feeds

   Another motivation for the change was to allow RSS and ATOM feeds for latest changes. You can email Andrew Stacey if you want help. Of course, it is optional.

5. • CommentRowNumber5.
   • CommentAuthorTobyBartels
   • CommentTimeOct 1st 2009
   • (edited Jul 26th 2010)
   • PermaLink
   Author: TobyBartels
   Format: Markdown**Benefits to an account** You don't need an account to post to the Latest Changes category in the Forum, so you don't have to jump an extra hurdle to post your changes. However, you might want one! Here's why: * You won't have to type your name every time. * You can post in other categories on the Forum, where the future of the nLab is planned. * You can edit your own posts and comments. * When you visit the Forum, it will keep track of which posts you've read (in case you don't use a feed reader).

   Benefits to an account

   You don't need an account to post to the Latest Changes category in the Forum, so you don't have to jump an extra hurdle to post your changes. However, you might want one! Here's why:

   • You won't have to type your name every time.
   • You can post in other categories on the Forum, where the future of the nLab is planned.
   • You can edit your own posts and comments.
   • When you visit the Forum, it will keep track of which posts you've read (in case you don't use a feed reader).