Not signed in (Sign In)

Not signed in

Want to take part in these discussions? Sign in if you have an account, or apply for one below

  • Sign in using OpenID

Site Tag Cloud

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 k-theory lie-theory limit 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 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 subobject superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

Vanilla 1.1.10 is a product of Lussumo. More Information: Documentation, Community Support.

Welcome to nForum
If you want to take part in these discussions either sign in now (if you have an account), apply for one now (if you don't).
    • CommentRowNumber1.
    • CommentAuthorEmily Riehl
    • CommentTimeMar 9th 2011

    Toward the bottom of the nLab entry on profunctors, there is code for defining a barred arrow in LaTeX, but I can’t understand it well enough to be able to use it. I realize the code is meant to go in the preamble, but what is the name of the command it is defining? I’ve experimented with several guesses but none seem to work.


    • CommentRowNumber2.
    • CommentAuthorAndrew Stacey
    • CommentTimeMar 9th 2011
    • (edited Mar 9th 2011)

    You need to use both amsmath and mathtools, the command is \xslashedrightarrow with two arguments, one optional. The following works for me (TeXLive 2010 on Linux):

      \ext@arrow 0055{\rightslashedarrowfill@}{#1}{#2}}
      A \xslashedrightarrow{b} C
    • CommentRowNumber3.
    • CommentAuthorEmily Riehl
    • CommentTimeMar 9th 2011


    • CommentRowNumber4.
    • CommentAuthorzskoda
    • CommentTimeMar 9th 2011

    nnForumers unfortunately pretty rarely in fact label articles with key tags. Unfortunately, only the author of the first post in every thread can set the labels; I think the registered users logged onto the system should be able to change the label, in fact add them at least. For example, I would like to add label LaTeX to this thread. I think the labels are more useful than mere site specific google search as they show that something is a topic, not just a sporadically mentioned word. What do you think ?

    • CommentRowNumber5.
    • CommentAuthorMike Shulman
    • CommentTimeMar 10th 2011

    I added some extra explanation to the page, and an alternate non-extensible definition.

    • CommentRowNumber6.
    • CommentAuthorAndrew Stacey
    • CommentTimeMar 10th 2011

    Zoran, sounds good to me. I don’t remember what the various permissions are at the moment, but it may be that it’s just myself and Toby that can add tags to posts. I could make it so that more … senior? … inhabitants also have that power.

    • CommentRowNumber7.
    • CommentAuthorzskoda
    • CommentTimeMar 10th 2011

    Well, most of people do not care anyway about such extra niceties, but I think several more active people like Eric, Urs and me do. I am sure I would sometimes use it for general good if that is not a big deal in setting up.