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1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeMay 12th 2015
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   Author: Urs
   Format: MarkdownItexadded to _[[differential operator]]_ the characterization via bundle maps out of a jet bundle, together with the note that this means that differential operators are equivalently morphisms in the co-Kleisli category of the Jet bundle comonad.

   added to differential operator the characterization via bundle maps out of a jet bundle, together with the note that this means that differential operators are equivalently morphisms in the co-Kleisli category of the Jet bundle comonad.

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeMay 12th 2015
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   Author: Urs
   Format: MarkdownItexadded also pointer to [Saunders 89, def. 6.2.22](http://ncatlab.org/nlab/show/differential+operator#Saunders89)

   added also pointer to Saunders 89, def. 6.2.22

3. • CommentRowNumber3.
   • CommentAuthorDmitri Pavlov
   • CommentTime2 days ago
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   Author: Dmitri Pavlov
   Format: MarkdownItexAdded: A coordinate-free definition of a linear differential operator suitable for [[algebraic geometry]] was introduced by [[Grothendieck]] in Proposition IV.16.8.8(b) of * [[A. Grothendieck]], [[J. Dieudonné]]. _[[Éléments de géométrie algébrique]] IV. Étude locale des schémas et des morphismes des schémas, Quatrième partie_, Publications Mathematiques de l’IHÉS 32, 5–361, 1967. <a href="https://ncatlab.org/nlab/revision/diff/differential+operator/19">diff</a>, <a href="https://ncatlab.org/nlab/revision/differential+operator/19">v19</a>, <a href="https://ncatlab.org/nlab/show/differential+operator">current</a>

   Added:

   A coordinate-free definition of a linear differential operator suitable for algebraic geometry was introduced by Grothendieck in Proposition IV.16.8.8(b) of

   • A. Grothendieck, J. Dieudonné. Éléments de géométrie algébrique IV. Étude locale des schémas et des morphismes des schémas, Quatrième partie, Publications Mathematiques de l’IHÉS 32, 5–361, 1967.

   diff, v19, current