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1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeDec 13th 2012
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   Author: Urs
   Format: MarkdownItexadded to _[[Massey product]]_ a paragraph on their relation to $A_\infty$-algebras and a bunch of references on that relation

   added to Massey product a paragraph on their relation to $A_\infty$-algebras and a bunch of references on that relation

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeDec 13th 2012
   • PermaLink
   Author: Urs
   Format: MarkdownItexadded _[Massey product -- References -- In ordinary differental cohomology](http://ncatlab.org/nlab/show/Massey+product#ReferencesInOrdinaryDifferentialCohomology)_.

   added Massey product – References – In ordinary differental cohomology.

3. • CommentRowNumber3.
   • CommentAuthorDavid_Corfield
   • CommentTimeNov 4th 2015
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   Author: David_Corfield
   Format: MarkdownItexAdded * Daniel Grady, [[Hisham Sati]], _Massey products in differential cohomology via stacks_ ([arXiv:1510.06366](http://arxiv.org/abs/1510.06366)). to the references. The former author has a [PhD thesis](http://d-scholarship.pitt.edu/25944/1/DanielGrady-Masseyproducts_1.pdf) of the same name.

   Added

   • Daniel Grady, Hisham Sati, Massey products in differential cohomology via stacks (arXiv:1510.06366).

   to the references. The former author has a PhD thesis of the same name.

4. • CommentRowNumber4.
   • CommentAuthorUrs
   • CommentTimeMar 13th 2018
   • (edited Mar 13th 2018)
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   Author: Urs
   Format: MarkdownItexBriefly recorded ([here](https://ncatlab.org/nlab/show/Massey+product#RelationToSteenrodSquares)) the fact that $$ \omega \cup \left\langle \omega_1, \omega, \omega_2 \right\rangle \;=\; \omega_1 \cup \omega_2 \cup Sq^{ deg(\omega) -1 }( \omega ) \,. $$

   Briefly recorded (here) the fact that

   $$\omega \cup \left\langle \omega_1, \omega, \omega_2 \right\rangle \;=\; \omega_1 \cup \omega_2 \cup Sq^{ deg(\omega) -1 }( \omega ) \,.$$