Journal of K-Theory
We explain how higher homotopy operations, defined topologically, may be identified under mild assumptions with (the last of) the Dwyer-Kan-Smith cohomological obstructions to rectifying homotopy-commutative diagrams. © 2010 ISOPP.
Blanc, David; Johnson, Mark W.; and Turner, James M., "Higher homotopy operations and cohomology" (2010). University Faculty Publications and Creative Works. 268.