coeffective

From co- + effective.

coeffective (not comparable)

1. (mathematics) effective within a cohomology
   • 2015, Cristian Ida, Paul Popescu, “Coeffective basic cohomologies of ${\displaystyle K}$--contact and Sasakian manifolds”, in arXiv‎^[1]:

     Also, in this case, we prove some Hodge decomposition theorems for coeffective basic de Rham cohomology, relating this cohomology with coeffective basic Dolbeault or Bott-Chern cohomology.

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