precovering

From pre- +‎ covering.

precovering (not comparable)

1. (mathematics) Synonym of precover
   • 2015, Junfu Wang, Zhaoyong Huang, “Applications of Exact Structures in Abelian Categories”, in arXiv‎:

     In this case, we get a strengthened version of the translation of the Wakamatsu lemma to the exact context, and also prove that subcategories which are ${\displaystyle {\mathcal {E}}}$-resolving and epimorphic precovering with kernels in their right ${\displaystyle {\mathcal {E}}}$-orthogonal class and subcategories which are ${\displaystyle {\mathcal {E}}}$-coresolving and monomorphic preenveloping with cokernels in their left ${\displaystyle {\mathcal {E}}}$-orthogonal class are determined by each other.

precovering

1. (astronomy) present participle and gerund of precover

• precovery