semicoverings

Noun

semicovering (plural semicoverings)

1. A projection that has the property that for any projection onto its image, it is possible to find a corresponding projection onto its domain such that locally constant regions about a point projected onto the image have locally constant images in the domain.
   • In this paper, by reviewing the concept of semicovering maps, we present some conditions under which a local homeomorphism becomes a semicovering map.2016, Majid Kowkabi, Behrooz Mashayekhy, Hamid Torabi, “When Is a Local Homeomorphism a Semicovering map?”, in arXiv
2. Something that partially covers, revealing or exposing a portion.
   • Always above the trees was a semicovering of taller jungle-variety trees.1970, Stan Best, The Hidden City of the Amazon, →ISBN

See all 3 meanings of semicovering