subproper

English

Etymology

From sub- +‎ proper.

Adjective

subproper (not comparable)

1. (mathematics) Having some of the key characteristics of the proper property (which ones depend on the type of proper property).
   • 1987, Journal of the Optical Society of America, page 1795:

     An object can have several subproper centers or none at all. Figure 2 shows the proper center and some subproper centers for the letter E.

   • 1988, Reviews in Global Analysis, 1980-86, page 344:

     The author establishes some basic properties and two surjectivity theorems for subproper operators.

   • 2016, Shou Lin, Ziqiu Yun, Generalized Metric Spaces and Mappings, page 101:

     Obviously, each perfect mapping is a proper mapping, each proper mapping is a subproper mapping and each subproper mapping is a compact-covering mapping.