Definition
A subset S of a topological space X is called semipreopen iff .
Reference
- D. Andrijevic, Semi–preopen sets, Mat. Vesnik 38 (1) (1986), 24–32.
- M. Ganster, Some remarks on strongly compact spaces and semi compact spaces, Bull. Malaysian Math. Soc. (10) 2 (1987), 67–81.