참고문헌
- G. Di Maio and T. Noiri, On s-closed spaces, Indian J. pure appl. Math. 18 (1978), 226-233.
- J.E. Joseph, M.H. Kwack, On S-closed Spaces, Proc. Amer. Math. Soc. 80 (1980), 341-348.
- N. Levin, Semi-open sets and semi-continuity in topological spaces, Amer. Math. Monthly 70 (1963), 36-41. https://doi.org/10.2307/2312781
-
S. Kim, On weakened forms of (
${\theta},s$ )-continuity, Korean J. Math. 14 (2) (2006), 249-258. - S.N. Maheswari and R. Prasad, On s-regular spaces, Glasnik Mat. 10 (1975), 347-350.
-
T. Noiri, S. Jafari, Properties of (
${\theta},s$ )-continuous functions, Topology and its Applications, 123 (2002), 167-179. https://doi.org/10.1016/S0166-8641(01)00180-8 - T. Thomsen, S-closed spaces, Proc. Amer.Math. Soc. 60 (1976), 335-338.