Açıkgöz, AhuNoiri, TakashiYüksel, Sa?ziye13.07.20192019-07-1613.07.20192019-07-1620100236-5294https://doi.org/10.1007/s10474-010-9107-9https://hdl.handle.net/20.500.12451/5103The main purpose of this paper is to introduce *-operfect, tau*-clopen, alpha-*-closed, strongly alpha-*-closed and pre-*-closed sets. We compare them and obtain a diagram to show their relationships among these sets and related sets.eninfo:eu-repo/semantics/embargoedAccess54C0854A05Article12701.Feb14615310.1007/s10474-010-9107-9Q2WOS:000276650900009N/A