τiτj − Q∗ sf OPEN SETS ON FINE-BITOPOLOGICAL SPACES
By
Sushma Duraphe, Tarun Kumar Deshmukh and Geeta Modi
Department of Mathematics, Government MVM Bhopal Madhya Pradesh India-462008.
Email: duraphe sus65@rediffmail.com, trndeshmukh@gmail.com, modi.geeta@gmail.com
(Received: June 06, 2023; In format June 14, 2023; Revised: April 20, 2024, Accepted : May 07, 2024)
DOI: https://doi.org/10.58250/jnanabha.2024.54134
Abstract
In the present paper, we introduce the concept of τiτj − Q ∗ sf open set and τiτj − Q ∗ sf closed set in fine-bitopological spaces and discuss some of its basic properties .
2020 Mathematical Sciences Classification: 54E55, 54C08, 54C10
Keywords and Phrases: Fine-Bitopological spaces, τiτj − Q ∗ semi fine open sets (τiτj − Q ∗ sf open sets), τiτj − Q ∗ semi fine closed sets (τiτj − Q ∗ sf closed sets), τ2-semi fine open sets (τ2 − sfopen sets), τ2-semi fine closed sets (τ2 − sf closed sets).