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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 35_1Date: 2021Journal Homepage
 

On refined generalised quasi-adequate transversals 299 - 313
Xiangjun Kong and Pei Wang  
AbstractKeywords: abundant semigroup; quasi-adequate semigroup; quasi-ideal; Green’s ∗-relations; RGQA transversalMSC: 20M10DOI: 10.2298/FIL2101299K
A new quaternion valued frame of curves with an application 315 - 330
Gizem Cansu, Yusuf Yaylı and Ísmail Gök  
AbstractKeywords: Quaternionic curve; Quaternionic helix; Frenet formulasMSC: 53A04; 11R52DOI: 10.2298/FIL2101315C
Fractional order convergence rate estimate of finite-difference method for the heat equation with concentrated capacity 331 - 338
Bratislav V Sredojević and Dejan R Bojović  
AbstractKeywords: Partial differential equations; Delta function; Sobolev space; ConvergenceMSC: 65M12; 65M15DOI: 10.2298/FIL2101331S
Neighbourhood star selection properties in bitopological spaces 339 - 351
Rachid Lakehal, Ljubiša D R Kočinac and Djamila Seba  
AbstractKeywords: Selection principles; star-Menger; star-Rothberger; star-Hurewicz; (i; j)-NSM; (i; j)-wNSM; (i; j)-aNSMMSC: 54D20; 54B05; 54C05; 54C10; 54E55DOI: 10.2298/FIL2101339L
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