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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 29_4Date: 2015Journal Homepage

Connectedness of Ideal Topological Spaces 661 - 665
Shyamapada Modak and Takashi Noiri  
AbstractKeywords: *-separated; *-Cl-connected; *-Cl-componentMSC: 54A05; 54A10DOI: 10.2298/FIL1504661M
On Weakly Hurewicz Spaces 667 - 671
Yan-Kui Song and Rui Li  
AbstractKeywords: selection principles; Hurewicz spaces; almost Hurewicz spaces; weakly Hurewicz spacesMSC: 54D20DOI: 10.2298/FIL1504667S
The Harmonic Index for Unicyclic Graphs With Given Girth 673 - 686
Lingping Zhong and Qing Cui  
AbstractKeywords: harmonic index; unicyclic graphs; girthMSC: 05C07 05C35DOI: 10.2298/FIL1504673Z
Some Remarks on Regular Integers Modulo $n$ 687 - 701
Brăduţ Apostol and László Tóth  
AbstractKeywords: regular integer (mod n); Euler's totient function; Jordan's function; Ramanujan's sum; unitary divisor; Bernoulli numbers and polynomials; Gamma function; finite trigonometric sums and products; cyclotomic polynomialMSC: 11A25 11B68; 11N37; 33B10; 33B15DOI: 10.2298/FIL1504687A
Ascent Sequences and Fibonacci Numbers 703 - 712
Toufik Mansour and Mark Shattuck  
AbstractKeywords: ascent sequence; kernel method; Fibonacci numberMSC: 05A15 05A05; 05A19DOI: 10.2298/FIL1504703M
Iterative Approximation of Fixed Points of Generalized Weak Presic Type $k$-Step Iterative Method for a Class of Operators 713 - 724
Mujahid Abbas, Dejan Ilić and Talat Nazir  
AbstractKeywords: Fixed point; weak contraction; kth-step iterative operator; equilibrium point; global attractivityMSC: 47H10 54H25; 65Q10; 65Q30DOI: 10.2298/FIL1504713A
Circular Surfaces $Cs(\alpha,p)$ 725 - 737
Sonja Gorjanc and Ema Jurkin  
AbstractKeywords: circular surface; singular point; congruence of circlesMSC: 51N20; 51M15DOI: 10.2298/FIL1504725G
Distance Integral Complete $r$-Partite Graphs 739 - 749
Ruosong Yang and Ligong Wang  
AbstractKeywords: complete r-partite graph; distance matrix; distance integral; graph spectrumMSC: 05C50 05C12; 11D04; 11D72DOI: 10.2298/FIL1504739Y
Remark on Sheffer Polynomials 751 - 756
S. J. Rapeli, Pratik Shah and A. K. Shukla  
AbstractKeywords: Appell sets; differential operator; Sheffer polynomialsMSC: 33C65; 33F99; 44A45DOI: 10.2298/FIL1504751R
Independence Number, Connectivity and Fractional $(g,f)$-Factors in Graphs 757 - 761
Qiuju Bian and Sizhong Zhou  
AbstractKeywords: graph; independence number; connectivity; (g;f)-factor; fractional (g;f)-factorMSC: 05C70 05C72; 05C35DOI: 10.2298/FIL1504757B
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