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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 31_16Date: 2017Journal Homepage

On the Diophantine equation $x^2+5^a\cdot p^b=y^n$ 5263 - 5269
Musa Demırcı  
AbstractKeywords: Exponential Diophantine Equations; Primitive divisors of Lehmer sequencesMSC: 11D61; 11D41DOI:
Dynamics of a delayed competitive system affected by toxic substances with imprecise biological parameters 5271 - 5293
A K Pal, P Dolai and G P Samanta  
AbstractKeywords: Competing species; Imprecise parameters; Interval number; Time delay; Hopf bifurcationMSC: 92B05; 92D25; 92D30DOI:
Rough statistical cluster points 5295 - 5304
Salih Aytar  
AbstractKeywords: Rough convergence; Statistical convergence; Natural densityMSC: 40A05; 40A35DOI:
Improvement in companion of Ostrowski type inequalities for mappings whose first derivatives are of bounded variation and applications 5305 - 5314
Hüseyin Budak, Mehmet Zeki Sarikaya and Ather Qayyum  
AbstractKeywords: Function of bounded variation; Ostrowski type inequalities; Riemann-Stieltjes integralMSC: 26D15; 26A45; 26D10; 41A55DOI:
On I-lacunary statistical convergence of weight g of sequences of sets 5315 - 5322
Ekrem Savaş  
AbstractKeywords: I-statistical convergence; I-lacunary statistical convergence; Wijsman statistical convergence; statistical convergence of weight 1; Wijsman lacunary statistical convergenceMSC: 40A05; 40D25DOI:
Spectrum and l−spectrum of the power graph and its main supergraph for certain finite groups 5323 - 5334
Asma Hamzeh and Ali Reza Ashrafi  
AbstractKeywords: Power graph; main supergraph; spectrum; Laplacian spectrumMSC: 05C25; 05C50DOI:
Lie product preserving maps on $M_n (\mathbb{F})$ 5335 - 5344
Gregor Dolinar, Bojan Kuzma and Janko Marovt  
AbstractKeywords: Lie product; non-linear preserver; commutativityMSC: 47B49; 15A04; 15A27; 17B60DOI:
Maximality, fixed points and variational principles for mappings on quasi-uniform spaces 5345 - 5355
Raúl Fierro  
AbstractKeywords: fixed point; maximality; quasi-uniform spaces; variational principles; w-distanceMSC: 54E15; 47H04; 47H10; 65K10; 06A06DOI:
Fixed point results for (α, η, ψ, ξ)-contractive multi-valued mappings in Menger PM-spaces and their applications 5357 - 5368
Zhaoqi Wu, Chuanxi Zhu and Chenggui Yuan  
AbstractKeywords: (α; η; ψ; ξ)-contractive multi-valued mapping; α-η-T-complete Menger PM-space; α-η-T-continuity; fixed pointMSC: 47H10; 46S50; 47S50DOI:
The topology of $\theta_\omega$ -open sets 5369 - 5377
Samer Al Ghour and Bayan Irshedat  
AbstractKeywords: Generalized open sets; -closure; -open; separation axiomsMSC: 54A10; 54D10DOI:
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