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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 31_16Date: 2017Journal Homepage Editorial BoardImpressum   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: https://doi.org/10.2298/FIL1716263D 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: https://doi.org/10.2298/FIL1716271P Rough statistical cluster points 5295 - 5304 Salih Aytar   AbstractKeywords: Rough convergence; Statistical convergence; Natural densityMSC: 40A05; 40A35DOI: https://doi.org/10.2298/FIL1716295A 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: https://doi.org/10.2298/FIL1716305B 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: https://doi.org/10.2298/FIL1716315S 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: https://doi.org/10.2298/FIL1716323H 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: https://doi.org/10.2298/FIL1716335D 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: https://doi.org/10.2298/FIL1716345F 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: https://doi.org/10.2298/FIL1716357W 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: https://doi.org/10.2298/FIL1716369A Article page: <<123

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