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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 29_8Date: 2015Journal Homepage

Optimal Orientations of some Complete Tripartite Graphs 1681 - 1687
G. Rajasekaran and R. Sampathkumar  
AbstractKeywords: complete tripartite graph; orientation numberMSC: 05C20 05C12DOI: 10.2298/FIL1508681R
Buzano Inequality in Inner Product $C^*$-modules Via the Operator Geometric Mean 1689 - 1694
Jun Ichi Fujii, Masatoshi Fujii and Yuki Seo  
AbstractKeywords: inner product C*-module; Buzano inequality; operator geometric mean; Caucht-Schwarz inequalityMSC: 46L08 47A63DOI: 10.2298/FIL1508689F
On Ostrowski Type Inequalities and Čebyšev Type Inequalities With Applications 1695 - 1713
Mehmet Eyüp Kiris and Mehmet Zeki Sarikaya  
AbstractKeywords: Ostrowski type inequalities; convex function; composite quadrature rule; Hölder inequality; $L_p$ spacesMSC: 26D10; 26D15 26A07DOI: 10.2298/FIL1508695K
The Zero Divisor Graphs of Finite Rings of Cubefree Order 1715 - 1720
Adel Tadayyonfar and Ali Reza Ashrafi  
AbstractKeywords: zero divisor graph; finite ring; extended join of graphsMSC: 13A99 16U99; 05C50DOI: 10.2298/FIL1508715T
A General Rational Sum Identity 1721 - 1727
Aimin Xua  
AbstractKeywords: divided difference; identity; inverse pair; $q$-analogMSC: 05A19 05A10DOI: 10.2298/FIL1508721X
Group Unified Coprodcuts and Related Quasitriangular Structures 1729 - 1751
Juan Tang, Quan-Guo Chen and Yong Fang  
AbstractKeywords: Hopf $\pi$-coalgebra; quasitriangular structure; unified coproductMSC: 16W30DOI: 10.2298/FIL1508729T
A Prey-Predator Model With Infection in Both Prey and Predator 1753 - 1767
S. P. Bera, A. Maiti and G. P. Samanta  
AbstractKeywords: prey-predator system; boundedness; stabilityMSC: 92B05 92D25; 92D30DOI: 10.2298/FIL1508753B
Fuzzy Hyper $p$-Ideals of Hyper BCK-algebras 1769 - 1780
M. Aslam Malik and Muhammad Touqeer  
AbstractKeywords: reflexive hyper BCK-ideal; (Fuzzy) hyper $p$-ideal; (fuzzy) weak hyper $p$-ideal; (fuzzy) strong hyper $p$-ideal; hyper homomorphic pre-imageMSC: 08A72DOI: 10.2298/FIL1508769M
Analogies Between the Geodetic Number and the Steiner Number of some Classes of Graphs 1781 - 1788
Ismael G. Yero and Juan A. Rod'riguez-Velázquez  
AbstractKeywords: geodetic sets; Steiner sets; corona graphMSC: 05C69; 05C12; 05C76DOI: 10.2298/FIL1508781Y
On a Class of Operators With Normal Aluthge Transformations 1789 - 1794
Yousef Estaremi  
AbstractKeywords: conditional expectation; Aluthge transformation; normal operatorsMSC: 47B47DOI: 10.2298/FIL1508789E
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