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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 26_4Date: 2012Journal Homepage

Preservations of $so$-Metrizable Spaces 801 - 807
Shou Lin and Ying Ge  
AbstractKeywords: perfect mapping; sequence-covering mapping; sequential coreflectionMSC: 54C10 54D80;54E40DOI: 10.2298/FIL1204801L
An Iterative Solution to Coupled Quaternion Matrix Equations 809 - 826
Caiqin Song, Guoliang Chen and Xiangyun Zhang  
AbstractKeywords: quaternion linear operator; real inner product; least Frobenius norm solution; optimal approximation solutionMSC: 15A06; 15A24;47S10DOI: 10.2298/FIL1204809S
A Commutator Approach to Buzano's Inequality 827 - 832
Maryam Khosravi, Roman Drnovšek and Mohammad Sal Moslehian  
AbstractKeywords: operator inequality; singular valueMSC: 47A63 15A42;47B47DOI: 10.2298/FIL1204827K
Some Generalizations of Caristi Type Fixed Point Theorem on Partial Metric Spaces 833 - 837
Özlem Acar and Ishak Altun  
AbstractKeywords: Caristi type theoremMSC: 54H25 47H10DOI: 10.2298/FIL1204833A
Remarks on $S_i$-Separation Axioms 839 - 844
Xun Ge, Songlin Yang and Yuping Cao  
AbstractKeywords: $S_2$-separation axiom; $T_0$-separation axiom; $T_1$-separation axiom; $T_2$-separation axiomMSC: 54A05 54D10DOI: 10.2298/FIL1204839G
On the Multidimensional Hilbert-Type Inequalities Involving the Hardy Operator 845 - 857
Mario Krnić  
AbstractKeywords: Hilbert inequality; Hardy inequality; conjugate exponents; on-conjugate exponents; best possible constant factorsMSC: 26D15DOI: 10.2298/FIL1204845K
On Carlsson Type Orthogonality and Characterization of Inner Product Spaces 859 - 870
Eder Kikianty and Sever S. Dragomir  
AbstractKeywords: Carlsson orthogonality; Pythagorean orthogonality; isosceles orthogonalityMSC: 46B20 46C15DOI: 10.2298/FIL1204859K
A New Application of Certain Generalized Power Increasing Sequences 871 - 879
Hüseyin Bor, H. M. Srivastava and Waadallah T. Sulaiman  
AbstractKeywords: Absolute summability; almost increasing sequences; quasi-$\beta$-power increasing sequences; Cesàro means; quasi-$f^{(\beta;\sigma)}$-power increasing sequences; infinite seriesMSC: 40D15 40F05;40G99DOI: 10.2298/FIL1204871B
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