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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 27_1Date: 2013Journal Homepage

Hermite-Hadamard Type Inequalities for the $m$- and $(\alpha,m)$-Logarithmically Convex Functions 1 - 7
Rui-Fang Bai, Feng Qi and Bo-Yan Xi  
AbstractKeywords: Hermite-Hadamard type inequality; $m$-logarithmically convex function; $(\alpha;m)$-logarithmically convex functionMSC: 26D15 26A51DOI: DOI 10.2298/FIL1301001B
Duality Properties in Von Neumann Algebras of Projective Unitary Representations 9 - 13
Yizheng Li and Chengjun Hou  
AbstractKeywords: projective unitary representation; analysis operator; frame vectors; Orthogonal projectionMSC: 42C15DOI: DOI 10.2298/FIL1301009L
An Algorithm Using Moreau-Yosida Regularization for Minimization of a Nondifferentiable Convex Function 15 - 22
Milanka Gardašević-Filipović and Nada Đuranović-Miličić  
AbstractKeywords: rust region method; non-smooth convex optimization; Moreau--Yosida regularization; Dini directional derivative; semismooth functionMSC: 65K05 90C30; 90C25DOI: DOI 10.2298/FIL1301015G
Asymptotic Enumeration of Independent Sets on the Sierpinski Gasket 23 - 40
Shu-Chiuan Chang, Lung-Chi Chen and Weigen Yan  
AbstractKeywords: independent sets; Sierpinski gasket; recursion relations; asymptotic growth constantMSC: 05C30 05C69DOI: DOI 10.2298/FIL1301023C
Distance-Based Graph Invariants of Trees and the Harary Index 41 - 50
Stephan Wagner, Hua Wang and Xiao-Dong Zhang  
AbstractKeywords: distances; tree; Wiener index; Harary index; Greedy treeMSC: 05C12 05C05DOI: DOI 10.2298/FIL1301041W
A Lower Bound for the Harmonic Index of a Graph With Minimum Degree at Least Two 51 - 55
Renfang Wu, Zikai Tang and Hanyuan Deng  
AbstractKeywords: graph; the harmonic index; the minimum degreeMSC: 05C07 05C15DOI: 10.2298/FIL1301051W
On One-Factorizations of Replacement Products 57 - 63
Alireza Abdollahi and Amir Loghman  
AbstractKeywords: replacement product; one-factorization; fullerene; nanotorusMSC: 05C15 05C70DOI: DOI 10.2298/FIL1301057A
The Perturbation of the Group Inverse Under the Stable Perturbation in a Unital Ring 65 - 74
Fapeng Du and Yifeng Xue  
AbstractKeywords: generalized inverse; group inverse; stable perturbationMSC: 15A09 65F20DOI: DOI 10.2298/FIL1301065D
Improved Results on the Drazin Inverse of a $2\times2$ Block Matrix in Terms of Banachiewicz-Schur Forms 75 - 83
Xifu Liu and Hu Yang  
AbstractKeywords: Drazin inverse; block matrix; generalized Schur complementMSC: 15A09DOI: DOI 10.2298/FIL1301075L
A Note on Spaces Between Normal and $k$-Normal Spaces 85 - 88
Ananga Kumar Das  
AbstractKeywords: Mildly normal spaces; $k$-normal spaces; $\bigtriangleup$-normal spaces; $\pi$-normal spaces; quasi normal spaces; densely normal spacesMSC: 54D15DOI: DOI 10.2298/FIL1301085D
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