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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 30_13Date: 2016Journal Homepage

Four Games on Boolean Algebras 3389 - 3395
Miloš S. Kurilić and Boris Šobot  
AbstractKeywords: Boolean algebra; game; forcing; independent realMSC: 91A44 03E40; 03E35; 03E05; 03G05; 06E10DOI: 10.2298/FIL1613389K
Moore--Penrose Inverse of Product Operators in Hilbert $C^*$-Modules 3397 - 3402
Mehdi Mohammadzadeh Karizaki, Mahmoud Hassani and Maryam Amyari  
AbstractKeywords: Moore-Penrose inverse; closed range; Hilbert $C^*$-moduleMSC: 46L08 47L60; 47B50; 46C05DOI: 10.2298/FIL1613397M
The Singular Acyclic Matrices of Even Order with a P-Set of Maximum Size 3403 - 3409
Zhibin Du and Carlos M. da Fonseca  
AbstractKeywords: trees; singular acyclic matrices; multiplicity; eigenvalues; P-set; P-verticesMSC: 15A18 15A48; 05C50DOI: 10.2298/FIL1613403D
Convex Sets in Proximal Relator Spaces 3411 - 3414
J. F. Peters  
AbstractKeywords: Closure of a set; Proximity relation; relatorMSC: 54E15 54E17; 03E15; 03E75DOI: 10.2298/FIL1613411P
An Inequality for Similarity Condition Numbers of Unbounded Operators with Schatten - von Neumann Hermitian Components 3415 - 3425
Michael Gil  
AbstractKeywords: operators; similarity; condition numbers; spectrum perturbations; operator functionMSC: 47A30 47A55; 47A56; 47B40DOI: 10.2298/FIL1613415G
Periodic Orbits of Nonlinear First-Order General Periodic Boundary Value Problem 3427 - 3434
Feng Wang, Fang Zhang, Hailong Zhu and Shengjun Li  
AbstractKeywords: general periodic boundary value problem; periodic orbits; existence; multiplicity; nonexistenceMSC: 34B15; 34B18DOI: 10.2298/FIL1613427W
Design of Exponential State Estimators for Neutral-Type Neural Networks with Mixed Time Delays 3435 - 3449
Bo Du  
AbstractKeywords: neutral-type neural networks; Lyapunov functional method; stabilityMSC: 34K35; 34K40; 34K20DOI: 10.2298/FIL1613435D
The Minimal Kirchho Index of Graphs with a Given Number of Cut Vertices 3451 - 3463
Kexiang Xu, Hongshuang Liu, Yujun Yang and Kinkar Ch. Das  
AbstractKeywords: graph; cut vertex; resistance distance; Kirchhoff indexMSC: 05C35 05C12DOI: 10.2298/FIL1613451X
A Geometric Characterization of Homogeneous Production Models in Economics 3465 - 3471
Xiaoshu Wang  
AbstractKeywords: production function; production hypersurface; Gauss curvature; sectional curvatureMSC: 35J96 91B38; 53C42DOI: 10.2298/FIL1613465W
Upper Bounds for the Signless Laplacian Spectral Radius of Graphs on Surfaces 3473 - 3481
Xiaodan Chen and Yaoping Hou  
AbstractKeywords: signless Laplacian; spectral radius; surface; Euler genus; outerplanar graph; Halin graphMSC: 05C50DOI: 10.2298/FIL1613473C
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