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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 34_11Date: 2020Journal Homepage Editorial BoardImpressum   Schur convexity of mixed mean of n variables involving three parameters 3663 - 3674 Dong-Sheng Wang, Huan-Nan Shi and Chun-Ru Fu   AbstractKeywords: mixed mean of n variables; Schur convexity; Schur geometric convexity; Schur harmonic convexity; majorization; inequalitiesMSC: 26E60; 26D15; 26A51DOI: 10.2298/FIL2011663W On nonsingularity and group invertibility of combinations of two group invertible matrices 3675 - 3687 Yu Li and Kezheng Zuo   AbstractKeywords: rank; group invertibility; invertibility; combinationMSC: 15A09; 15A24DOI: 10.2298/FIL2011675L Convergence and stability of an iterative algorithm for strongly accretive Lipschitzian operator with applications 3689 - 3704 Vivek Kumar, Nawab Hussain, Abdul Rahim Khan and Faik ¨ Gürsoy   AbstractKeywords: Iterative algorithm; fixed point; stability; strongly accretive operatorMSC: 47H05; 47H06; 54H10DOI: 10.2298/FIL2011689K Some singular value inequalities related to linear maps 3705 - 3709 Junjian Yang, Linzhang Lu and Zhen Chen   AbstractKeywords: Block matrices; Singular value inequalities; Linear mapsMSC: 15A45; 15A60DOI: 10.2298/FIL2011705Y A note on the Schwarz lemma for harmonic functions 3711 - 3720 Marek Svetlik   AbstractKeywords: The Schwarz lemma; the Schwarz-Pick lemma; harmonic functionsMSC: 30C80; 31C05; 30C75DOI: 10.2298/FIL2011711S Ordering of the unicyclic signed graphs with perfect matchings by their minimal energies 3721 - 3745 Ling Yuan and Wen-Huan Wang   AbstractKeywords: Unicyclic signed graphs; perfect matching; ordering; minimal energyMSC: 05C35DOI: 10.2298/FIL2011721Y Hemi-slant ξ ⊥ −Riemannian submersions in contact geometry 3747 - 3758 Ramazan Sari and Mehmet Akif Akyol   AbstractKeywords: Sasakian manifold; Riemannian submersion; hemi-slant ξ⊥-Riemannian submersion; horizontal distribution; second fundamental form of a mapMSC: 53C15; 53C40DOI: 10.2298/FIL2011747S A note on the potential function of an arbitrary graph H 3759 - 3766 Jianhua Yin and Guangming Li   AbstractKeywords: Graphic sequence; Potentially H-graphic sequence; Potential functionMSC: 05C35; 05C07DOI: 10.2298/FIL2011759Y Gray's decomposition on doubly warped product manifolds and applications 3767 - 3776 Hoda K El-Sayied, Carlo A Mantica, Sameh Shenawy and Noha Syied   AbstractKeywords: Codazzi Ricci tensor; doubly warped manifolds; Killing Ricci tensor; doubly warped space-times; Einstein-like manifoldsMSC: 53C21; 53C25; 53C50; 53C80DOI: 10.2298/FIL2011767E Best simultaneous approximation on metric spaces via monotonous norms 3777 - 3787 Mona Khandaqji and Aliaa Burqan   AbstractKeywords: Simultaneous; ApproximationMSC: 41Axx 41A50; 41A28DOI: 10.2298/FIL2011777K Article page: <<123>>

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