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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 32_11Date: 2018Journal Homepage
 

On k-circulant Matrices with the Lucas Numbers 4037 - 4046
Biljana Radičić  
AbstractKeywords: k-circulant matrix; Lucas numbers; eigenvalues; Euclidean norm; spectral normMSC: 15B05; 11B39; 15A18; 15A60DOI: 10.2298/FIL1811037R
On Normal Graph of a Finite Group 4047 - 4059
Ali Reza Ashrafi and Fatemeh Koorepazan−Moftakhar  
AbstractKeywords: normal graph; automorphism group; conjugacy classMSC: 20B25; 20B40DOI: 10.2298/FIL1811047A
On Some Deddens Subspaces of Banach Algebras 4061 - 4068
Mubariz T Garayev, Mehmet Gurdal and Havva Tilki  
AbstractKeywords: Banach algebra; Deddens subspace; Deddens algebra; Idempotent element; Nilpotent elementMSC: 46H10; 47B10DOI: 10.2298/FIL1811061G
On Extremal Cacti with Respect to the Edge Szeged Index and Edge-vertex Szeged Index 4069 - 4078
Shengjie He, Rong-Xia Hao and Aimei Yu  
AbstractKeywords: edge Szeged index; edge-vertex Szeged index; cactusMSC: 05C40; 05C40; 05C90DOI: 10.2298/FIL1811069H
From Hom(A,X) Hom(B,X) to A B 4079 - 4087
Ehsan Momtahan, Afshin Amini and Babak Amini  
AbstractKeywords: Hom-tensor relation; Yoneda’s Lemma; abelian groupsMSC: 16D10; 20K15; 20K30DOI: 10.2298/FIL1811079M
Jordan Derivations of Generalized One Point Extensions 4089 - 4098
Yanbo Li and Feng Wei  
AbstractKeywords: generalized one-point extension; dual extension; Jordan derivationMSC: 16W25; 47B47DOI: 10.2298/FIL1811089L
The Morita Contexts and Galois Extensions for Weak Hopf Group Coalgebras 4099 - 4112
Ling Jia  
AbstractKeywords: weak Hopf pi-coalgebra; Morita context; weak Hopf group Galois extension; weak pi-integralMSC: 16W30DOI: 10.2298/FIL1811099J
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