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Front Page Publications de l'Institut MathématiquePublisher: Matematički institut SANU, BeogradISSN: 0350-1302Issue: (N.S.) 113 (127)Date: 2023Journal Homepage
 

Inverse Theorem for Certain Directional Gowers Uniformity Norms 1 - 56
Luka Milićević  
AbstractKeywords: directional uniformity norms; partition rank; biasMSC: 11B30 11E76DOI: https://doi.org/10.2298/PIM2327001M
An Alternative Proof of the Sombor Index Minimizing Property of Greedy Trees 57 - 65
Ivan Damnjanović and Dragan Stevanović  
AbstractKeywords: Sombor index; trees; degree sequence; greedy treeMSC: 05C09 05C35; 05C92DOI: https://doi.org/10.2298/PIM2327057D
$wt_0$-Distance and Best Proximity Points Involving $b$-Simulation Functions 67 - 81
Aleksandar Kostić, Hamidreza Rahimi and Ghasem Soleimani Rad  
AbstractKeywords: $wt_0$-distance; $b$-metric space; $b$-simulation function; best proximity pointMSC: 47H10; 41A65; 41A52 90C30; 54E50DOI: https://doi.org/10.2298/PIM2327067K
On Two Commutativity Criteria for $\boldsymbol\delta$-Prime Rings 83 - 92
Kamil Kular and Marcin Skrzyński  
AbstractKeywords: associative ring; commutativity criterion; derivation; $\delta$-ideal; $\delta$-primenessMSC: 16W25 16U99DOI: https://doi.org/10.2298/PIM2327083K
Determination of a Jump by $(E,q)$ Means of Fourier-Stieltjes Series 93 - 97
Jaeman Kim  
AbstractKeywords: Fejer's theorem; Fourier-Stieltjes series; function of bounded variation; $(E;q)$ meansMSC: 42A10; 42B08DOI: https://doi.org/10.2298/PIM2327093K
On Ćirić type theorems in $b$-metric spaces 99 - 108
Nguyen Van Dung  
AbstractKeywords: $b$-metric; fixed pointMSC: 47H10 54H25DOI: https://doi.org/10.2298/PIM2327099D
Certain Almost Kenmotsu Metrics Satisfying the Vacuum Static Equation 109 - 119
Arindam Bhattacharyya, Dhriti Sundar Patra and Manjusha Tarafdar  
AbstractKeywords: vacuum static equation; Reeb foliation; almost Kenmotsu manifold; Einstein manifold; nullity distributionMSC: 53D15 53C25; 53C21DOI: https://doi.org/10.2298/PIM2327109B
Characterization of Tight Wavelet Frames With Composite Dilations in $L^2(\mathbb R^n)$ 121 - 129
Owais Ahmad  
AbstractKeywords: wavelet frame; composite dilation; Fourier transformMSC: 42C40; 42C15 65T60DOI: https://doi.org/10.2298/PIM2327121A
Maps Preserving $n$-Tuple $A^*B-B^*A$ Derivations On Factor Von Neumann Algebras 131 - 140
Mohammad Shavandi and Ali Taghavi  
AbstractKeywords: $n$-tuple derivation; factor Von Neumann algebra; additive $*$-derivationMSC: 46J10; 47B48; 46L10DOI: https://doi.org/10.2298/PIM2327131S
 




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