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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 36_3Date: 2022Journal Homepage Editorial BoardImpressum   Some characterizations of strongly partial isometry elements in rings with involutions 843 - 851 Shiyin Zhao and Junchao Wei   AbstractKeywords: partial isometry; EP element; solutions of equationMSC: 15A09; 16U99; 16W10DOI: 10.2298/FIL2203843Z Fixed points of mappings on extended cone b-metric space over real Banach algebra 853 - 868 Wahid Ullah, Maria Samreen and Tayyab Kamran   AbstractKeywords: Extended b-metric space; cone metric space over real Banach algebra; fixed point; Reich type contractionMSC: 46F30; 47H10; 54H25DOI: 10.2298/FIL2203853U Some results in Cauchy-Stieltjes Kernel families 869 - 880 Raouf Fakhfakh   AbstractKeywords: Variance function; Cauchy kernel; Free additive convolution; Free Sheffer systems; Orthogonal polynomials; Boolean additive convolution; Boolean Gaussian distribution; Boolean Poisson distributionMSC: 60E10; 46L54DOI: 10.2298/FIL2203869F Remarks on r-separability of Pixley–Roy hyperspaces 881 - 886 Zuquan Li   AbstractKeywords: Pixley–Roy topology; R-separable; M-separable; co-finite set; c f -cover; rc f -coverMSC: 54B20; 54D20DOI: 10.2298/FIL2203881L The common solution of twelve matrix equations over the quaternions 887 - 903 Wei-Jie Yuan and Qing-Wen Wang   AbstractKeywords: General solution; Least-squares solution; Least norm; Quaternion algebra; Real representation; Matrix equationMSC: 15B33; 15A09; 15A24DOI: 10.2298/FIL2203887Y Domain of Padovan q-difference matrix in sequence spaces ℓp and ℓ∞ 905 - 919 Taja Yaying, Bipan Hazarika and S A Mohiuddine   AbstractKeywords: Padovan sequence space; q-difference matrix; α-; β- and γ-duals; matrix transformations; geometric properties; Hausdorff matrixMSC: 46A45; 11B39; 11B83; 26D15; 40G05; 46B45DOI: 10.2298/FIL2203905Y Conditions under which convergence of a sequence or its certain subsequences follows from deferred Cesàro summability 921 - 931 Sefa Anıl Sezer, Ibrahim Çanak and Hemen Dutta   AbstractKeywords: Deferred Cesàro means; Tauberian conditions and theorems; moving averages; deferred slow decrease; deferred slow oscillation; ordered linear spacesMSC: 40E05; 40A05; 40G99DOI: 10.2298/FIL2203921S Strong coupled proximal points of cyclic coupled proximal mappings using c k -class functions in s-metric spaces 933 - 944 G V R Babu, P Durga Sailaja and G Srichandana   AbstractKeywords: S-metric space; cyclic mapping; coupled fixed point; strong coupled fixed point; strong coupled proximal point; cyclic coupled proximal mappingMSC: 47H10; 54H25DOI: 10.2298/FIL2203933B New characterizations of the generalized B-T inverse 945 - 950 Sanzhang Xu and Dingguo Wang   AbstractKeywords: B-T inverse; Moore-Penrose inverseMSC: 15A09; 15A03; 06A06DOI: 10.2298/FIL2203945X On congruences with binomial coefficients and harmonic numbers 951 - 960 Sibel Koparal, Laid Elkhiri and Neşe Ömür   AbstractKeywords: Congruences; harmonic numbers; Bernoulli numbers and binomial coefficientsMSC: 11B50; 11A07; 11B65DOI: 10.2298/FIL2203951K Article page: <<123>>

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