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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 36_15Date: 2022Journal Homepage

The method of lower and upper solutions for Sobolev type Hilfer fractional evolution equations 4983 - 5002
Hai-De Gou  
AbstractKeywords: Lower and upper solution; mild solutions; Hilfer fractional derivative; Measure of noncompactness. Monotone iterative techniqueMSC: 26A33; 34A08; 34A12; 34A37; 34K40DOI: 10.2298/FIL2215983G
Characterizations of double Hausdorff matrices and best approximation of conjugate of a function in generalized Hölder space 5003 - 5028
H K Nigam and Manoj Kumar Sah  
AbstractKeywords: Generalized Hölder space (H(ξ1; ξ2)r; r ≥ 1); double Hausdorff matrices; double conjugate Fourier series; error estimation of function; modulus of continuityMSC: 42A10; 40G05DOI: 10.2298/FIL2215003N
Zero-divisor graph of the rings CP(X) and CP∞ (X) 5029 - 5046
Sudip Kumar Acharyya, Atasi Deb Ray and Pratip Nandi  
AbstractKeywords: Triangulated; hypertriangulated; complemented; chromatic number; space of minimal prime ideals; girth; dominating numberMSC: 54C40; 05C69DOI: 10.2298/FIL2215029A
Nonlinear sequential fractional boundary value problems involving generalized ψ-Caputo fractional derivatives 5047 - 5058
Nguyen Minh Diena  
AbstractKeywords: Nonlinear differential equations; boundary value problems; fractional derivativesMSC: 34A08; 26A33; 26D10; 34L15DOI: 10.2298/FIL2215047D
On matrix polynomials Ln(M,δ,λ) (x) 5059 - 5072
Vinod Kumar Jatav and A K Shukla  
AbstractKeywords: Matrix polynomial; Generating matrix function; Generalized hypergeometric matrix function; Fractional integral and derivativeMSC: 33C20; 15A15; 33C45; 26A33; 33E20DOI: 10.2298/FIL2215059J
Existence of a renormalized solutions to a nonlinear system in Orlicz spaces 5073 - 5092
Yassine Ahakkouda, Jaouad Bennounaa and Mhamed Elmassoudia  
AbstractKeywords: Renormalized solutions; nonlinear elliptic equations; nonlinear parabolic equations; weak solutions; Orlicz-Sobolev spacesMSC: 35M10; 35J60; 35K65DOI: 10.2298/FIL2215073A
An equivalent condition for a pseudo (k0 , k 1 )-covering space 5093 - 5105
Sang-Eon Han  
AbstractKeywords: Pseudo-local (k0; k1)-isomorphism; weakly local (k0; k1)-isomorphism; digital-topological imbedding; embedding; pseudo-covering; unique pseudo-lifting propertyMSC: 54C08; 68R10; 05C40DOI: 10.2298/FIL2215093H
Kantorovich variant of Stancu operators 5107 - 5117
Vijay Gupta and Anjali  
AbstractKeywords: Stancu operators; Kantorovich variant; Voronovskaja theorem; Simultaneous approximation; Difference estimateMSC: 41A10; 41A25; 41A30DOI: 10.2298/FIL2215107G
Reverse order law for the core inverse of a product of two complex matrices 5119 - 5130
Tingting Li  
AbstractKeywords: Core inverse; reverse order law; hybrid reverse order lawMSC: 15A09; 15A23; 15A24DOI: 10.2298/FIL2215119L
EP elements, partial isometries and solutions of some equations 5131 - 5138
Bakri Gadelseed and Junchao Wei  
AbstractKeywords: EP elements; Partial isometries; Strongly EP elements; Symmetric elements; Normal elements; Solutions of equationsMSC: 15A09; 16U99; 16W10DOI: 10.2298/FIL2215131G
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