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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 35_6Date: 2021Journal Homepage

Some new separation axioms in fuzzy soft topological spaces 1775 - 1783
Islam M Taha  
AbstractKeywords: Fuzzy soft set; fuzzy soft topology; fuzzy soft Ti(i = 0; 1; 2; 3; 4) spaces; fuzzy soft regular; fuzzy soft normalMSC: 54A40; 06D72; 54D10; 54D15DOI: 10.2298/FIL2106775T
Generalized derivations vanishing on Co-Commutator identities in prime rings 1785 - 1801
Basudeb Dhara  
AbstractKeywords: Prime ring; derivation; generalized derivation; extended centroid; Utumi quotient ringMSC: 16W25; 16N60DOI: 10.2298/FIL2106785D
Hermite–Hadamard type inequalities via new exponential type convexity and their applications 1803 - 1822
Saad Ihsan Butt, Artion Kashuri and Jamshed Nasir  
AbstractKeywords: Convex function; (s; m)–exponential type convexity; Hermite–Hadamard inequality; Hölder inequality; power mean inequalityMSC: 26A51; 26A33; 26D07; 26D10; 26D15DOI: 10.2298/FIL2106803B
D p,q -classical orthogonal polynomials: an algebraic approach 1823 - 1839
Mabrouk Sghaier, Mohamed Zaatra and Mehdi Mechri  
AbstractKeywords: Orthogonal polynomials; (p; q)-difference operator; (p; q)-classical polynomial; Rodrigues formula; Recurrence relationMSC: 33C45; 42C05DOI: 10.2298/FIL2106823S
On the solvability of some nonlinear functional integral equations on L p (R + ) 1841 - 1850
Mahmoud Bousselsal  
AbstractKeywords: Existence; the space of Lebesgue integrable functions; measure of noncompactnessMSC: 45G10; 45M99; 47H09DOI: 10.2298/FIL2106841B
Two extensions of the stone duality to the category of zero-dimensional Hausdorff spaces 1851 - 1878
Georgi Dimov and Elza Ivanova-Dimova  
AbstractKeywords: Boolean (d)z-algebra; (maximal) Boolean z-map; Stone space; duality; (complete) Boolean algebra; zero-dimensional space; extremally disconnected space; zero-dimensional compactificationMSC: 18B30; 06E15; 18A40; 54D80; 54B30; 54D35DOI: 10.2298/FIL2106851D
On the Kesten-type inequality for randomly weighted sums with applications to an operational risk model 1879 - 1888
Yishan Gong, Yang Yang and Jiajun Liu  
AbstractKeywords: Randomly weighted sum; Subexponentiality; Kesten-type inequality; Dependence; Multivariate operational risk cell modelMSC: 62E20; 62H20DOI: 10.2298/FIL2106879G
Best proximity point theorems for proximal multi-valued contractions 1889 - 1897
Nuttawut Bunlue, Yeol Je Cho and Suthep Suantai  
AbstractKeywords: Best proximity point; fixed point; proximal multi-valued contraction; proximal multivalued nonexpansive mapping; starshaped setMSC: 47H09; 47H10; 54H25DOI: 10.2298/FIL2106889B
Advanced ordinary and fractional approximation by positive sublinear operators 1899 - 1913
George A Anastassiou  
AbstractKeywords: positive sublinear operators; generalized convolution type operators; modulus of continuity; iterated fractional deriva- tive; Caputo and Canavati fractional derivatives; ordinary and fractional approximationMSC: 26A33; 41A17; 41A25; 41A36DOI: 10.2298/FIL2106899A
Oscillation of three-dimensional time scale systems with fixed point theorems 1915 - 1925
Özkan Öztürk, Raegan Higgins and Georgia Kittou  
AbstractKeywords: three dimension; inequalities; existence; fixed point theoremsMSC: 34N05; 47H10; 39A10DOI: 10.2298/FIL2106915O
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