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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 36_11Date: 2022Journal Homepage Editorial BoardImpressum   On hyponormality of the sum of two composition operators 3561 - 3572 Yoenha Kim and Eungil Ko   AbstractKeywords: Composition operator; hyponormal operator; linear combination of composition operatorsMSC: 47B33; 47B20; 47B38DOI: 10.2298/FIL2211561K Existence result for stochastic fractional coupled system 3573 - 3591 Noureddine Bouteraa   AbstractKeywords: Stochastic equation; Mild solution; Fractional derivative; Fixed point theoremMSC: 35R11; 40G05DOI: 10.2298/FIL2211573B Linear inequalities via extension of Montgomery identity and weighted Hermite-Hadamard inequalities with and without green functions 3593 - 3608 Shaista Alamgir, Asif R Khan and Josip E Pečarić   AbstractKeywords: Convex functions; Weighted Hermite Hadamard and Montgomery IdentityMSC: 26A51; 39B62; 26D15; 26D20; 26D99DOI: 10.2298/FIL2211593A On the Karush-Kuhn-tucker reformulation of the bilevel optimization problems on Riemannian manifolds 3609 - 3624 Jiagen Liao and Zhongping Wan   AbstractKeywords: Bilevel optimization problem; KKT reformulation; Riemannian manifolds; optimality conditionsMSC: 26B25; 90C26DOI: 10.2298/FIL2211609L On an open problem of Lü, Li and Yang 3625 - 3640 Sujoy Majumder and Arup Dam   AbstractKeywords: Meromorphic function; derivative; small functionMSC: 30D35DOI: 10.2298/FIL2211625M The infinite-time ruin probability for a bidimensional risk model with dependent geometric Lévy price processes 3641 - 3654 Bingjie Wang, Dongya Cheng and Jigao Yan   AbstractKeywords: Bidimensional risk model; Geometric Le´vy price process; Consistently varying tail; Strongly asymptotic independence; Ruin probabilityMSC: 62E20; 62H20DOI: 10.2298/FIL2211641W Approximation by Szász-Baskakov operators based on boas-buck-type polynomials 3655 - 3673 Melek Sofyalıoğlu and Kadir Kanat   AbstractKeywords: Boas-Buck-type polynomials; Weighted space; Voronovskaya-type theorem; Weighted Modulus of ContinuityMSC: 41A25; 41A36; 47A58DOI: 10.2298/FIL2211655S On local spectral properties of extended Hamilton operators 3675 - 3678 Wurichaihu Bai and Alatancang Chen   AbstractKeywords: Extended Hamilton operators; local spectral property; Weyl type theoremMSC: 47A11; 47A05; 47A15DOI: 10.2298/FIL2211675B Estimates concerned with Hankel determinant for M (α) class 3679 - 3688 Selin Aydinoğlu and Bülent Nafi Örnek   AbstractKeywords: Fekete-Szegö functional; Hankel determinant; Analytic function; Schwarz lemma. Angular derivativeMSC: 30C80; 32A10DOI: 10.2298/FIL2211679A Existence, compactness, estimates of eigenvalues and s-numbers of a resolvent for a linear singular operator of the Korteweg-de Vries type 3689 - 3700 M B Muratbekov and A O Suleimbekov   AbstractKeywords: Korteweg-de Vries type singular operator; separabilityMSC: 47A10; 35L81DOI: 10.2298/FIL2211689M Article page: 123>>

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