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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 32_3Date: 2018Journal Homepage Editorial BoardImpressum   Differential operator equations with interface conditions in modified direct sum spaces 921 - 931 Kadriye Aydemir, Hayati Olğar, Oktay Sh Mukhtarov and Fahreddin Mukhtarov   AbstractKeywords: Sturm-Liouville problem; eigenvalues; abstract linear operatorMSC: 34A36; 34B08; 34B24DOI: 10.2298/FIL1803921A On the stability of a differential-difference analogue of a two-dimensional problem of integral geometry 933 - 938 Galitdin Bakanov   AbstractKeywords: Integral geometry problem; differential-difference problem; stability; uniquenessMSC: 65N06; 65N20; 65N21DOI: 10.2298/FIL1803933B About solvability of some boundary value problems for Poisson equation in the ball 939 - 946 Maira Koshanov, Batirkhan Kh Turmetov and Kairat Usmanov   AbstractKeywords: Fractional derivative; Hadamard operator; Poisson equation; Neumann problem; periodic problem; Samarskii-Ionkin problemMSC: 35J05 35J25 34B10; 26A33DOI: 10.2298/FIL1803939K On solvability of some boundary value problems for a biharmonic equation with periodic conditions 947 - 953 Batirkhan Turmetov and Valery Karachik   AbstractKeywords: Biharmonic equation; periodic boundary value problem; solvability; existence and uniqueness of solutionMSC: 35J40; 31A30; 31B30DOI: 10.2298/FIL1803947T Non-commutative H E(A; ∞ ) and H A(A; 1 ) spaces 955 - 964 Kanat Serikovich Tulenov and O M Zholymbayev   AbstractKeywords: von Neumann algebra; subdiagonal algebra; non-commutative vector valued symmetric Hardy space; conditional expectationMSC: 46L51; 46L52DOI: 10.2298/FIL1803955T On a homogeneous parabolic problem in an infinite corner domain 965 - 974 Muvasharkhan Jenaliyev and Murat Ramazanov   AbstractKeywords: Heat equation; boundary value problems; nontrivial solutionMSC: 35K05; 35K20DOI: 10.2298/FIL1803965J On discrete pseudo-differential operators and equations 975 - 984 Vladimir Vasilyev   AbstractKeywords: Discrete operator; discrete Sobolev–Slobodetskii space; periodic wave factorization; periodic boundary value problemMSC: 47G30; 42B20; 42B37DOI: 10.2298/FIL1803975V Exact solution of the one phase inverse Stefan problem 985 - 990 Merey M Sarsengeldin, Stanislav N Kharin, Samat Kassabek and Zamanbek Mukambetkazin   AbstractKeywords: Integral error function; inverse one phase Stefan problem; exact solution; electric contactsMSC: 80A22; 33B20DOI: 10.2298/FIL1803985S Multi-stage stochastic model in portfolio selection problem 991 - 1001 Shokoofeh Banihashemi, Ali Moayedi Azarpour and Marziye Kaveh   AbstractKeywords: Portfolio; multi-period investment; risk measures; genetic algorithmMSC: 91G10; 90C30; 92D10DOI: 10.2298/FIL1803991B Mathematical model of heat transfer in opening electrical contacts with tunnel effect 1003 - 1008 Merey M Sarsengeldin, Stanislav N Kharin, Zhangir Rayev and Yermek Khairullin   AbstractKeywords: Heat transfer; electrical contacts; tunnel effectMSC: 80A22; 33B20DOI: 10.2298/FIL1803003S Article page: <<12345>>

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