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FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 34_4Date: 2020Journal Homepage Editorial BoardImpressum   Perturbation theory, m-essential spectra of operator matrices 1187 - 1196 Boulbeba Abdelmoumen and Sonia Yengui   AbstractKeywords: Operator matrices; Essential spectra; Fredholm perturbationMSC: 47BxxDOI: 10.2298/FIL2004187A Quaternionic Fock space on slice hyperholomorphic functions 1197 - 1207 Sanjay Kumar, S D Sharma and Khalid Manzoor   AbstractKeywords: Fock space; slice regular Fock space; slice hyperholomorphic functionsMSC: 30G35; 47B38DOI: 10.2298/FIL2004197K On the representation of monogenic functions by the product bases of polynomials 1209 - 1222 Mahmoud Abul-Ez, Mohamed Abdalla and Aidah Al-Ahmadi   AbstractKeywords: Clifford analysis; Polynomials basis; Special monogenic function; Product base; Convergence propertyMSC: 30G35; 41A10DOI: 10.2298/FIL2004209A Galois connection of stabilizers in residuated lattices 1223 - 1239 Saeed Rasouli   AbstractKeywords: residuated lattice; filter; stabilizer; Galois connection; complete lattice; pseudocomplemented latticeMSC: 06F99; 06D20DOI: 10.2298/FIL2004223R On abundant semigroups with weak normal idempotents 1241 - 1249 Haizhou Chao and Xiangfei Ni   AbstractKeywords: abundant semigroup; weak normal idempotents; normal idempotents; multiplicative adequate transversalDOI: 10.2298/FIL2004241C On the stability of the telegraph equation with time delay 1251 - 1259 Allaberen Ashyralyev, Deniz Agirseven and Koray Turk   AbstractKeywords: Initial and boundary value problems; Difference schemes; Delay telegraph equations; StabilityMSC: 39A30; 35L20; 65M06DOI: 10.2298/FIL2004251A Systems of k Boolean inequations and a Boolean equation 1261 - 1270 Ulfeta Marovac and Dragić Banković   AbstractKeywords: Boolean algebra; the generalized systems of Boolean equations; general solutionMSC: 06E30DOI: 10.2298/FIL2004261M The convex properties and norm bounds for operator matrices involving contractions 1271 - 1281 Yuan Li, Mengqian Cui and Shasha Hu   AbstractKeywords: Convex properties; contractions; ω∗ topologyMSC: 47A30; 47A05; 47B15DOI: 10.2298/FIL2004271L Spectral inclusion by the quadratic numerical range of 2 × 2 operator matrices with unbounded entries 1283 - 1293 Jie Liu, Junjie Huang and Alatancang Chen   AbstractKeywords: operator matrix; quadratic numerical range; spectral inclusionMSC: 47A10; 47B99DOI: 10.2298/FIL2004283L Crossed products of Hom-Hopf algebras 1295 - 1313 Daowei Lu, Yizheng Li and Shuangjian Guo   AbstractKeywords: Hom-Hopf algebra; Crossed product; Radford biproduct; Yetter-Drinfeld module; lazy 2-cocycleMSC: 16T15DOI: 10.2298/FIL2004295L Article page: <<123>>

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