___

• [1] P.R.Halmos,AHilbertspaceproblembook,NewYork-Basel-Honkong,(1991).
• [2] R.K.SinghandA.Kumar,Multiplicationoperatorsandcompositionoperatorswithclosedranges,Bulletinof the Australian Mathematical Society, 16(1977), 247-252.
• [3] R.K.SinghandA.Kumar,Compactcompositionoperators,JournaloftheAustralianMathematicalSociety: Pure Mathematics and Statistics, Series A, 28(1979), 309-314.
• [4] M. Mursaleen, A. Aghajani and K. Raj, Multiplication operators on Cesàro function spaces, Filomat, 30(5) (2016), 1175-1184. ̇
• [6] R. E. Castillo, H. C. Chaparro and J. C. Ramos-Fernández, Orlicz-Lorentz spaces and their multiplication operators, Hacettepe Journal of Mathematics and Statistics, 44(2015), 991-1009.
• [7] R. E. Castillo, J. C. Ramos-Fernández and H. Rafeiro, Multiplication operators in variable Lebesgue spaces, Revista Colombiana de Matemáticas, 49(2015), 293-305.
• [8] R.E.Castillo,F.A.VallejoNarvaezandJ.C.Ramos-Fernández,Multiplicationandcompositionoperatorson weak Lp spaces, Bulletin of the Malaysian Mathematical Sciences Society, 38(2015), 927-973.
• [9] J.S.Shiue,AnoteonCesàrofunctionspaces,TamkangJ.Math.,1(1970),91-95.
• [10] G.M.Leibowitz,AnoteonCesàrosequencespaces,TamkangJ.Math.,2(1971),151-157.
• [11] A.A.Jagers,AnoteonCesàrosequencespaces,NieuwArch.Wiskund,22(1974),113-124.
• [12] Y. Cui and R. Pluciennik, Banach-Saks property and property β in Cesàro sequence spaces, Southeast Asian Bull. Math., 24(2000), 201-210.
• [13] Y.CuiandH.Hudzik,SomegeometricpropertiesrelatedtofixedpointtheoryinCesàrospaces,Collect.Math., 50(1999), 277-288.
• [14] B.AltayandR.Kama,OnCesàrosummabilityofvectorvaluedmultiplierspacesandoperatorvaluedseries, Positivity, 22(2) (2018), 575-586.
• [15] R.Kama,OnsomevectorvaluedmultiplierspaceswithstatisticalCesàrosummability.Filomat,33(16)(2019), 5135-5147.
• [16] J.LindenstraussandL.Tzafriri,OnOrliczsequencespaces,IsraelJ.Math.,10(1971),379-390.