Mert, Rukiye ÖztürkAl, Pembe İpekIsmailov, Zameddin I.2021-11-012021-11-0120182148-1830https://app.trdizin.gov.tr/makale/TXpVd056TTJOZz09https://hdl.handle.net/11491/7814In this work the boundedness and compactness properties of upper triangular one-band block operator matrices in the infinite direct sum of Hilbert spaces have been studied. We also obtain the necessary and sufficient conditions when these operators belong to Schatten-von Neumann classes.eninfo:eu-repo/semantics/openAccess[No Keywords]Article1010173177