COMMUNICATIONS FACULTY OF SCIENCES UNIVERSITY OF ANKARA-SERIES A1 MATHEMATICS AND STATISTICS, cilt.73, sa.4, ss.1040-1049, 2024 (ESCI, TRDizin)
The minimal and maximal operators defined by second-order qdifference operator are discussed in this paper. Spectrum sets of these defined operators have been determined. In addition, two extensions of the minimal operator is also mentioned.