Sinha, Kalyan2015-09-282023-10-202015-09-282023-10-202015ROLL NO. 09612308https://gyan.iitg.ac.in/handle/123456789/594Supervisor: Bhaba Kumar SarmaThe thesis aims at a further study on matrix completion problems -- a concept that was initiated by Burg to study the positive definite matrices and studied by a number of researchers conspiratorially for several classes of matrices including P and Po-matrices and their sub classes...enMATHEMATICSThesis