00812nam a22001937a 4500 0 0 0 1 RIU RIU 2021-03-30 Riphah International University 0 513.83 KIR 68100 2021-03-30 00:00:00 1 TH 33778 33778 Riphah International University 513.83 KIR Kiran Shehzadi (26406) Topological structures of rough sets based on hyperrings Islamabad (unpublished) 2021 xii, 30 p. : ill. ; 30 cm +CD Submitted in fulfilment of the requirements for the degree of Master of Philosophy in Mathematics to the Department of Basic Sciences and Humanities. Includes bibliographical references Thesis supervisor: Dr. Naveed Yaqoob Thesis (M.Phil.)--Riphah International University, 2021. English Topology Hypestructure Hyperrings Hyperideal Hypergroupoid DBS TH