Kadyan, Monu2023-07-072023-10-202023-07-072023-10-202023ROLL NO.186123009https://gyan.iitg.ac.in/handle/123456789/2422Supervisor: Bhattacharjya, BikashIn spectral graph theory, mixed graphs are crucial because they give a structure in which directed and undirected edges may coexist. If every edge of a mixed graph is undirected, then such a graph is known as an undirected graph.enMATHEMATICSThesis