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GRAPH
THEORY
Unit-I
What is
a Graphs,
application of Graphs, finite & infinite Graphs, incidence and
degree, isolated vertex, pendant vertex & null Graphs, isomorphism ,
subgraphs, walks, paths and circuits connected graphs , connected
graphs, disconnected Graphs Components,Euler graphs,Operations on
graphs , Hamiltonian paths and circuits , The traveling salesman
problems. Unit-II Trees ,
properties of trees, Pendant vertices , Distance and center in a tree ,
Rooted and binary trees , Spanning trees , Fundamentals circuits ,
finding all Spanning trees in a graph, Cut sets, Connectivity and
separability, Network flows , 1-isomorphism, 1-isomorphism. Unit-III Combinatorial
Vs geometric graphs, Planar graphs, Kuratowski ‘s two graphs ,
Different representations of a planner graph, sets with one operation, sets with two operation, Unit-IV Incidence matrix
, sub matrices of A(G) , circuit matrix, fundamental circuit matrix and
rank of B, an application to switching
switching network, cut-set matrix , path matrix, adjacency
matrix, directed graph, Types of digraphs , digraphs and binary
relations , directed paths
and connectedness , Euler digraphs , Trees with directed . Unit-V Fundamental
circuits in digraphs, matrix associated
of a digraph , Paired comparisons and
tournaments , Enumeration of graph : Types of enumeration, Counting
labeled trees , counting unlabelled trees , Polya’s counting theorem ,
Some basic algorithms : Algorithms for connectedness
and components. Algorithms for
finding spanning tree , Algorithms to find fundamental circuits ,
Shortest path algorithms. Books
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