b) Give an example of each of the following: A graph G with x(G) > @(G) = 3 A graph G which is 4-critical. i) ii) Let T be a tree with at least 3 vertices. Let T' be the graph obtained from T by deleting all the leaves. Show that c) i) T' is a tree, ii) T and T' have the same centre. d) Find the diameter and radius of the following graph.
b) Give an example of each of the following: A graph G with x(G) > @(G) = 3 A graph G which is 4-critical. i) ii) Let T be a tree with at least 3 vertices. Let T' be the graph obtained from T by deleting all the leaves. Show that c) i) T' is a tree, ii) T and T' have the same centre. d) Find the diameter and radius of the following graph.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Solve subparts 3b,3c and 3d
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