For each degree sequence below, determine whether there is a graph with 5 vertices that have these degrees. If a graph exists, draw it. If it doesn't, justify that it doesn't exist. (а) 4, 4, 3, 3, 2. (b) 5, 3, 2, 2, 2. (с) 4, 4, 3, 2, 2. (а) 4, 4, 3, 2, 1.

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Chapter1: Introduction
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Please help me solve this two problems.

For each degree sequence below, determine whether there is a graph with 5 vertices
that have these degrees. If a graph exists, draw it. If it doesn't, justify that it doesn't exist.
(а) 4,4, 3, 3, 2.
(b) 5, 3, 2, 2, 2.
(c) 4, 4, 3, 2, 2.
(d) 4, 4, 3, 2, 1.
Recall that K, is the complete graph with n vertices'. Let u, v be two different
vertices in Kn. Give the formula for the number of hamiltonian paths² from u to v. Justify your
answer.
Transcribed Image Text:For each degree sequence below, determine whether there is a graph with 5 vertices that have these degrees. If a graph exists, draw it. If it doesn't, justify that it doesn't exist. (а) 4,4, 3, 3, 2. (b) 5, 3, 2, 2, 2. (c) 4, 4, 3, 2, 2. (d) 4, 4, 3, 2, 1. Recall that K, is the complete graph with n vertices'. Let u, v be two different vertices in Kn. Give the formula for the number of hamiltonian paths² from u to v. Justify your answer.
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