Practice Lecture - 54 - 1.1 | 5. Lecture - 54 | Discrete Mathematics - Vol 3
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Lecture - 54

1.1 - Lecture - 54

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

List the requirements for a sequence to be considered graphic.

💡 Hint: Recall the acronym NEE.

Question 2 Easy

Are the vertex degrees in a graphic sequence required to be distinct?

💡 Hint: Think about examples that can have identical values.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is one requirement for a sequence to be graphic?

They can have negative values.
Sum must be odd.
Non-negative values.

💡 Hint: Think about physical graph representation.

Question 2

True or False: The sequence (5,3,1) is graphic.

True
False

💡 Hint: Check the connectivity of the vertex with the highest degree.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Show that the sequence (5, 4, 3, 3, 2, 1) can be graphic, and construct a corresponding graph.

💡 Hint: Use the Havel-Hakimi theorem to simplify your process.

Challenge 2 Hard

Using the Havel-Hakimi theorem, prove whether (6, 5, 4, 3, 3) is graphic.

💡 Hint: Always rearrange after each step to maintain order.

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Reference links

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