Graph Theory
Mathematics 428:2 — Fall 2024

Prof. Weibel

Tentative Course Syllabus   (go to homework table)

Week Lecture dates Sections topics
19/3, 9/6 (TF) 1.1-1.4 Definitions, Paths, distance and Examples
29/10, 9/13 2.1-2.5, 3.1-3.2Degree, Degree Sequence, Isomorphism
39/17, 9/20 4.1-4.4Trees and bridges
49/24, 9/27 5.1-5.4Connectivity
510/1, 10/4 6.1-6.3Eulerian and Hamiltonian graphs
610/8, 10/11 7.1-7.3Digraphs and tournaments
610/15, 10/18 Ch. 1-7Review, Midterm
710/22, 10/25 8.1-8.5Factorization and Matchings, Marriage Theorem
810/29, 11/1 9.1-9.4Planar graphs, torus graphs
911/5, 11/8 10.1-10.4Coloring graphs
1011/12, 11/15 11.1-11.2Ramsey Numbers
1111/19, 11/22 Chapters 8-11Review, Midterm
1211/27 (W) Chromatic polynomialsNo class Tues, Thanksgiving week
1312/3, 12/6 12.1-12.3Distance
1412/10 13.1-13.5Review
XX12/17 (Tues) Final Exam (8-11 AM)

Due dateHomework Section/Problems
9/13/24Chapter 1: #1.4, 1.10;  1.12(a-e);  1.24, 1.30
Chapter 2: #2.1, 2.4, 2.8, 2.14
9/20/24 Chapters 2,3,4: #2.20,2.24 2.32, 3.3, 3.17, 4.2, 4.3
9/27/24 Chapter 4: #4.9, 4.12, 4.14, 4.18, 4.27, 4.28, 5.3
10/4/24 Chapter 5: #5.6, 5.7, 5.9; 6.5, 6.6, 6.10, 6.13(a,b)
10/11/24 Chapter 6: #6.15, 6.18, 6.24a,
Chapter 7: #7.2, 7.3, 7.7, 7.10
10/25/24 Chapter 8: #8.1, 8.2, 8.3, 8.5, 8.6(b), 8.17, 8.18
11/1/24Chapter 9: #9.1, 9.2, 9.4, 9.5, 9.8, 9.9, 9.10
11/8/24 Chapter 9: #9.23, 9.26, 9.27(a,d)
Chapter 10: #10.1, 10.2(a), 10.4(a,b), 10.10
11/15/24 Chapter 10: #10.17, 10.18, 10.19
Chapter 11: #11.1, 11.4, 11.6
12/8/24 Three problems from notes for chromatic polynomials, and
Chapter 12: #12.3, 12.8, 12.10, 12.12
Syllabus in Catalogue: Colorability, connectedness, tournaments, eulerian and hamiltonian paths, orientability, and other topics from the theory of finite linear graphs, with an emphasis on applications chosen from social, biological, computer science, and physical problems.


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Charles Weibel / Fall 2024