## Stony Brook University MAT 312/AMS 351 -- Applied Algebra -- Spring 2009

Index
Course Description
Teaching Staff, Office Hours
Syllabus and Homework

## Schedule, Syllabus and Homework for Spring 2009

Sections and Exercises from Laufer: Discrete Mathematics and Applied Modern Algebra.

 Week of Sections Homework Notes Jan 26 1.11.2 3bd, 4bd, 6, 8, 11 1bd, 2bd, 3bd, 5, 8, 11 Solutions Feb 2 1.3 1.4 1ac, 4c, 5, 7, 10 2b, 3bd, 4bd, 6, 9, 10b, 17 Solutions Feb 9 1.5 Notes on Information Theory 3bd, 5, 6bd, 8, 10 (explain answers), 12   ExercisesSolutions Feb 16 2.12.22.3 1b, 2, 3, 6, 10, 13 2b, 3bc, 5, 7, 81, 2, 3, 6, 8, 14, 15, 17 Solutions Feb 23 2.42.5Review 1, 2ac, 3d, 5, 7, 9, 10, 12 1, 2ab, 3aceg, 7, 8, 10, 11, 12a Solutions Mar 2 2.63.1 1, 2ad, 3ac, 4ac, 5, 6, 7 1, 2, 3, 8, 9, 10 Solutions 3/4: Midterm 1 on first 3 weeks materialReview; Solutions Mar 9 3.23.3 1, 3, 6, 7, 9, 121, 2 Solutions Mar 16 3.3 4, 5, 6, 7, 9, 11, 15 Solutions Mar 23 9.19.2 2, 3, 4, 5, 8, 9, 10, 11, 12, 13 1, 2a, 3a, 4a, 9Solutions misprint p. 429 Prop 9.6: 0.a = 0! Mar 30 Review9.3 1,2 repeat Examples 9.29 and 9.30 with f(x) = 1 on [0,π], -1 on [π, 2π]. Use "LSUM" from here. Solutions 4/1: Midterm 2 through section 3.3Review; Solutions. Apr 13 9.3 (cont.) 3 and Homework 11 Solutions Note misprints. p.442 line l.8 "34" should be "33." Also Eq 9.48 the argument of f both times should be 2πj/N. Apr 20 9.3 (cont.) Homework 12 Solutions Apr 27 9.3 (end)9.4 4, 6, 7, 8, 11, 121, 2 Solutions May 4 Review Last meeting May 8 Final Exam: Wednesday May 13, 11AM-1:30 PM Final review (PDF file) Review session Monday May 11, 2 PM in P-131 Math.