Julianna Tymoczko

Assistant Professor of Mathematics
Burton Hall 314
(413) 585–3775

Email: jtymoczko AT smith dot edu

Julianna Tymoczko: algebraic and combinatorial geometer

Math 233: An Introduction to Modern Algebra

This syllabus is incomplete and tentative, and will be superseded by later versions as the course evolves. Details on assignments can be found on the assignments webpage.

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Week
and Date
Topic Notes
1:
1/27
F: The Questions of the course
2:
1/30-2/3
M: Division and Euclid's algorithm
W: Applications: finding gcds
F: Fundamental Theorem of Arithmetic
Tu: HW due
F: HW due
3:
2/6-2/10
M: Base n
W: Mod n
F: Finding a solution mod n
Tu: HW due
F: HW due
4:
2/13-2/17
M: Finding all solutions mod n
W: Solving simultaneous systems mod n
F: Permutations
Tu: HW due
F: HW due
5:
2/20-2/24
M: Groups
W: Properties of groups
F: Subgroups and cyclic groups
F: HW due
6:
2/27-3/2
M: Cosets
W: Lagrange's theorem
F: RSA
Tu: HW due
F: HW due
7:
3/5-3/9
M: Homomorphisms
W: Kernels and images
F: Normal and quotient groups
Tu: HW due
F: HW due
8:
3/12-3/16
M: Group actions
W: The Counting Formula
F: Burnside's Lemma
Tu: HW due
F: HW due
3/19-3/23 Spring break
9:
3/26-3/30
M: Rings
W: Units/zero-divisors/fields/domains
F: Ring homomorphisms
Tu: HW due
10:
4/2-4/6
M: Polynomial rings
W: Polynomials versus functions
F: Dividing polynomials
F: HW due
11:
4/9-4/13
M: Ideals and principal ideals
W: Quotient rings
F: The First Isomorphism Theorem
Tu: HW due
F: HW due
12:
4/16-4/20
M: Polynomial rings and division
W: Polynomial rings and factorization
F: Factoring polys into irreducibles
Tu: HW due
F: HW due
13:
4/23-4/27
M: Factoring polys into irreducibles
W: Principal ideals and division
F: PIDs
Tu: HW due
F: HW due
14:
4/30-5/2
M: What makes Z like Z?
W: Review/catch-up
W: HW due