SUNY at Stony Brook MAT 535: Algebra II
Sring 2008

Syllabus

What follows is a tentative syllabus for the class, taken from the Graduate Handbook:

  1. Multilinear algebra (2 weeks)
    • Tensor products (of modules over commutative rings).
    • Symmetric and exterior algebra (free modules). HomR(- , -) and tensor products.

    References: Lang, chapters XIII and XIV; Dummit and Foote, Chapter 11.

  2. Rudiments of homological algebra (3 weeks)
    • Categories and functors. Products and coproducts. Universal objects, Free objects. Examples and applications.
    • Exact sequences of modules. Injective and projective modules. HomR(- , -), for R a commutative ring. Extensions.

    References: Lang, chapter XX; Dummit and Foote, Part V, 17.

  3. Representation Theory of Finite Groups (2 weeks)
    • Irreducible representations and Schur's Lemma.
    • Characters. Orthogonality. Character table. Complete reducibility for finite groups. Examples.

    References: Lang, chapter XVII; Dummit and Foote, Part VI; Serre.

  4. Galois Theory (6 weeks)
    • Irreducible polynomials and simple extensions.
    • Existence and uniqueness of splitting fields. Application to construction of finite fields. The Frobenius morphism.
    • Extensions: finite, algebraic, normal, Galois, transcendental.
    • Galois polynomial and group. Fundamental theorem of Galois theory. Fundamental theorem of symmetric functions.
    • Solvability of polynomial equations. Cyclotomic extensions. Ruler and compass constructions