*Note that this course is cross-listed with the ELTE University and is held on their campus. Its schedule is set by ELTE.*

Time: will be available later

(Note that ELTE courses start the week of February 13th.)

Location: will be available later

Time: will be available later

(Note that ELTE courses start the week of February 13th.)

Location: will be available later

*Instructor:* Dr. Péter Frenkel

*Text:* class notes

*Reference book:* Atiyah, M.F.–McDonald, I.G.: Introduction to Commutative Algebra. Addison–Wesley, 1969

*Prerequisits:* Undergraduate classical, linear and abstract algebra:
Fields and their extensions, rings, ideals, quotient rings,
polynomials, matrices, vector spaces, modules over rings.
*Course description:*

- Ideals. Prime and maximal ideals. Zorn's lemma. Nilradical, Jacobson radical. Prime spectrum.
- Modules. Operations on submodules. Finitely generated modules. Nakayama's lemma. Exact sequences. Tensor product of modules.
- Noetherian rings. Chain conditions for mudules and rings. Hilbert's basis theorem. Primary ideals. Primary decomposition, Lasker-Noether theorem. Krull dimension. Artinian rings.
- Localization. Quotient rings and modules. Extended and restricted ideals.
- Integral dependence. Integral closure. The 'going-up' and 'going-down' theorems. Valuations. Discrete valuation rings. Dedekind rings. Fractional ideals.
- Algebraic varieties. 'Nullstellensatz'. Zariski-topology. Coordinate ring. Singular and regular points. Tangent space.
- Dimension theory. Various dimensions. Krull's principal ideal theorem. Hilbert-functions. Regular local rings. Hilbert's theorem on syzygies.