| Exercise sheets | Exercise sheets are also posted on the ADAM page for the course. 
    | Sheet # | Date | Topics | Homework due |     
   | 1 |  | Sept. 23 | Finite fields, Euclidean rings, PID, UFD ... | Sept. 30 |     
   | 2 |  | Sept. 30 | Modules over $\mathbb{Z}$, Quadratic number fields, Traces and norms, ... | Oct. 7 |     
   | 3 |  | Oct. 7 | Discriminant, Noetherian modules, Gaussian integers and a  Diophantine equation, ... | Oct. 14 |     
   | 4 |  | Oct. 14 | Eisenstein's criterion, Cyclotomic polynomials, Integers in cyclotomic fields, ... | Oct. 21 |     
   | 5 |  | Oct. 21 | Hermite's theorem, Determination of a ring of integers, Class numbers of some quadratic fields,  ... | Oct. 28 |     
   | 6 |  | Oct. 28 | A bound on the class number, Units in real quadratic fields, localisation of ideals,  ... | Nov. 4 |     
   | 7 |  | Nov. 4 | Dedekind-Kummer on decomposition of primes, Splitting of primes in quadratic fields,  ... | Nov. 11 |     
   | 8 |  | Nov. 11 | Decomposition and inertia groups, Quadratic Reciprocity Law, a Fermat-Pell equation, ... | Nov. 18 |     
   | 9 |  | Nov. 18 | Rabinowitz's theorem, Hyperbola method, Quadratic Gauss sums,  ... | Nov. 25 |     
   | 10 |  | Nov. 25 | The Gamma function (Wielandt's theorem and reflexion formula), Primes in arithmetic progression, Perron's formula,  ... | Dec. 2 |     
   | 11 |  | Dec. 2 | Use of Perron's formula, Explicit zeta functions of quadratic fields, Fourier transform of Gaussians, ... | Dec. 9 |     
   | 12 |  | Dec. 10 | Bauer's theorem, Computation of $L(\chi, 1)$, Different, ... | Dec. 17 |  |