Pries, Spring 2016, Algebraic Number Theory Syllabus Week 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Starts Topics Introduction to number fields 1/20 Quadratic fields, quadratic reciprocity 1/25 Cyclotomic fields, number fields, norm and trace maps, guestMW 2/1 Integral closure, discriminant Class groups 2/8 Unique factorization, ideal class group 2/15 Norms of ideals, Minkowski theory 2/22 Class number and Dirichlet’s Unit Theorem Abelian extensions 2/29 Kummer theory, Ray class groups 3/7 Kronecker-Weber theorem, Complex multiplication spring break Ramification 3/21 Decomposition and Inertia groups 3/28 Localization, Kummer’s theorem, guestF 4/4 Frobenius automorphism, Artin map Applications 4/11 Kummer’s proof of Fermat’s Last Theorem for regular primes 4/18 Lattice-based cryptography 4/25 Presentations 5/2 Presentations, guestW Textbooks: These books contain similar material from different points of view. Free/open source: (see links from webpage) * Milne Algebraic Number Theory C 1-6, 8 * Stein Brief Introduction to Classical and Adelic Algebraic Number Theory C 5-6, 10-14 (algorithms MAGMA computing) * Ash A Course in Algebraic Number Theory * Ogglier Introduction to Algebraic Number Theory C 1-4 Concrete: * Ribenboim Classical Theory of Algebraic Numbers C 2, 4-15, 19, 25 (very detailed) Ireland-Rosen A Classical Introduction to Modern Number Theory C 5, 12, 13 (better for arithmetic geometry) Marcus Number Fields Esmonde/Murty Problems in Algebraic Number Theory C 4-9 (problem based style) Classical: * Janusz Algebraic Number Fields C 1,3. Lang Algebraic Number Theory C 1-6. Cassels/Frolich Algebraic Number Theory Cohn Advanced Number Theory Harder: * Cohen Number Theory I C 2-3. Neukirch Algebraic Number Theory C 1.