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Algebraic number fields, Algebraic integers, Arithmetic Geometry, Elliptic Curves, Function fields, Local fields, Arithmetic groups, Automorphic forms, zeta functions, $L$-functions, Quadratic forms, Quaternion algebras, Homogenous forms, Class groups, Units, Galois theory, Group cohomology, Étale cohomology, Motives, Class field theory, Iwasawa theory, Modular curves, Shimura varieties, Jacobian varieties, Moduli spaces

0 votes
1 answer
666 views

Hilbert, the nullstellensatz, and algebraic number theory [closed]

I read that Hilbert used the nullstellensatz in algebraic number theory rather than in algebraic geometry. What did he use it for? Today, is the nullstellensatz used in algebraic number theory or othe …
teil's user avatar
  • 4,351
3 votes
2 answers
694 views

What goes wrong in a ring that does not have unique factorization?

Whenever I have seen unique factorization discussed, it is always with respect to the solution of diophantine equations; the equations are solved by splitting the equation into linear functions over a …
teil's user avatar
  • 4,351
15 votes
4 answers
3k views

Is there much difference between Kronecker's and Dedekind's methods in algebraic number theo...

Edwards, in his book "Divisor theory" says that Kronecker's methods are quite different to Dedekind's and those of today. Is there really much of a difference apart from Kronecker's methods being more …
teil's user avatar
  • 4,351
6 votes
1 answer
631 views

Can algebraic number fields be generalized in a similar way to function fields in 1 variable...

Global fields consist of finite extensions of $\mathbb{Q}$ (algebraic number fields) and finite extensions of $\mathbb{F}_q(x)$ (function fields in 1 variable over a finite field). The latter are isom …
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