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Nov
24
asked does the $\zeta_K$ function of a function field determine the genus of that function field?
Nov
24
answered Nonzero polynomials of degree $n$ in $D[x]$ have at most $n$ distinct roots in $D$, assuming $D$ is only an integral ring.
Nov
24
answered I think I'm making an error in my implementation of least squares but I'm not sure (python).
Nov
24
answered Why is abelianness such a precious property?
Nov
24
answered Why aren't all homomorphic abelian groups isomorphic as well?
Nov
22
asked ideal calculation and relations
Nov
18
asked kernel of the artin map when dealing with S-ideles and S-divisors for function fields
Aug
14
asked What, and how can, topological invariants can be computed from a space's algebra of functions?
Aug
3
asked profinite completion of a ring of integers in a global field
Feb
25
asked co-idempotents: algebraic dual of an idempotent element?
Feb
24
answered Comultiplication of sum
Feb
9
asked dimension of tensor products over a submodule
Jan
25
answered Univariate and Matrix Representation of Affine Transformation
Jan
23
asked kernel of maps associated to the root of an irreducible polynomial
Jan
14
asked when is a ring a free module over a subring?
Dec
20
asked Most efficient way to find distinct complementary subspaces over a finite field
Dec
9
asked What's the connection between irreducible polynomials and fixed-frobenius elements in a finite ring?
Nov
27
asked finding fixed points of frobenius endomorphism of a ring of char > $p$ (not a domain)
Jan
5
answered $U_q$ Quantum group and the four variables: $E, F, K, K^{-1}$
Dec
17
answered Prove well-definedness of comultiplication and counit of $GL_q(2)$ and $SL_q(2)$.