Jiangwei  Xue's user avatar
Jiangwei  Xue's user avatar
Jiangwei  Xue's user avatar
Jiangwei Xue
  • Member for 12 years, 10 months
  • Last seen more than 6 years ago
  • Wuhan University, 武昌区武汉市湖北省中国
9 votes
0 answers
364 views

Is the splitting field unramified over a prime $\mathfrak{p}$ if the discriminant of the polynomial is coprime to $\mathfrak{p}$?

8 votes
0 answers
359 views

What's the relation between cohomology and unramified Galois covering of curves

8 votes
1 answer
1k views

How to construct a simple complex torus of dimension $\geq 2$?

8 votes
2 answers
1k views

What is the tensor product of a sheaf and a module?

7 votes
1 answer
212 views

Functor of order $n$ as in Mumford's Abelian varieties

7 votes
1 answer
1k views

Associated ideals of a principal ideal generated by a nonzero divisor

7 votes
1 answer
1k views

Fine moduli space and modular curves

7 votes
1 answer
161 views

Finiteness of groups preserving a symmetric positive definite bilinear form

5 votes
0 answers
98 views

Lattices as invertible module

5 votes
0 answers
59 views

How to construct certain cover given in Mumford's Abelian Varities book

4 votes
0 answers
338 views

Hecke operators as endomorphism of Jacobians of modular curves

4 votes
1 answer
260 views

Cokernel of morphism of Tate module of elliptic curves

3 votes
2 answers
797 views

proper differentiable maps of manifolds

3 votes
0 answers
1k views

Base change for proper morphism in Hartshorne

3 votes
1 answer
175 views

Finding basis of a free $\oplus_{i=1}^m k$ module in a subspace

2 votes
2 answers
820 views

Printing long lines in MAGMA without line break

2 votes
1 answer
1k views

Dimension of irreducible representations of finite p-groups

1 vote
1 answer
507 views

Push forward and pullback in products