User moonface

21 votes

Algebraic Geometry versus Complex Geometry

answered Nov 12, 2009 at 4:00

14 votes

Constructing a degeneration (as a group scheme) of G_m to G_a

answered Nov 3, 2009 at 14:36

13 votes

Accepted

Overview of automorphic representations for $SL(2)/{\mathbf{Q}}$?

answered Nov 29, 2009 at 1:09

9 votes

Is there a simple way to compute the number of ways to write a positive integer as the sum of three squares?

answered Nov 3, 2009 at 2:58

6 votes

What is the geometric significance of Cartan's structure equations?

answered Nov 2, 2009 at 23:24

5 votes

Accepted

SL(2,Z/N)-decomposition of space of cusp forms for Gamma(N)

answered Nov 10, 2009 at 0:15

4 votes

Accepted

Tate uniformization of nonsplit semistable elliptic curves

answered Nov 3, 2009 at 18:32

4 votes

When is a monic integer polynomial the characteristic polynomial of a non-negative integer matrix?

answered Nov 3, 2009 at 21:18

4 votes

Singularity of sparse random matrices

answered Nov 5, 2009 at 15:51

3 votes

Exotic automorphisms of the fundamental group of a curve?

answered Nov 11, 2009 at 17:47

2 votes

Elementary solutions to f(z+1)-f(z)=g(z) in entire functions

answered Nov 7, 2009 at 5:18

2 votes

Does MAGMA have a function to decide if two indefinite, integral quadratic forms are isometric?

answered Nov 26, 2009 at 18:48

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12 Answers

Algebraic Geometry versus Complex Geometry

Constructing a degeneration (as a group scheme) of G_m to G_a

Overview of automorphic representations for $SL(2)/{\mathbf{Q}}$?

Is there a simple way to compute the number of ways to write a positive integer as the sum of three squares?

What is the geometric significance of Cartan's structure equations?

SL(2,Z/N)-decomposition of space of cusp forms for Gamma(N)

Tate uniformization of nonsplit semistable elliptic curves

When is a monic integer polynomial the characteristic polynomial of a non-negative integer matrix?

Singularity of sparse random matrices

Exotic automorphisms of the fundamental group of a curve?

Elementary solutions to f(z+1)-f(z)=g(z) in entire functions

Does MAGMA have a function to decide if two indefinite, integral quadratic forms are isometric?