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GeoffDS
  • Member for 13 years
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81 votes
18 answers
47k views

List of interesting integrals for early calculus students

17 votes
3 answers
8k views

Integral points on an elliptic curve

12 votes
3 answers
2k views

Hecke operators on modular forms

8 votes
3 answers
4k views

Local variables when defining function in Mathematica

8 votes
1 answer
488 views

Determining graph minors quickly

7 votes
2 answers
352 views

Bound for number of points on surface over $\mathbb{F}_p$

7 votes
2 answers
1k views

Linear programming for combinatorics/graph theory

7 votes
1 answer
1k views

What is graph theory interpretation of this linear programming problem?

6 votes
2 answers
868 views

Graphs with eigenvalues of large multiplicity

6 votes
2 answers
895 views

Lower bounds on the number of edges in a nonplanar graph

5 votes
3 answers
709 views

Good lecture optimization problem involving $\ln x$ or $e^x$

4 votes
2 answers
351 views

Bounded denominators for modular forms

3 votes
1 answer
255 views

Shannon capacity definition

2 votes
1 answer
2k views

Graphs with diameter equal to two times the radius

2 votes
1 answer
3k views

Vertex Clique Cover and Chromatic Number

1 vote
2 answers
105 views

Graph parameters that are equal for small graphs

1 vote
1 answer
572 views

Congruence subgroup of $SL_2(\mathbb{Z})$ definition

-1 votes
3 answers
255 views

Simplifying Presentation of Solutions in Mathematica