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99 votes
6 answers
33k views

The Langlands program for beginners

74 votes
4 answers
39k views

Difference between complete and closed set

25 votes
2 answers
1k views

Atiyah's definitions of Topological Quantum Field Theory

15 votes
5 answers
2k views

Motivation behind the definition of complete metric space

15 votes
2 answers
18k views

Order of product of two elements in an abelian group

11 votes
3 answers
3k views

Square free finite abelian group is cyclic

7 votes
2 answers
927 views

What is difference between constant group scheme associated with cyclic group and $\mu_n$

5 votes
0 answers
385 views

Intuition behind the notion of proper morphisms in algebraic geometry

4 votes
1 answer
97 views

Notion of inner automorphisms for group schemes

2 votes
0 answers
61 views

How does isomorphism of schemes induce maps on cohomology groups

2 votes
0 answers
179 views

If $G$ is a finite group and $(ab)^3= a^3b^3$, [duplicate]

2 votes
2 answers
218 views

Algorithms for deciding whether a function over a finite ring is polynomial or not?

1 vote
0 answers
287 views

Orthonormal basis for a complex vector space with countable vector space

0 votes
1 answer
100 views

Degree 0 rational function on unit sphere.