MathOverflow
Abhishek Parab's user avatar
Abhishek Parab's user avatar
Abhishek Parab's user avatar
Abhishek Parab
  • Member for 14 years, 4 months
  • Last seen more than a month ago
  • US
Profile Activity

16 Questions

Score Activity Newest Views
70 votes
14 answers
21k views

Elementary / Interesting proofs of the Nullstellensatz

31 votes
1 answer
2k views

Can the fundamental group of any manifold be realized as the fund grp of a finite space?

13 votes
2 answers
2k views

Is every poset the poset of prime ideals of a ring?

12 votes
7 answers
15k views

Easy proof of the uncountability of bijections on natural numbers

12 votes
2 answers
2k views

Examples of non-split algebraic groups

10 votes
1 answer
650 views

Existence of solution to these inequalities

9 votes
1 answer
927 views

Technical lemma on root systems, reduced to linear algebra

7 votes
3 answers
863 views

Origin of the notation s=\sigma+it in analytic number theory

6 votes
3 answers
2k views

Does there exist a Riemann surface corresponding to every field extension? Any other hypothesis needed?

6 votes
1 answer
579 views

Clarification about Tits' article in the Corvallis

5 votes
5 answers
2k views

Commutator of algebraic subgroups is connected

5 votes
5 answers
852 views

Remembering arrows' directions in basic Category Theory

3 votes
2 answers
826 views

Exercise in Milne's CFT notes

2 votes
2 answers
1k views

Example of unramified abelian extension

1 vote
0 answers
96 views

Explicit expression for multivariable meromorphic series

1 vote
0 answers
316 views

Element of the Weyl group acting on co-roots