MathOverflow
Ricky's user avatar
Ricky's user avatar
Ricky's user avatar
Ricky
  • Member for 13 years, 9 months
  • Last seen this week
Profile Activity

19 Questions

Score Activity Newest Views
8 votes
2 answers
360 views

Pullback and pseudoelements

4 votes
1 answer
439 views

Infinite linearly independent set in finitely generated module

8 votes
0 answers
612 views

Rational points of a "famous" elliptic curve

53 votes
3 answers
11k views

Everywhere differentiable function that is nowhere monotonic

4 votes
0 answers
194 views

Newton point and Newton polygon stratifications

7 votes
1 answer
356 views

p-rank stratification in unitary Shimura variety

8 votes
2 answers
620 views

Non emptyness of ordinary locus for PEL type Shimura varieties

7 votes
1 answer
1k views

State of the art for integral models of PEL type Shimura varieties with deep level structure

10 votes
2 answers
627 views

When is the degree of this number 3?

8 votes
4 answers
2k views

Sum of the reciprocal of perfect numbers

4 votes
0 answers
648 views

Why chain complexes? [duplicate]

15 votes
1 answer
3k views

trace(xy)=trace(yx) in full generality

5 votes
1 answer
489 views

Tensor product of regular ring (with some conditions)

18 votes
4 answers
4k views

Flatness of normalization

5 votes
1 answer
219 views

When are these rings regular?

5 votes
2 answers
681 views

What is the completion at a family of ideals?

5 votes
1 answer
263 views

Local characterization of semistability

22 votes
3 answers
3k views

Functorial point of view for formal schemes

4 votes
1 answer
611 views

Real-valued function "so surjective" that should be non measurable