Ricky's user avatar
Ricky's user avatar
Ricky's user avatar
Ricky
  • Member for 13 years, 8 months
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53 votes
3 answers
11k views

Everywhere differentiable function that is nowhere monotonic

22 votes
3 answers
3k views

Functorial point of view for formal schemes

18 votes
4 answers
4k views

Flatness of normalization

15 votes
1 answer
3k views

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

10 votes
2 answers
625 views

When is the degree of this number 3?

8 votes
4 answers
2k views

Sum of the reciprocal of perfect numbers

8 votes
0 answers
604 views

Rational points of a "famous" elliptic curve

8 votes
2 answers
619 views

Non emptyness of ordinary locus for PEL type Shimura varieties

8 votes
2 answers
350 views

Pullback and pseudoelements

7 votes
1 answer
354 views

p-rank stratification in unitary Shimura variety

7 votes
1 answer
1k views

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

5 votes
1 answer
486 views

Tensor product of regular ring (with some conditions)

5 votes
1 answer
262 views

Local characterization of semistability

5 votes
2 answers
675 views

What is the completion at a family of ideals?

5 votes
1 answer
219 views

When are these rings regular?

4 votes
0 answers
634 views

Why chain complexes? [duplicate]

4 votes
1 answer
611 views

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

4 votes
0 answers
193 views

Newton point and Newton polygon stratifications

4 votes
1 answer
426 views

Infinite linearly independent set in finitely generated module