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Nadori
  • Member for 12 years, 8 months
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16 votes
2 answers
3k views

checking if a 2-form is exact

8 votes
3 answers
2k views

Every finite field is a residue field of a number field

6 votes
2 answers
2k views

admissible change of variables on elliptic curve

5 votes
1 answer
541 views

division polynomials of elliptic curve as function on $\mathbb{C}$

4 votes
2 answers
936 views

affine scheme over a ring R

4 votes
0 answers
1k views

verify exercise parallel transport on sphere

4 votes
3 answers
2k views

cardinality of the set of countable partitions of $\mathbb{R}$

3 votes
2 answers
201 views

Is this basic function space compact?

3 votes
2 answers
879 views

Norm of random vector plus constant

3 votes
3 answers
2k views

How to load and use a PARI/GP script in Sage notebook?

3 votes
1 answer
284 views

Reference about product of elliptic curves

3 votes
2 answers
418 views

exercise on surfaces and geodesics

2 votes
0 answers
137 views

question about definition Silverman's AEC

2 votes
1 answer
171 views

Why is $\mathbb{F}_q^{*}/(\mathbb{F}_q^{*})^n\rightarrow \boldsymbol{\mu}_n: \overline{x}\mapsto x^{(q-1)/n} $ a group isomorphism?

2 votes
1 answer
364 views

why is this a diffeomorphism?

2 votes
0 answers
85 views

Convergence of the minima of functionals

2 votes
0 answers
93 views

Maximum density linear combination chi squares

1 vote
1 answer
1k views

Ratio of dependent chi squared random variables

1 vote
2 answers
120 views

independent chi squares mean independent non central chi square?

1 vote
1 answer
109 views

Does sum of random variables remain independent?

1 vote
1 answer
2k views

derivative B-spline with own knot set

1 vote
2 answers
194 views

Construct group isomorphism $\alpha : \mathbb{Z}^n \rightarrow \mathbb{Z}^n$ s.t. $g=f \circ \alpha$?

1 vote
1 answer
68 views

The group $E(\mathbb{F}_q)/NE(\mathbb{F}_q)$

1 vote
1 answer
309 views

property of a topological group

1 vote
1 answer
131 views

example I-22 in Eisenbud's geometry of schemes

1 vote
1 answer
308 views

Need reference about quadratic forms on abelian groups.

1 vote
1 answer
636 views

definition: dual of a vector field

0 votes
1 answer
796 views

degree of a map

0 votes
0 answers
65 views

Condition to satisfy sequence of bounded second derivatives

0 votes
0 answers
377 views

How to use CVX to solve this problem?