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1 vote
1 answer
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Relationship between algebraic number theory and analytic number theory

0 votes
1 answer
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Understanding bounded subsets and open subsets in strict inductive limits of topological vector spaces

4 votes
3 answers
171 views

Integer solutions of $1+x+x^2+x^3=y^2$?

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0 answers
17 views

Recurrence for columns of A125790

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0 answers
36 views

Does every Grothendieck topology have a maximal basis?

2 votes
2 answers
164 views

Recurrence for expansion of EGF $\frac{\exp(x)}{\cos(x)-\sin(x)}$

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0 answers
24 views

Has the hydrogen representation as minimal K-type the trivial representation?

-1 votes
1 answer
28 views

Centralizers of the center $Z(B)$ of a sub division ring $B$ of a division ring $A$

1 vote
1 answer
52 views

The normalization of a semi normal complex surface germ is a holomorphic immersion?

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0 answers
18 views

Regularity of the Leray Projection on the diffeomorphism group

5 votes
3 answers
496 views

Difference of products of powers of the first consecutive primes

1 vote
1 answer
47 views

Two non-isomorphic simple groups with the same cardinality whose reduced algebras are isomorphic

3 votes
1 answer
98 views

Continuity of perimeter of sets

8 votes
2 answers
262 views

Cutsets and antichains in ${\cal P}(\omega)$

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