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Polynomial equations with linear inequalities

1 vote
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Misunderstanding the definition of kernel in digraphs

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1 answer
162 views

If $f$ is bounded, decays fast enough at infinity and $\int f=0$, does this imply that $f$ is in the Hardy space $\mathcal H^1(\mathbb R^n)$?

9 votes
1 answer
224 views

When is $\mathrm{gcd}(k,p^k-1)=1$ true?

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127 views

How is this 3d curve called which looks like the infinity sign?

2 votes
3 answers
462 views

When does the sum of squares of initial primes equal a triangular number?

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133 views

Suggestions for journals in motivic homotopy theory

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68 views

Root system terminology

7 votes
2 answers
471 views

Models of PRA/EFA with induction on $X$ but not $\omega^X$

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1 answer
57 views

Property of some permutations of non-negative integers such that $a(n)<2^k$ iff $n<2^k$

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Expectation of quotient using exponential concentration

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33 views

relation between $\text{Im}(A)\otimes \text{Im}(B)$ and $\text{Im}(A\otimes B)$

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Explicit family of polynomials describing embedded torus in complex projective space

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165 views

The description of Hurwitz groups

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