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Confused about the proof of a lemma about deleted products

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Is definability in $V$ in Ackermann's Set Theory expressible in its language?

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Bailey's Lemma in Number Theory

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41 views

Kernel for an equation involving the Ornstein-Uhlenbeck operator

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1 answer
150 views

Relation between TQFT representations and factorizable sheaves

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32 views

Does the convergence of $f_n$ imply the convergence of $\mathbb P[\inf_{0\le s\le t}(W_s-f_n(s))\le 0]$?

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11 views

Tiling a rectangle with squares

2 votes
1 answer
148 views

(Exponential) Mixing property for Gauss map - going from cylinders to intervals

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1 answer
47 views

Density of smooth bi-Lipschitz maps in smooth maps

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1 answer
369 views

Integral on level sets

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Curves and semi-abelian varieties

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23 views

Definite integral of power of sine ratio

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Prove that Takens' embedding is a smooth one-to-one map with a smooth inverse

21 votes
5 answers
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Is a rhombus rigid on a sphere or torus? And generalizations

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