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Mathematics
Fabio Lucchini's user avatar
Fabio Lucchini's user avatar
Fabio Lucchini's user avatar
Fabio Lucchini
  • Member for 11 years, 6 months
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40
Distance to a closed set is continuous.
Sep 24, 2014
28
Is $202^{303}$ greater or $303^{202}$?
May 15, 2016
14
Prove or disprove that $ \sum\limits_{k = 1 }^T f(k)=0 $ where $f(m)=\sum\limits_{n = 1 }^ m (-1)^n \sin(\frac{n(n+1)(2n+1)}{6}x) $
Jul 6, 2018
13
Equivalence between middle excluded law and double negation elimination in Heyting algebra
Aug 26, 2014
13
Finding the value of $\prod_{n=0}^\infty a_n$ with $a_0=1/2$ and $a_{n}=1+(a_{n-1}-1)^2$
Sep 7, 2018
13
Separable extension and tensor product
Nov 27, 2019
11
Metric is continuous, on the right track?
Oct 16, 2013
9
Proposition 3.7 in Atiyah-Macdonald (Tensor product of fractions is fraction of tensor product)
Jan 20, 2018
9
How to solve this challenging limit?
Mar 16, 2019
9
Rolle theorem on infinite interval
Feb 6, 2014
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5
Does Spec functor sends pushouts of rings into pullbacks of sets?