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Ivan Meir's user avatar
Ivan Meir's user avatar
Ivan Meir's user avatar
Ivan Meir
  • Member for 14 years
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  • London
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CTO and co-founder of Vision RT a medical company that has developed a revolutionary new product that helps setup and monitor patients during radiotherapy treatments. I have a PhD in pure mathematics - number theory/combinatorics.

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164
Every mathematician has only a few tricks
Jun 15, 2020
36
In a topological space if there exists a loop that cannot be contracted to a point does there exist a simple loop that cannot be contracted also?
Aug 8, 2019
35
Which polygons can be turned inside out by a smooth deformation?
Aug 28, 2019
33
What is the smallest set of real continuous functions generating all rational numbers by iteration?
Jan 1, 2022
29
Consequences of eigenvector-eigenvalue formula found by studying neutrinos
Nov 17, 2019
29
Every mathematician has only a few tricks
Jun 17, 2020
28
Conway's lesser-known results
Apr 12, 2020
23
Continuous functions taking uncountably many values countably often
Nov 11, 2019
19
Does a function from $\mathbb R^2$ to $\mathbb R$ which sums to 0 on the corners of any unit square have to vanish everywhere?
Mar 6
17
A proof of Van der Waerden's theorem using a weakened form of Szemeredi's theorem
Jan 30, 2022
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12
Expand a random range from 1–5 to 1–7
12
Find the rotation axis and angle of a matrix
12
Integral $\int_{-1}^1\frac1x\sqrt{\frac{1+x}{1-x}}\ln\left(\frac{2\,x^2+2\,x+1}{2\,x^2-2\,x+1}\right) \mathrm dx$
9
Can anyone explain a compact set in a general topological space in an intuitive way?
6
Prove: $\binom{n}{k}^{-1}=(n+1)\int_{0}^{1}x^{k}(1-x)^{n-k}dx$ for $0 \leq k \leq n$