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Padraig Ó Catháin's user avatar
Padraig Ó Catháin's user avatar
Padraig Ó Catháin's user avatar
Padraig Ó Catháin
  • Member for 12 years, 1 month
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27
Unrigorous British mathematics prior to G.H. Hardy
May 11, 2022
question
11
Polynomials for which roots can be expressed as polynomials in a single root
Mar 29, 2022
answer
9
Cardinality of the maximum points of the determinant on matrices with entries in [-1, 1]
Mar 8, 2022
question
8
Pairs of roots of unity whose real part satisfies a polynomial identity
Aug 4, 2017
answer
8
Are these two methods for constructing Hadamard matrices known?
Nov 6, 2023
answer
6
Isomorphism testing in STS(13)
Mar 17, 2014
answer
5
Distribution of the powers of a primitive element of a finite field
Feb 1, 2013
answer
5
Creating a Latin rectangle from a projective plane
Mar 18, 2015
answer
5
What is the mathematician's definition of the determinant?
Jan 11
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4
For which finite projective planes can the incidence structure be written as a circulant matrix?
Jan 29, 2018
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6
The "fake $\mathrm{GL}_2(\mathbb{F}_3)$" and the binary octahedral group