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tkf

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 7 years, 5 months
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33 Are all finite-dimensional algebras of a fixed dimension over a field isomorphic to one another? Jul 14 '20
11 Solving the complex equation $(1+z)^5=z^5$ Aug 4 '20
11 $6!\cdot 7!=10!$. Is there a natural bijection between $S_6\times S_7$ and $S_{10}$? Nov 29 '20
9 Is it possible to tile a $13 \times 13$ board with $4 \times 1$ dominoes such that the center square is left untiled? Sep 9 '20
7 Solving $x^{100}− y^{100 }= 100!$ Sep 3 '20
6 Contravariant functor taking every finite group to an isomorphic group Aug 27 '20
6 Find the primes $p$ and $q$ if $n = pq = 14647$ and $\phi(n) = 14400$ Jul 13 '20
6 Number of ways of arranging 10 tiles in four colors such that any consecutive block of 5 tiles contain all four colors Jun 2 '20
5 Does the category of local rings with residue field $F$ have an initial object? May 16 '20
5 a linear map on $W$ Jul 3 '20
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