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Mathematics
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Zumzumike
  • Member for 4 months
  • Last seen more than a week ago
  • Budapest, Hungary
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Studying pure mathematics at Eötvös Loránd University. Also interested in biological applied mathematics and bioinformatics.

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5
Suppose $A$ is a $7\times 7$ matrix with all entries less than $1$ in magnitude. Prove that $\det (100I+A) > 0$
Mar 20
2
Convergence of the sequence:
Mar 15
1
On a strange step in the proof regarding a maximal problem.
Mar 15
1
Prove there exists such $k$
Mar 20
1
Sequence of sequences $\{a^{(n)}\}_n \subseteq \ell^2$ with bounded members $|a^{(n)}_k| \leq 1$ has converging subseq.
Mar 20
1
Question about the definition of a non-singular matrix
Apr 3