Henno Brandsma
Got a PhD in topology in 98, now a cryptographer and security researcher.
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Netherlands
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Member for 11 years, 3 months
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2 profile views
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Last seen Nov 6 '15 at 22:17
Communities (13)
- Mathematics 190.7k 190.7k 77 gold badges7575 silver badges191191 bronze badges
- MathOverflow 4.9k 4.9k 2626 silver badges2929 bronze badges
- Cryptography 3.7k 3.7k 1313 silver badges1818 bronze badges
- Stack Overflow 1.9k 1.9k 1010 silver badges1212 bronze badges
- Information Security 1.1k 1.1k 66 silver badges66 bronze badges
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Top network posts
- 88 How secure is Chrome storing a password?
- 87 Elementary proof that $\mathbb{R}^n$ is not homeomorphic to $\mathbb{R}^m$
- 73 A map is continuous if and only if for every set, the image of closure is contained in the closure of image
- 63 Projection map being a closed map
- 61 Is $\mathbb R^3$ the square of some topological space?
- 58 Non-homeomorphic spaces that have continuous bijections between them
- 49 Prove $\limsup\limits_{n \to \infty} (a_n+b_n) \le \limsup\limits_{n \to \infty} a_n + \limsup\limits_{n \to \infty} b_n$
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