Category Archives: CHSH

Entanglement and cryptography

A central tenet of quantum information theory is that by taking an operational approach to quantum mechanics (for which computational, cryptographic or information-theoretic tasks does the use of quantum mechanics present an advantage?) one can not only achieve novel tasks, … Continue reading

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Tsirelson’s bound

Boris Tsirelson (or Cirel’son, or Цирельсон, or צְיךרלסון) is an Israeli (born Russian) mathematician currently at Tel-Aviv university. Here is the picture from his Wikipedia entry: he has such an incredible stare, he irresistibly reminds me of Orson Welles (picture … Continue reading

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