THE FAMOUS, THE BIT AND THE QUANTUM

CQT Annual Symposium 2009

Date & Time:
8 December 2009, Tuesday, 4pm

Venue:
NUS Kent Ridge, University Hall Auditorium, Level 2, Lee Kong Chian Wing
Location of the Auditorium can be found at http://www.nus.edu.sg/campusmap

Programme:

4pm 'Magic Square, Quantum Mathematics, and Computing Theory'
by Andrew Chi-Chih Yao, Tsinghua University, China

Abstract:
Would two partners in a bridge game have an advantage over their opponents if they possess quantum power? Could one do treasure hunting much faster in the quantum world? Such quantum game questions lie at the heart of the quantum mystery, and are closely related to complexity issues in computer science. In this talk we discuss in several contexts the fundamental connection between quantum physics and computing theory, and the rich spectrum of mathematical ideas required to study this connection. In particular, we present several results in a searching game on pyramid graphs and a multi-party game called the Magic Square.

5.30pm Coffee and Tea refreshments fueled by Spinelli

6pm Quantum Information: From burlesque ideas to a new technology
by Anton Zeilinger, Institute of Quantum Optics and Quantum Information, Austrian Academy of Sciences
and Faculty of Physics, University of Vienna, Austria

Abstract:
Quantum physics talks about such burlesque ideas as cats being dead and alive, particles going to through two slits at the same time, and spooky actions at a distance. While all this is well described by the mathematics of the theory, experiments exploring these and similar strange predictions of the theory opened up new avenues for an emerging information technology based on individual quantum systems. The quantum computer, quantum cryptography, and quantum teleportation are direct applications of the counterintuitive phenomena occurring in the quantum world. The intense world-wide efforts towards developing these novel technologies opened up new possibilities for exploring the foundations of quantum physics. The questions to be answered are the old ones of the nature of reality and of knowledge, i.e. information, and thus the role of the observer in the world.

7.30pm Symposium Buffet Dinner Reception (NUS University Hall, Level 2 Link Bridge)


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