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- HCI International 2003
- Jun June 22, 2003
Publications
FXPAL publishes in top scientific conferences and journals.
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- Business Process Management Journal, Volume 9, Number 3, 2003, pages 337-353
- Jun June 9, 2003
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- Mass,USA: Kluwer Academic Publishers, 2003
- Jun June 1, 2003
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- CHI 2003
- Apr April 7, 2003
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- CHI 2003
- Apr April 7, 2003
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- Agent Supported Cooperative Work, Published by Kluwer Adacemic Press
- Apr April 5, 2003
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- Human Computer Interaction, Volume 18, Nos. 1&2, 2003 London: Lawrence Erlbaum Assoc.
- Mar March 30, 2003
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- Proc. SPIE Storage and Retrieval for Multimedia Databases, Vol. 5021, pp. 167-75
- Jan January 20, 2003
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- ACM Intelligent User Interface (IUI) 2003, Miami Beach, FL, pp 326
- Jan January 12, 2003
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- IEEE Multimedia Signal Processing Workshop
- Dec December 11, 2002
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- ACM Multimedia 2002
- Dec December 10, 2002
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- ACM Multimedia 2002
- Dec December 1, 2002
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- ACM Multimedia 2002
- Dec December 1, 2002
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- Proceedings of American Anthropological Association, 101st Annual Meeting / November 20-24, 2002, New Orleans, LA
- Nov November 20, 2002
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- ACM 2002 Conference on Computer Supported Cooperative Work
- Nov November 16, 2002
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- Proceedings of ACM UIST 2002
- Oct October 27, 2002
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- IEEE InfoVis '02 Interactive Poster and Demo
- Oct October 27, 2002
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- IEEE Wireless Communications Magazine, Vol. 9, No. 5.
- Oct October 15, 2002
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- IEEE Computer Magazine, Cover Feature, Vol. 35, No. 10.
- Oct October 15, 2002
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- 2002 International Symposium on Music Information Retrieval
- Oct October 13, 2002
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- 2002 International Symposium on Music Information Retrieval
- Oct October 13, 2002
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- The 4th International Conference on Ubiquitous Computing (UbiComp 2002).
- Sep September 29, 2002
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- Workshop on User centered Evaluations for Ubiquitous Computing Systems: Best Known Methods, The 4th International Conference on Ubiquitous Computing (UbiComp 2002).
- Sep September 29, 2002
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- In proceedings of Mobile HCI 2002. (Pisa, Italy,2002), Springer-Verlag, Lecture notes in computer science #2411,pp.369-372.
- Sep September 18, 2002
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- Journal of Mathematical Physics, September 2002 special issue on Quantum Information Theory, Vol. 43 (9), pp. 4376 - 7381.
- Sep September 7, 2002
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CloseTo implement any quantum operation (a.k.a. ``superoperator'' or ``CP map'') on a d-dimensional quantum system, it is enough to apply a suitable overall unitary transformation to the system and a d^2-dimensional environment which is initialized in a fixed pure state. It has been suggested that a d-dimensional environment might be enough if we could initialize the environment in a mixed state of our choosing. In this note we show with elementary means that certain explicit quantum operations cannot be realized in this way. Our counterexamples map some pure states to pure states, giving strong and easily manageable conditions on the overall unitary transformation. Everything works in the more general setting of quantum operations from d-dimensional to d'-dimensional spaces, so we place our counterexamples within this more general framework.