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T-122.102 > Timetable

Timetable

22 January 2002
First session: introduction to the topics
29 January 2002
The topics are assigned.
5 February 2002
Virkaanastujaistilaisuus (no seminar)
12 February 2002
Seminar by Aleksi Penttinen. B. Chen, K. Jamieson, H. Balakrishnan, R. Morris, Span: An Energy-Efficient Coordination Algorithm for Topology Maintenance in Ad Hoc Wireless Networks.
19 February 2002
Seminar by Aleksi Penttinen. M. Woo, S. Singh, C. S. Raghavendra, Power aware routing in mobile ad hoc networks.
26 February 2002
Seminar by Antti Autere. Q. Li and J. Aslam and D. Rus, Online power-aware routing in wireless ad-hoc networks.
5 March 2002
Seminar by Jussi Pakkanen. Jason Flinn, M. Satyanarayanan, PowerScope: a tool for profiling the energy usage of mobile applications.
12 March 2002
Seminar by Karthikesh Raju. A. Sinha, A. Wang, A. Chandrakasan, Algorithmic transforms for efficient energy scalable computation.
19 March 2002
Seminar by Jussi Pakkanen. A. Vahdat, A. Lebeck, C. Schlatter Ellis, Every Joule is precious: the case for revisiting operating system design for energy efficiency.
26 March 2002
Seminar by Karthikesh Raju. Eugene Shih, Seong-Hwan Cho, Nathan Ickes, Rex Min, Amit Sinha, Alice Wang, Anantha Chandrakasan, Physical layer driven protocol and algorithm design for energy-efficient wireless sensor networks.
2 April 2002
Easter holiday (no seminar).
9 April 2002
Paul Vitanyi (CWI & Universiteit van Amsterdam):
Time and space bounds on reversible computing

Abstract:
We give an introduction to reversible computing theory, and prove a new general upper bound on the tradeoff between time and space that suffices for the reversible simulation of irreversible computation. Previously, only simulations using exponential time or quadratic space were known.

The tradeoff shows for the first time that we can simultaneously achieve subexponential time and subquadratic space.

The boundary values are the exponential time with hardly any extra space required by the Lange-McKenzie-Tapp method and the (log 3)th power time with square space required by the Bennett method.

We also give the first general lower bound on the extra storage space required by general reversible simulation. This lower bound is optimal in that it is achieved by some reversible simulations.

See Journal of Physics A: Mathematical and General, 34(2001), 6821-6830 or http://arXiv.org/abs/quant-ph/0101133. The talk is based on joint work with Ming Li, John Tromp, Harry Buhrman.

16 April 2002
Seminar by Kari Laasonen: Intentional Naming System for Routing and Service Discovery, W. Adjie-Winoto, E. Schwartz, H. Balakrishan, J. Lilley, "The Design and Implementation of an Intentional Naming System." 17th ACM Symposium on Operating Systems Principles 1999, 186-201.
23 April 2002
Seminar by Ganesh Sivaraman. Jason Flinn and M. Satyanarayanan, "Energy-aware adaptation for mobile applications", Symposium on Operating Systems Principles, 1999.
30 April 2002
Seminar by Antti Autere. Topic is to be announced.


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