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DM
2010
115views more  DM 2010»
15 years 2 months ago
Walking in circles
We show that for every x1, . . . , xn, y1, . . . , yn ∈ S1 there exists i ∈ {1, . . . , n} such that n k=1 d(xi, xk) ≤ n k=1 d(xi, yk), where S1 is the unit circle and d is ...
Noga Alon, Michal Feldman, Ariel D. Procaccia, Mos...
IMCSIT
2010
15 years 2 months ago
Undetectable Spread-time Stegosystem Based on Noisy Channels
We consider a scenario where an attacker is able to receive a stegosignal only over a Gaussian channel. But in order to provide security of this channel noise
Valery I. Korzhik, Guillermo Morales-Luna, Ksenia ...
CORR
2011
Springer
192views Education» more  CORR 2011»
14 years 11 months ago
Improved Approximation Guarantees for Lower-Bounded Facility Location
d Abstract) Sara Ahmadian∗ Chaitanya Swamy∗ We consider the lower-bounded facility location (LBFL) problem (also sometimes called load-balanced facility location), which is a ...
Sara Ahmadian, Chaitanya Swamy
ICASSP
2011
IEEE
14 years 8 months ago
Comparative threshold performance study for conditional and unconditional direction-of-arrival estimation
Comparative analysis of the threshold SNR and/or sample support values where genuine maximum likelihood DOA estimation starts to produce “outliers” is conducted for unconditio...
Yuri I. Abramovich, Ben A. Johnson
TARK
2007
Springer
15 years 10 months ago
Alternating-time temporal logics with irrevocable strategies
In Alternating-time Temporal Logic (atl), one can express statements about the strategic ability of an agent (or a coalition of agents) to achieve a goal φ such as: “agent i ca...
Thomas Ågotnes, Valentin Goranko, Wojciech J...