The concept of "stabilization" of atmospheric CO(2) concentration is re-examined in connection with climate-change mitigation strategies. A new "zero-emissions stabilization (Z-stabilization)" is proposed, where CO(2) emissions are reduced to zero at some time and thereafter the concentration is decreased by natural removal processes, eventually reaching an equilibrated stable state. Simplified...

Kutten and Patt-Shamir have proposed a method for fast recovery of the output of a non-reactive, distributed protocol: if f < n=2 processors are corrupted from a legitimate global state, then the method recovers the output in O(f) time. The proposed method leaves open the case f n=2. This note presents a technique to handle also the case of f n=2, again recovering the output in O(f) time. The r...

In this paper, we propose a solution for the stabilizing problem of second order delay plant by Proportional-Integral (PI) controller. An extension of the Hermite-Biehler theorem, which is applicable to quasipolynomials, is used to seek the stability region of the controller and the computation of its optimum parameters via Genetic Algorithms. Moreover we compare the stabilities regions and dif...