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SIAMNUM
2011
110views more  SIAMNUM 2011»
14 years 8 months ago
A Posteriori Error Control for Discontinuous Galerkin Methods for Parabolic Problems
We derive energy-norm a posteriori error bounds for an Euler timestepping method combined with various spatial discontinuous Galerkin schemes for linear parabolic problems. For acc...
Emmanuil H. Georgoulis, Omar Lakkis, Juha M. Virta...
114
Voted
SODA
2010
ACM
202views Algorithms» more  SODA 2010»
15 years 10 months ago
Counting Inversions, Offline Orthogonal Range Counting, and Related Problems
We give an O(n lg n)-time algorithm for counting the number of inversions in a permutation on n elements. This improves a long-standing previous bound of O(n lg n/ lg lg n) that ...
Timothy M. Chan, Mihai Patrascu
ICCAD
2007
IEEE
160views Hardware» more  ICCAD 2007»
15 years 10 months ago
Approximation algorithm for the temperature-aware scheduling problem
— The paper addresses the problem of performance optimization for a set of periodic tasks with discrete voltage/frequency states under thermal constraints. We prove that the prob...
Sushu Zhang, Karam S. Chatha
113
Voted
CDC
2008
IEEE
167views Control Systems» more  CDC 2008»
15 years 3 months ago
Convex formulations of aggregate network air traffic flow optimization problems
The problem of regulating air traffic in the en route airspace of the National Airspace System is studied using an Eulerian network model to describe air traffic flow. The evolutio...
Daniel B. Work, Alexandre M. Bayen
WCE
2007
15 years 2 months ago
Solution of Supersonic Internal Flow Problems Using MFDV
— The FDV method was originally developed by T.J. Chung [3]-[6]. The authors developed and presented a modification to this method named MFDV method in [2]. The aim of this modif...
A. A. Megahed, M. W. El-Mallah, B. R. Girgis