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IJSYSC
2010
97views more  IJSYSC 2010»
13 years 9 months ago
A stability study on first-order neutral systems with three rationally independent time delays
— First order linear time invariant and time delayed dynamics of neutral type is taken into account with three rationally independent delays. There are two main contributions of ...
Rifat Sipahi, Nejat Olgaç, Dimitri Breda
ADCM
2011
13 years 5 months ago
Perturbed preconditioned inverse iteration for operator eigenvalue problems with applications to adaptive wavelet discretization
ABSTRACT. In this paper we discuss an abstract iteration scheme for the calculation of the smallest eigenvalue of an elliptic operator eigenvalue problem. A short and geometric pro...
Thorsten Rohwedder, Reinhold Schneider, Andreas Ze...
SIAMJO
2010
89views more  SIAMJO 2010»
13 years 5 months ago
A New Sequential Optimality Condition for Constrained Optimization and Algorithmic Consequences
Necessary first-order sequential optimality conditions provide adequate theoretical tools to justify stopping criteria for nonlinear programming solvers. These conditions are sati...
Roberto Andreani, José Mario Martíne...
SIAMNUM
2010
137views more  SIAMNUM 2010»
13 years 5 months ago
A Residual-Based A Posteriori Error Estimator for the Stokes-Darcy Coupled Problem
In this paper we develop an a posteriori error analysis of a new conforming mixed finite element method for the coupling of fluid flow with porous media flow. The flows are govern...
Ivo Babuska, Gabriel N. Gatica
MP
2010
94views more  MP 2010»
13 years 8 months ago
MIR closures of polyhedral sets
We study the mixed-integer rounding (MIR) closures of polyhedral sets. The MIR closure of a polyhedral set is equal to its split closure and the associated separation problem is N...
Sanjeeb Dash, Oktay Günlük, Andrea Lodi