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» Discovering State Invariants
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TOPLAS
2010
93views more  TOPLAS 2010»
13 years 9 months ago
Semantics of fractional permissions with nesting
Fractional permissions use fractions to distinguish write access (1) from read access (any smaller fraction). Nesting (an extension of adoption) can be used to model object invari...
John Tang Boyland
AB
2007
Springer
14 years 3 months ago
Reduction of Algebraic Parametric Systems by Rectification of Their Affine Expanded Lie Symmetries
Lie group theory states that knowledge of a m-parameters solvable group of symmetries of a system of ordinary differential equations allows to reduce by m the number of equations. ...
Alexandre Sedoglavic
AUTOMATICA
2010
73views more  AUTOMATICA 2010»
13 years 11 months ago
Realization of Boolean control networks
Based on the linear expression of the dynamics of Boolean networks, the coordinate transformation of Boolean variables is defined. It follows that the state space coordinate trans...
Daizhan Cheng, Zhi Qiang Li, Hongsheng Qi
AUTOMATICA
2008
76views more  AUTOMATICA 2008»
13 years 11 months ago
Structured semidefinite programs for the control of symmetric systems
In this paper we show how the symmetry present in many linear systems can be exploited to significantly reduce the computational effort required for controller synthesis. This app...
Randy Cogill, Sanjay Lall, Pablo A. Parrilo
CORR
2006
Springer
88views Education» more  CORR 2006»
13 years 11 months ago
Polynomial Time Nondimensionalisation of Ordinary Differential Equations via their Lie Point Symmetries
Lie group theory states that knowledge of a m-parameters solvable group of symmetries of a system of ordinary differential equations allows to reduce by m the number of equation. ...
Evelyne Hubert, Alexandre Sedoglavic