E. G. Ch.

Publications
Influence

Decreasing energy functions as a tool for studying threshold networks

E. G. Ch., F. Fogelman-Soulié, D. Pellegrin
Mathematics, Computer Science
Discret. Appl. Math.
1 November 1985

Block sequential iterations of threshold networks are studied through the use of a monotonic operator, analogous to the spin glass energy. Expand

Games on Line Graphs and Sand Piles

E. G. Ch., M. Kiwi
Mathematics, Computer Science
Theor. Comput. Sci.
19 July 1993

We investigate the dynamics of several games on line graphs and provide closed formulas for the transient time lengths they require to reach the steady state. Expand

Comportement periodique des fonctions a seuil binaires et applications

E. G. Ch., J. Olivos
Mathematics, Computer Science
Discret. Appl. Math.
1 April 1981

We show that the repeated application of a function from {0, 1} n to itself leads either to a fixed point or to a cycle of length two. Expand

Positive and negative circuits in discrete neural networks

J. Aracena, J. Demongeot, E. G. Ch.
Medicine, Computer Science
IEEE Transactions on Neural Networks
2004

We study the relationships between the positive and negative circuits of the connection graph and the fixed points of discrete neural networks (DNNs). Expand

On the robustness of update schedules in Boolean networks

J. Aracena, E. G. Ch., A. Moreira, L. Salinas
Mathematics, Computer Science
Biosyst.
1 July 2009

We study the robustness of the dynamical behavior of a Boolean network with respect to different update schedules (synchronous, block-sequential, sequential), which can provide modelers with a better understanding of the consequences of changes in this aspect of the model. Expand

Sandpiles and order structure of integer partitions

E. G. Ch., M. Morvan, T. Phan
Mathematics, Computer Science
Discret. Appl. Math.
15 March 2002

We show that these orders are suborders of L B , lattice of integer partitions introduced in Brylawski (Discrete Math. Expand

Periodic behaviour of generalized threshold functions

E. G. Ch., J. Olivos
Mathematics, Computer Science
Discret. Math.
1980

It is shown that, for a function @D from {0, 1}^n to a symmetric set of threshold functions the repeated application of @D, leads either to a fixed point or to a cycle of length two. Expand

Comportement oscillatoire d'une famille d'automates cellulaires non uniformes

E. G. Ch.
Computer Science
1980

HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. Expand

On limit cycles of monotone functions with symmetric connection graph

J. Aracena, J. Demongeot, E. G. Ch.
Mathematics, Computer Science
Theor. Comput. Sci.
30 August 2004

We study the length of the limit cycles of networks with monotone discrete updating functions and symmetric connection graph. Expand

Energy Functions in Neural Networks with Continuous Local Functions

F. Fogelman-Soulié, C. Mejia, E. G. Ch., Servet Martínez Aguilera
Mathematics, Computer Science
Complex Syst.
1989

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