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Bulking I: an Abstract Theory of Bulking
Marianne Delorme 1, Jacques Mazoyer 1, Nicolas Ollinger ( ) 2, Guillaume Theyssier 3
(2010-01-29)

This paper is the first part of a serie of two papers dealing with bulking: a quasiorder on cellular automata comparing space-time diagrams up to some rescaling. Bulking is a generalization of grouping taking into account universality phenomena, giving rise to a maximal equivalence class. In the present paper, we discuss the proper components of grouping and study the most general extensions. We identify the most general space-time transforms and give an axiomatization of bulking quasiorder. Finally, we study some properties of intrinsically universal cellular automata obtained by comparing grouping to bulking.
1:  Laboratoire de l'Informatique du Parallélisme (LIP)
Université de Lyon – CNRS : UMR5668 – INRIA – École Normale Supérieure - Lyon – Université Claude Bernard - Lyon I
2:  Laboratoire d'informatique Fondamentale de Marseille (LIF)
CNRS : UMR6166 – Université de la Méditerranée - Aix-Marseille II – Université de Provence - Aix-Marseille I
3:  Laboratoire de Mathématiques (LAMA)
CNRS : UMR5127 – Université de Savoie
Computer Science/Other
cellular automata – bulking – grouping – classification
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