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Some decompositions of Bernoulli sets and codes

Aldo de Luca (2005)

RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications

A decomposition of a set X of words over a d -letter alphabet A = { a 1 , ... , a d } is any sequence X 1 , ... , X d , Y 1 , ... , Y d of subsets of A * such that the sets X i , i = 1 , ... , d , are pairwise disjoint, their union is X , and for all i , 1 i d , X i a i Y i , where denotes the commutative equivalence relation. We introduce some suitable decompositions that we call good, admissible, and normal. A normal decomposition is admissible and an admissible decomposition is good. We prove that a set is commutatively prefix if and only if it has a normal decomposition. In particular,...

Some decompositions of Bernoulli sets and codes

Aldo de Luca (2010)

RAIRO - Theoretical Informatics and Applications

A decomposition of a set X of words over a d-letter alphabet A = {a1,...,ad} is any sequence X1,...,Xd,Y1,...,Yd of subsets of A* such that the sets Xi, i = 1,...,d, are pairwise disjoint, their union is X, and for all i, 1 ≤ i ≤ d, Xi ~ aiYi, where ~ denotes the commutative equivalence relation. We introduce some suitable decompositions that we call good, admissible, and normal. A normal decomposition is admissible and an admissible decomposition is good. We prove that a set is commutatively prefix...

Special Functions and Pathways for Problems in Astrophysics: An Essay in Honor of A.M. Mathai

Haubold, Hans, Kumar, Dilip, Nair, Seema, Joseph, Dhannya (2010)

Fractional Calculus and Applied Analysis

The paper provides a review of A.M. Mathai's applications of the theory of special functions, particularly generalized hypergeometric functions, to problems in stellar physics and formation of structure in the Universe and to questions related to reaction, diffusion, and reaction-diffusion models. The essay also highlights Mathai's recent work on entropic, distributional, and differential pathways to basic concepts in statistical mechanics, making use of his earlier research results in information...

Special issue on decentralized control of large scale complex systems

Lubomír Bakule (2009)

Kybernetika

This special issue provides information on current and future research directions in the emerging field of Decentralized Control of Large Scale Complex Systems. There is generally adopted view that a dynamic system is large scale complex whenever it is necessary to partition its analysis or synthesis problem to manageable subproblems. Its fundamental characteristics in modeling and control are high dimensionality, uncertainty, information structure constraints, and delays. Theory of large scale...

Spectrum of Signals.

Vu Kim Tuan (2001)

The journal of Fourier analysis and applications [[Elektronische Ressource]]

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