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FUIN
2002
14 years 11 months ago
2002
We present a direct universal P system based on splicing. Our approach differs from those shown in previous papers as the P system we construct takes as input an encoding of anothe...
FUIN
2002
14 years 11 months ago
2002
In this paper we focus upon a comparison of some generalized rough approximations of sets, where the classical indiscernibility relation is generalized to any binary reflexive rela...
FUIN
2002
14 years 11 months ago
2002
We use information entropy measure to extend the rough set based notion of a reduct. We introduce the Approximate Entropy Reduction Principle (AERP). It states that any simplificat...
FUIN
2002
14 years 11 months ago
2002
Abstract. In this paper we give a complete formalization of a new computability model of a distributed parallel type which is inspired by some basic features of living cells: trans...
FUIN
2002
14 years 11 months ago
2002
We study caterpillar tree automata [3] that are restricted to enter any subtree at most one time (or k times). We show that, somewhat surprisingly, the deterministic one-visit aut...