Under the hypothesis that NP has positive p-dimension, we prove that any approximation algorithm A for MAX3SAT must satisfy at least one of the following:
Membrane systems are models of computation which are inspired by some basic features of biological membranes. In a membrane system multisets of objects are placed in the compartme...
We show that the coding of a rotation by on m intervals can be recoded over m Sturmian words of angle . c 2002 Elsevier Science B.V. All rights reserved.
We exhibit a finite family of functions over a finite set (i.e. a finite algebra) such that the problem whether a given function can be obtained as a composition of the members of ...