: In this paper a co-design methodology based on multiformalism modelling is presented. It defines a platform that integrates different notations and, the necessary mechanisms to h...
Nikos S. Voros, S. K. Tsasakou, C. Valderrama, S. ...
We consider the computably enumerable sets under the relation of Qreducibility. We first give several results comparing the upper semilattice of c.e. Q-degrees, RQ, ≤Q , under ...