Abstract. The Galois connection involving polymorphisms and coclones has received a lot of attention in regard to constraint satisfaction problems. However, it fails if we are inte...
Abstract. The paper deals with the question of recognizing the mutual positions of the connected components of a non-singular real projective surface S in the real projective 3-spa...
Elisabetta Fortuna, Patrizia M. Gianni, Domenico L...
Abstract. The aim of this paper is to study a family of logics that approximates classical inference, in which every step in the approximation can be decided in polynomial time. Fo...
We propose a logic for specifying security policies at a very el of abstraction. The logic accommodates the subjective nature of affirmations for authorization and knowledge withou...
Deepak Garg, Lujo Bauer, Kevin D. Bowers, Frank Pf...