Abstract. This paper shows undecidability of type-checking and typeinference problems in domain-free typed lambda-calculi with existential types: a negation and conjunction fragmen...
Koji Nakazawa, Makoto Tatsuta, Yukiyoshi Kameyama,...
Ownership types characterize the topology of objects in the heap, through a characterization of the context to which an object belongs. They have been used to support reasoning, me...
Bounded existential types are a powerful language feature ling partial data abstraction and information hiding. However, existentials do not mingle well with subtyping as found in ...