yes but the same special psx endings that insinuate that chrono died are the same ones that showed crono marrying marle. True, it could be argued that she escaped and had a child with another, but...
also, because doan is the descendant of the information center, and a dome sitts over truce, it is apparrent that the citizens of the northwestern continent have again regained power of some sort, which allows for an interesting sequel concept. of course given what square churned up when asked for a first sequel to ct, who knows what blech they'll churn up next.