Abstract: We present a way to lift up the Tower complexity lower bound of the reachability problem for Petri nets to match the Ackermannian upper bound closing a long standing open problem. We also ...

Attention Outlander owners! A serious recall affects liftgate springs. Find out what you need to know and protect yourself ...

If you own a Jeep Compass, you already know the cabin can get messy faster than expected. Muddy shoes, rainwater, road salt, gravel, spilled coffee, and daily dust all end up in the footwells and ...