Abstract: Vector addition systems with states (VASS), also known as Petri nets, are a popular model of concurrent systems. Many problems from many areas reduce to the reachability problem for VASS, ...

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Abstract: The constant switching frequency space vector pulse width modulation (CSFSVPWM) generates high-frequency harmonics with integer multiples of the switching frequency, making it fail to fully ...

A nearly intact Geran-2, landed upright on the ground, was found with a 9K333 Verba Man-Portable Air Defense System (MANPADS) mounted on the top. A month after a Russian Geran-2 one-way attack (OWA) ...