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Electric fireplaces are hassle-free alternatives to traditional hearths. We found the best for heating, including ...

Wayfair’s biggest annual sale, Way Day, is back. The three-day event offers plenty of deals — up to 80% off — on everything from mattresses and furniture to bedding and more. Some highlights from the ...

Abstract: This paper studies the design of nondeterministic supervisors for Petri nets with uncontrollable and unobservable transitions under replacement attacks. We focus on the problem of liveness ...