Abstract: This article derives necessary and sufficient conditions for robust stability of a feedback interconnection of linear time-invariant (LTI) systems that exhibit positive realness on finite ...

On the hills above Cornol in the canton of Jura in Switzerland, scientists are testing unusual new defenses in the fight against the invasive Asian hornet (Vespa velutina): electric harps and hive ...

On the hills above Cornol in the canton of Jura, scientists are testing unusual new defences in the fight against the invasive Asian hornet (Vespa velutina): electric harps and hive “muzzles.” The ...