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Le but de cette note est de montrer la solution au problème suivante de Banach: Problème: P étant un ensemble plan fermé, ou, plus généralement, mesurable (B), quel est l'ensemble N(P) de tous les nombres réels b, tels que la droite y=b rencontre l'ensemble P en une infinité non dénombrable de points ?
Le but de cette note est de donner une condition nécessaire et suffisante à laquelle doit satisfaire l'image d'une fonction, pour qu'elle soit représentable analytiquement.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.