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Le but de cette note est de donner des démonstrations simples et naturelles des des théorèmes connus de Borel, Fréchet, Vitali et Lusin sur le fonctions mesurables et d'établir dans le même ordre d'idées un résultat nouveau, notamment que: pour toute fonction mesurable presque partout finie f(x) il existe deux fonctions semicontinues supérieurement et presque partout finie, dont la différence est...
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.