Forum Studenti •Disuguaglianza di Glaeser

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Forum Studenti •Disuguaglianza di Glaeser

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Disuguaglianza di Glaeser

Inviato: sabato 27 febbraio 2016, 15:33

da Giuseppe95

Qualcuno potrebbe spiegarmi cos'è la disuguaglianza di Glaeser?
Grazie

Re: Disuguaglianza di Glaeser

Inviato: sabato 27 febbraio 2016, 18:20

da GIMUSI

qui trovi qualche informazione

Re: Disuguaglianza di Glaeser

Inviato: domenica 28 febbraio 2016, 19:37

da Massimo Gobbino

Brutalmente l'idea è questa: se la funzione e la sua derivata seconda sono piccole, allora anche la derivata prima deve essere piccola.

L'esempio più facile è quello delle funzioni f : R -> R. Supponiamo che |f(x)|<=1 e |f''(x)|<=1 per ogni x reale. Allora |f'(x)| non può essere più grande di tanto.