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bdim: the Italian Digital Mathematical Library

Coti Zelati, Vittorio — 2010

Towards a Digital Mathematics Library. Paris, France, July 7-8th, 2010

We present bdim (Bibliteca Digitale Italiana di Matematica) the Italian project of math digitization. The project has been started by SIMAI (Società Italiana di Matematica Applicata e Industriale) and UMI (Unione Matematica Italiana) with initial support from the Biblioteca Digitale Italiana and the Italian Ministry of Beni and Attività Culturali and with the help of Numdam. At the moment bdim consists of approximately 1,300 articles, 11,000 pages (articles from Bollettino Unione Matematica Italiana,...

An Update on bdim the Italian Digital Mathematical Library

Zelati, Vittorio Coti — 2011

Towards a Digital Mathematics Library. Bertinoro, Italy, July 20-21st, 2011

bdim has been in operation since the fall of 2010 and has been slowly growing in the last year. I will report here: 1) on what is new in bdim with respect to the first presentation in DML 2010; 2) on some of the technical aspects of our implementation; 3) on the projects for the near future; 4) on some of the issues related to possible integration of bdim with EuDML.

Multibump solutions for Hamiltonian systems with fast and slow forcing

Vittorio Coti ZelatiMargherita Nolasco — 1999

Bollettino dell'Unione Matematica Italiana

Si dimostra l'esistenza di infinite soluzioni «multi-bump» - e conseguentemente il comportamento caotico - per una classe di sistemi Hamiltoniani del secondo ordine della forma - q ¨ + q = g 1 ω t + g 2 t / ω V q per ω sufficientemente piccolo. Qui q R n , g 1 e g 2 sono funzioni strettamente positive e periodiche e V è un potenziale superquadratico (ad esempio V q = q 4 ).

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