Sull’omologia degli aperti -completi di uno spazio di Stein
È esaminata la personalità di Vito Volterra sia dal punto di vista scientifico che umano e sono illustrati alcuni studi più o meno recenti a lui dedicati.
We study a new Poincaré problem for meromorphic functions which is intermediate between the weak Poincaré problem and the strong one.
With the creation of the Italian Kingdom, a new era in mathematical research and teaching in Bologna began, and certainly marked a positive advance with respect to the situation in the preceding decades. As is natural, however, the progress was slow, and passed through many very different stages. We will focus here on this progress in the first decades after 1860.
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