Publications

Casciola, G.; Morigi, S.; Sanchez-Reyes, J., Degree elevation for p-Bézier curves, «COMPUTER AIDED GEOMETRIC DESIGN», 1998, 15, pp. 313 - 322 [Scientific article]

Parenti, C.; Parmeggiani, A., Some Remarks on Almost-Positivity of ψdo ' s, «BOLLETTINO DELL'UNIONE MATEMATICA ITALIANA. B», 1998, 1, pp. 187 - 215 [Scientific article]

Parmeggiani, A., Necessary and sufficient conditions for the almost-positivity of certain 4th-order pseudodifferential operators. A generalization, «FORUM MATHEMATICUM», 1998, 10, pp. 277 - 301 [Scientific article]

Grassi, Antonella, Divisors on elliptic Calabi-Yau 4-folds and the superpotential in F-Theory, «JOURNAL OF GEOMETRY AND PHYSICS», 1998, 28, pp. 289 - 319 [Scientific article]

D'Andrea A.; Kac V.G., Structure theory of finite conformal algebras, «SELECTA MATHEMATICA», 1998, 4, pp. 377 - 418 [Scientific article]