Francesco Gerbaldi

from Wikipedia, the free encyclopedia

Francesco Gerbaldi (born July 29, 1858 in La Spezia , † June 29, 1934 in Pavia ) was an Italian mathematician who dealt with algebraic geometry.

Gerbaldi studied at the University of Turin with the laureate degree in 1879 and was then assistant to Enrico D'Ovidio in Turin, spent some time in Germany for further studies, was in Pavia and Rome, before becoming professor in 1890 after winning a competition the University of Palermo . He was a colleague of Giovanni Guccia , the founder of the Circolo Matematico di Palermo, and promoted the prestige of the mathematics faculty of the university by bringing mathematicians like Giuseppe Bagnera , Michele De Franchis , Pasquale Calapso and Michele Cipolla . In 1908 he moved to the University of Pavia . In 1931 he retired.

He is known for Gerbaldi's theorem, the construction of six pairwise apolar linearly independent quadrics (non-degenerate ternary quadratic forms). He later examined the symmetry groups of these six quadrics and found in 1898 that this is the Valentiner group, a finite group of order 1080 found by the Danish mathematician Herman Valentiner (1850-1913) in 1889 and further investigated by Anders Wiman , which is isomorphic to the alternating group of is six elements and is a subgroup of the automorphisms of the complex projective plane.

In 1897 he gave a lecture at the first International Congress of Mathematicians in Zurich (Sul gruppo semplice di 360 collineazione piane).

Web links

Individual evidence

  1. ↑ Gerbaldi Sui gruppi di sei coniche in involuzione , Torino Atti, Volume 17, 1882, P. XVII: 566-580
  2. ↑ Gerbaldi Sul gruppo semplice di 360 collineazioni piane , Mathematische Annalen, Volume 50, 1898, pp. 473–476
personal data
SURNAME Gerbaldi, Francesco
BRIEF DESCRIPTION Italian mathematician
DATE OF BIRTH July 29, 1858
PLACE OF BIRTH La Spezia
DATE OF DEATH June 29, 1934
Place of death Pavia