Giovanni Battista Rizza
| Giovanni Battista Rizza | |
|---|---|
| Born |
7 February 1924 Piazza Armerina |
| Residence | Parma |
| Nationality | Italian |
| Fields | |
| Institutions | |
| Alma mater | Università degli Studi di Genova |
| Doctoral advisor | Enzo Martinelli |
| Doctoral students | see the teaching activity section |
| Known for |
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| Notable awards |
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| Spouse | Lucilla Bassotti |
Giovanni Battista Rizza (born 7 February 1924) (at the registry office Giambattista Rizza) is an Italian mathematician, working in the fields of complex analysis of several variables and in differential geometry: he is known for his contribution to hypercomplex analysis, notably for extending Cauchy's integral theorem and Cauchy's integral formula to complex functions of a hypercomplex variable, the theory of pluriharmonic functions and for the introduction of the now called Rizza manifolds.
Born in Piazza Armerina, the son of Giovanni and Angioletta Bocciarelli, he graduated from the Università degli Studi di Genova, earning his laurea degree in 1949 under the direction of Enzo Martinelli. In 1956 he was in Rome at the INdAM, having been awarded a scholarship for his early research activities. A year later, in 1957, he was elected "discepolo ricercatore" in the same institute. During the same year, he gave some lectures on topics belonging to the field of several complex variables, later included in the lecture notes (Severi 1958). In Rome he also met Lucilla Bassotti, who eventually become his wife. In 1961, he won the competitive examination for the chair of "Geometria analitica con elementi di Geometria Proiettiva e Geometria Descrittiva con Disegno" of the University of Parma, scoring first out of the three finalists: a year later, in 1962, he became extraordinary professor, and then, in 1965, ordinary professor to the same chair. In 1979 he became ordinary professor of "Geometria superiore", holding that chair uninterruptedly until 1994: from 1994 up to his retirement in 1997, he was "professore fuori ruolo" in the same department of mathematics where he worked for more than 35 years.
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