Giovanni Battista Rizza
Giovanni Battista Rizza | |
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Giovanni Battista Rizza at work in his home office, in 2003. | |
| Born | 7 February 1924 Piazza Armerina, Italy |
| Died | 15 October 2018 (aged 94) Parma, Italy |
| Nationality | Italian |
| Alma mater | Università degli Studi di Genova |
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| Spouse | Lucilla Bassotti |
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| Scientific career | |
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| Doctoral advisor | Enzo Martinelli |
Giovanni Battista Rizza (7 February 1924 – 15 October 2018), officially known as Giambattista Rizza, was 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.