Biography:Felice Casorati (mathematician)

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Short description: Italian mathematician
Felice Casorati
Felice Casorati.jpg
Felice Casorati
Born
Pavia, Lombardy–Venetia
Died11 September 1890(1890-09-11) (aged 54)
Casteggio, Italy
NationalityItalian
Alma materUniversity of Pavia
Scientific career
FieldsMathematician
Doctoral advisorFrancesco Brioschi

Felice Casorati (17 December 1835 – 11 September 1890) was an Italian mathematician who studied at the University of Pavia. He was born in Pavia and died in Casteggio.

He is best known for the Casorati–Weierstrass theorem in complex analysis. The theorem, named for Casorati and Karl Theodor Wilhelm Weierstrass, describes the remarkable behaviour of holomorphic functions near essential singularities, which is that every holomorphic function gets values from any complex neighbourhood, in any neighbourhood of the singularity.

The Casorati matrix is useful in the study of linear difference equations, just as the Wronskian is useful with linear differential equations. It is calculated based on n functions of the single input variable.

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