What is a key concept Fichera worked on?
Several complex variables
Real analysis
Discrete math
Combinatorics
Answer
Several complex variables is a key concept Fichera worked on. Complex variables are mathematical objects that have both a real and an imaginary part. They are used to study a wide variety of problems in mathematics, including the behavior of functions, the solution of differential equations, and the geometry of surfaces.
Exploring the Genius of Gaetano Fichera: An Engaging Math Quiz
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