Augustin louis Cauchy (Cauchy, Augustine Louis 1789- 1857) was born in Paris. His father, Louis Fran? ois Cauchy, was an official of the French Bourbon dynasty and had been holding public office in the turbulent political vortex of France. Due to family reasons, Cauchy himself belongs to the orthodox school that supports the Bourbon dynasty and is a devout Catholic. And in the field of mathematics, he has made great achievements and accomplishments. Many mathematical theorems and formulas are also named after him, such as Cauchy inequality and Cauchy integral formula.
Jacques Solomon Hadamard (186565438+February 8th-1963 65438+ 10/7) is a French mathematician. He is most famous for proving the prime number theorem.
He created the concept of well-posed problems of partial differential equations. He also named Hadamard volume inequality and Hadamard matrix, which is based on Hadamard transformation. Hadamard gate of quantum computing uses this matrix.
In Adama's Psychology of Invention in Mathematics, he used introspection to describe the mathematical thinking process. Contrary to the author's equating cognition with language, most of his mathematical thinking is wordless, often accompanied by psychological images, which condense the whole idea of proof.