According to Klein’s analysis and historical records, the 19th century was defined by several major shifts:
Klein’s historical account is not a dry encyclopedia but a series of "selected sketches" of eminent individuals and schools. The volumes generally cover: development of mathematics in the 19th century klein pdf
The 19th century was a transformative era for mathematics, shifting the field from a tool for physical calculation to a rigorous, abstract science. A primary chronicle of this evolution is Felix Klein’s seminal work, Vorlesungen über die Entwicklung der Mathematik im 19. Jahrhundert ( Lectures on the Development of Mathematics in the 19th Century ). According to Klein’s analysis and historical records, the
The century began with the immense influence of Carl Friedrich Gauss, who set new standards for proof and precision. This trend continued through the work of Weierstrass and Cauchy, who formalized the foundations of calculus. Jahrhundert ( Lectures on the Development of Mathematics
Throughout his lectures, Klein emphasized the importance of maintaining a "living stimulus" between pure theory and its applications in physics and technology. Structure of Klein’s Work
Klein highlighted the brilliant achievements of Riemann and Weierstrass in function theory. He saw the 19th century as a period where transcendental methods (like Riemann surfaces) and algebraic methods (like invariant theory) began to merge.
Klein's lectures, published posthumously in two volumes (1926–1927), offer an "advanced standpoint" on how the century's great minds unified disparate branches of mathematics. Key Themes in 19th-Century Mathematics