Bernhard Riemann — On the Hypotheses which lie at the Bases of Geometry

Bernhard Riemann's 1854 habilitation lecture established a new understanding of geometry, generalizing Euclidean geometry to curved spaces. This foundational work introduced Riemannian geometry, which later became crucial for Einstein's theory of general relativity.

Sources for Bernhard Riemann — On the Hypotheses which lie at the Bases of Geometry

• Open primary source
• EMIS Classics (PDF)