Non-Euclidean Geometry
Niels Henrik Abel was a Norwegian mathematician known for his groundbreaking work in algebra and the development of elliptic functions. He made significant contributions that laid the foundation for elliptic trigonometric functions, which are essential in the study of geometry and analysis, particularly in non-Euclidean contexts. His work not only advanced the field of mathematics but also had a lasting impact on the development of modern mathematical theory.
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