Fréchet
Fréchet is a French surname associated with several key concepts in mathematics, most notably through the work of Maurice Fréchet (1878–1973), a French mathematician who helped establish modern topology and functional analysis. His contributions laid the foundations for topology, analysis in infinite-dimensional spaces, and metric geometry, influencing many areas of mathematical analysis.
In mathematics, several notions bear his name. The Fréchet derivative generalizes the derivative for mappings between