The Erlangen programme, proposed by Felix Klein, characterizes geometries based on group theory and projective geometry.
Notes on verification
Confirmed by multiple independent high-quality sources including Wikipedia, Britannica, nLab, and an arXiv translation of Klein's original text. All corroborate the date, attribution, and content of the claim. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=0.925 clusters=2 claim_tier=notable]
Sources
- List of mathematics history topics (wikipedia)
- https://ncatlab.org/nlab/show/Erlangen+program (corroboration)
- https://arxiv.org/abs/0807.3161 (corroboration)