dated
: a branch of mathematics concerned with those properties of geometric configurations (such as point sets) which are unaltered by elastic deformations (such as a stretching or a twisting) that are homeomorphisms : topology sense 2a(1)
Analysis situs is the name given by [Gottfried Wilhelm] Leibniz [German philosopher and mathematician] to a cluster of mathematical and philosophical investigations into the foundations, development, and formalization of geometry.—Vincenzo De Risi
Starting in 1895, Poincaré wrote a series of papers on analysis situs, his name for the subject known today as algebraic topology.—Christopher K. McCord et. al
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“Analysis situs.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/analysis%20situs. Accessed 26 Aug. 2026.
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