<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Tda on Marginalia</title><link>https://sguzman.github.io/marginalia/tags/tda/</link><description>Recent content in Tda on Marginalia</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Thu, 12 Feb 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://sguzman.github.io/marginalia/tags/tda/index.xml" rel="self" type="application/rss+xml"/><item><title>Topology</title><link>https://sguzman.github.io/marginalia/posts/topology/</link><pubDate>Thu, 12 Feb 2026 00:00:00 +0000</pubDate><guid>https://sguzman.github.io/marginalia/posts/topology/</guid><description>A comprehensive, historically grounded survey of topology: its 18th-century precursors (Euler and early structural problems), its formal birth in the late 19th century (Poincare and analysis situs), its 20th-century axiomatization and algebraic revolution (point-set topology, homology, homotopy), and its modern frontiers and applications (manifold theory, low-dimensional topology, and topological methods in data science, physics, and engineering). The piece emphasizes topology’s qualitative viewpoint - invariance under continuous deformation - and maps major subfields and conceptual bridges to geometry and analysis.</description></item></channel></rss>