Algebraic Topology
N J Wildberger
Explore algebraic topology with N J Wildberger's homotopy course! Learn fundamental concepts and build a strong foundation in this fascinating area.
More resources on Homotopy
nLab: Homotopy Theory
Comprehensive wiki on homotopy theory in algebraic topology
Hatcher's Algebraic Topology
Free online textbook covering homotopy and fundamental group
Algebraic Topology
Learn homotopy theory with Ryan Budney's Algebraic Topology course! Explore fundamental concepts and build a strong foundation.
Algebraic Topology
Algebraic Topology - A book resource
mathworld.wolfram.com
Wolfram MathWorld is a comprehensive online mathematics encyclopedia offering clear definitions, explanations, formulas, and diagrams for a wide range of topics. Its Homotopy section provides formal definitions, essential theorems, examples, and cross-references to related concepts.
ocw.mit.edu
MIT OpenCourseWare offers free, openly licensed MIT course materials for self-guided learning across disciplines, including mathematics. You can download lecture notes, assignments, exams, and often video lectures from MIT courses on topics like topology and homotopy.