nLab: de Rham cohomology
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Comprehensive reference with definitions and references, frequently linked in Reddit discussions.
More resources on De Rham Cohomology
MathOverflow: Learning de Rham cohomology
Thread with expert recommendations, cross-posted to Reddit.
Lectures on the Geometry of Manifolds
Learn De Rham cohomology with Frederic Schuller's engaging "Lectures on the Geometry of Manifolds" course. Explore manifolds and geometric structures!
Differential Geometry
Explore De Rham cohomology with MIT's Differential Geometry course by George Lusztig. Master key concepts in this advanced math topic.
mathworld.wolfram.com
MathWorld is an extensive online mathematics encyclopedia by Wolfram, offering concise, entry-style articles with definitions, theorems, examples, and diagrams. Its De Rham Cohomology page explains the concept, key definitions, and results, and links to related topics and references.
ocw.mit.edu
MIT OpenCourseWare (OCW) provides free, openly licensed MIT course materials across disciplines. It includes mathematics courses with lecture notes, assignments, exams, and videos—useful for learning topics like differential geometry and topology that underpin De Rham cohomology.
ncatlab.org
nLab is a community-edited wiki for mathematics and theoretical computer science, with a focus on category theory, higher algebra, and related topics. It hosts in-depth entries on De Rham cohomology, differential geometry, and many interconnected concepts, including definitions, explanations, and discussions.