Open MathsAll courses

Companion readings

These lessons provide the algebra, topology, analysis and measure theory used in the foliation course. Each reading retains its own source credits and licence.

  1. Nonunital algebras: unitization, relative classes and half-exactness · Markdown source
    CC0-1.0
  2. Matrix stability, stability and continuity of \(K_0\) · Markdown source
    CC0-1.0
  3. Invertibles, unitaries and \(K_1\) · Markdown source
    CC0-1.0
  4. The index map and the exact sequence at \(K_0\) · Markdown source
    CC0-1.0
  5. Suspension, higher K-groups and the long exact sequence · Markdown source
    CC0-1.0
  6. Bott periodicity · Markdown source
    CC0-1.0
  7. The six-term exact sequence and the exponential map · Markdown source
    CC0-1.0
  8. Topological K-theory of spaces, pairs and vector bundles · Markdown source
    CC0-1.0
  9. Idempotents, projections and their equivalences · Markdown source
    CC0-1.0
  10. Vector bundles and finitely generated projective modules · Markdown source
    CC0-1.0
  11. The Grothendieck group and \(K_0\) of a unital algebra · Markdown source
    CC0-1.0
  12. Toeplitz operators and the index theorem on the circle · Markdown source
    CC0-1.0
  13. Haar measure on locally compact groups · Markdown source
    CC0-1.0
  14. Spectral measures with the original operator domain retained · Markdown source
    CC0-1.0
  15. Measured groupoids and transverse measures · Markdown source
    CC0-1.0
  16. Square-integrable representations and random operators · Markdown source
    CC0-1.0
  17. Weights on random operators and formal dimension · Markdown source
    CC0-1.0
  18. The spatial derivative · Markdown source
    CC0-1.0
  19. The Effros Borel structure · Markdown source
    CC0-1.0
  20. Polish spaces and standard Borel spaces · Markdown source
    CC0-1.0
  21. Manifold duality, the diagonal and Wu classes · Markdown source
    CC0-1.0
  22. Vector bundles and their constructions · Markdown source
    CC0-1.0
  23. Connections and parallel transport · Markdown source
    CC0-1.0
  24. Local tools for bundles and transport · Markdown source
    CC0-1.0
  25. AF-algebras · Markdown source
    CC0-1.0
  26. C*-algebras: continuous functional calculus, automatic continuity, positive cones, approximate identities and quotients · Markdown source
    CC0-1.0
  27. Groupoid C*-algebras: full and reduced · Markdown source
    CC0-1.0
  28. Equivalence of groupoids and Morita equivalence of their C*-algebras · Markdown source
    CC0-1.0
  29. The Rieffel correspondence and induced representations · Markdown source
    CC0-1.0
  30. Imprimitivity bimodules and Morita equivalence · Markdown source
    CC0-1.0
  31. Tensor products and C*-correspondences · Markdown source
    CC0-1.0
  32. Cuntz algebras · Markdown source
    CC0-1.0
  33. Cuntz–Krieger algebras, minimal systems and projectionless algebras · Markdown source
    CC0-1.0
  34. Spectral products, transport and inverse domains · Markdown source
    CC0-1.0
  35. Joint spectral cutoffs and graded tensor sums · Markdown source
    CC0-1.0
  36. Finite conditional expectations, measurable densities, and positive kernel integrals · Markdown source
    CC0-1.0
  37. Bundles, curvature and holonomy: 34 chapters · Markdown source
    Chapter and component notices retained.

Applicable component notices are linked from the readings that use them.