MATH 227B

Algebraic Topology

Mathematics · 4 units · Graduate courses (200-299)

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CW complexes, fiber bundles, homotopy theory, cohomology theory, spectral sequences.

When it runs

Not on the schedule for any of Fall 2025 through Spring 2027. UCLA publishes only that window, so this does not mean the course is gone — check the official listing.

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Requisites

Official UCLA wording
Requisite: course 225B.

BruinTree reads · Prerequisite

confidence 1.00 · from text

MATH 225B

Requires

Everything that has to come before this course, not just the courses named in the requisite above.

MATH 227B

MATH 225BDifferential Topology

1 direct requisite. The whole upstream is here — 1 course over 1 level. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

MATH 227B

MATH 237Topics in Algebraic Topology

1 course lists this as a requisite. The whole downstream is here — 1 course over 1 level. Every course here opens its own tree.