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Topics include geometry of surfaces, manifolds, differential forms, Lie groups, Riemannian manifolds, Levi-Civita connection and curvature, curvature and topology, Hodge theory. Additional topics such as bundles and characteristic classes, spin structures, and Dirac operator, comparison theorems in Riemannian geometry.

No Prerequisites

4

Units

Optional

Grading

1, 2, 3

Passtime

None

Level Limit

Letters and science

College
Unlocks MATH 241B
Gufong Wei
2.3
114 reviews
Winter 2026 . Wink M
HSSB 1228
M W F
11:00 AM - 11:50 AM
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MATH 240B Wei G Winter 2025 Total: 7
MATH 240B Wei G Winter 2022 Total: 7
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114
2.3
CALC3A . 6 Months Ago

NEVER TAKE THIS PROFESSOR. Trust me

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MATH4B . 6 Months Ago

Prof Wei is like an Asian auntie who's a professor. The lecture notes are posted, but she always goes through the problems. If you have a question, she thoroughly explains and gives a fundamental answer. She literally tells you what types of problems are going to be on both miderms + final and practice, but the final was more tricky than expected.

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MATH4B . 8 Months Ago

Great professor, but few opportunities to get your grade up.

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MATH4B . 8 Months Ago

Professor Wei is a great lecturer. Her explanations are very easy to follow and she makes the content interesting and fun. Math 4B is not the easiest, but Wei posts what content each question will cover before each exam, so you know exactly what to study. If you go to lecture and section, this class will be very easy.

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MATH4B . 9 Months Ago

Prof. Wei's lecture is really straight forward and her slides are good for reviewing. Honestly her exams need some preparation, but they are not very tough. 80% exams, 20% homework. She posts grade standard after the final. I think only top 20% get A's. In 4b, there's no further explanation for theories behind differential equations.

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MATH4B . 9 Months Ago

I don't know why Prof Wei is rated so low, they're a very easy grader with all exam question topics clearly outlined. I skipped all my classes and then used an anime girl chatbot to study for the midterms and got near perfect scores. Heard their lectures were a bit confusing but that's about it.

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See all 114 reviews
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