1/18 | Overview; Cell complexes | P. 1-8 |
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1/20 | The fundamental
group | P. 21-28 | Homework 1, due Thursday 1/27
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1/25 | Fundamental group of the circle | P. 29-31 |
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1/27 | Brouwer & Borsuk-Ulam theorems | P. 31-34 |
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2/1 | Induced homomorphisms | P. 34-37 | P. 38-39, #8, 9, 10,
16. Due Tuesday 2/8
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2/3 | Van Kampen's theorem | P. 40-46 |
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2/8 | Applications of van
Kampen | P. 46-52; extra
page |
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2/10 | Fundamental groups of
manifolds | Conway's
ZIP
Proof, Mapping
class group | Homework 3, due Thursday 2/17
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2/15 | Intro to covering spaces | P. 56-61 |
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2/17 | The universal
cover | P. 63-65 | Homework 4, due Thursday 2/24
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2/22 | Group actions | P. 70-74 |
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2/24 | Classification of covering spaces | P. 61-62, 66-68. |
Homework 5, due Tuesday 3/15.
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3/1 | Intro to homology | P. 97-101. |
|
3/3 | Simplicial homology | P. 102-107. |
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3/15 | Singular homology: definitions | P. 108-110. | P. 131-132 #4, 5, 8,
10, 11. Due Thursday 3/24
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3/17 | Properties of singular homology | P. 110-113. |
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3/22 | Exact sequences,
H1 vs. π1 | P. 113-114, 166-168. |
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3/24 | Long exact sequence of a pair | P. 114-117. | P. 123
#14, 16, 17. P. 53 #9 (easier using homology!) Due 3/31
|
3/29 | Excision (in a nutshell) | P. 117-124 |
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3/31 | Simplicial = singular homology | P. 125-130 |
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4/5 | Orientations, π1, and homology | Lee,
p. 329-334 | Homework 8, due 4/14
|
4/7 | Degrees of maps | P. 134-135 |
|
4/12 | Degrees from smooth
theory | P. 136,
Wikipedia |
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4/14 | Mayer-Vietoris
sequence | P. 149-153 | Homework 9, due 4/21
|
4/19 | Intro to cohomology | P. 186-189. |
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4/21 | De Rham cohomology | Lee, p. 388-399 (skipping a lot). |
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4/26 | The de Rham theorem | Lee,
p. 425-430. | Homework 10, due 5/5
|
4/28 | Poincaré duality | P. 241-248; Lee, p. 432; Wikipedia |
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