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- 23 Why is BG infinite dimensional for G finite ?
- 20 Example of group cohomology not annihilated by exponent of $G$?
- 16 Which field is it?
- 11 Examples of Tate cohomology rings
- 9 Can the Bockstein spectral sequence be used to compute cohomology rings ?
- 8 Which information can be obtained from Poincaré series ?
- 8 Möbius strip with multiple twists
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