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# Questions

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### Why is BG infinite dimensional for G finite ?

nov 17 11 at 5:54 Tom Goodwillie 26.8k260110

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### Examples of Tate cohomology rings

oct 19 11 at 12:13 Rene Schoof 1384

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### Which information can be obtained from Poincaré series ?

jul 7 at 8:56 Ralph 12.5k1036

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### Asymptotics for the coefficients of a rational function

aug 8 at 19:57 TJ 568110

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### Can the Bockstein spectral sequence be used to compute cohomology rings ?

sep 4 at 22:17 TJ 568110

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### Are epimorphisms from a division ring isomorphisms ?

feb 10 at 10:58 Torsten Schoeneberg 42337

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### Epimorphisms and free submodules

mar 10 at 1:36 Ralph 12.5k1036

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### Properties of ring epimorphisms that are true only over commutative rings

mar 14 at 9:26 Ralph 12.5k1036

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### Are homogeneous components of f.g graded modules f.g ?

sep 18 at 22:32 Ralph 12.5k1036

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