Floris van Doorn
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18ee7ce410
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redefine direct_sum to use multiplicative groups
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2017-06-07 01:01:19 -04:00 |
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Floris van Doorn
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ed7de51d02
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move basic lemmas from the spectral repository to the main repository
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2017-06-02 12:15:31 -04:00 |
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Floris van Doorn
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aefc8eccc1
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define submodules, quotient modules and homology of module morphisms
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2017-04-13 20:39:04 -04:00 |
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Floris van Doorn
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93126a9c2b
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checkpoint, submodules
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2017-04-13 14:54:48 -04:00 |
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Floris van Doorn
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d828120216
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checkpoint, additive homs
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2017-04-13 14:51:43 -04:00 |
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Floris van Doorn
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5bb2c7859d
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checkpoint for direct sum of graded modules
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2017-04-10 20:34:49 -04:00 |
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Floris van Doorn
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b08457c77f
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move things to the Lean library, and update after changes in the Lean library
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2016-11-24 00:11:55 -05:00 |
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Floris van Doorn
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8e366e08c3
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Finish the universal property of the direct sum
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2016-11-23 23:54:32 -05:00 |
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Floris van Doorn
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9df0b25ae5
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some additions to the smash product and direct sums
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2016-11-14 14:44:29 -05:00 |
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Floris van Doorn
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29bf3bdd8e
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clean-up in imports/opens of the files in the algebra folder
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2016-10-13 16:02:04 -04:00 |
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Egbert Rijke
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038bbb8be3
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split group_constructions into several files
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2016-10-13 15:04:57 -04:00 |
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