Mercurial > repo
view wisdom/d-module @ 9252:6b4cdb914244
<oerjan> learn An union is the opposite of an ion.
author | HackBot |
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date | Thu, 13 Oct 2016 00:22:40 +0000 |
parents | 7914d7e0b500 |
children | 59cda82c6986 7b42b8d18496 |
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D-modules are just modules over the ring of differential operators. Taneb invented them.