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Timeline for Symbol of pseudodiff operator

Current License: CC BY-SA 3.0

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Jun 11, 2016 at 4:34 comment added Pedro Lauridsen Ribeiro +1 for the answer as well. It's good to recall that Hörmander thanks Melrose explicitly in the preface to the third and fourth volumes of his treatise. In fact, he goes on to tell there that the latter was originally meant to be a joint project of both. I've been curious to know why Melrose moved away from the idea...
Jan 6, 2012 at 2:17 history edited Richard Montgomery CC BY-SA 3.0
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Sep 21, 2011 at 23:03 vote accept Hammerhead
Sep 20, 2011 at 22:49 history edited Rafe Mazzeo CC BY-SA 3.0
added 15 characters in body
Sep 20, 2011 at 22:24 history answered Rafe Mazzeo CC BY-SA 3.0