Having read a thread on a similar question on expository papers I'm reminded of reason #99 to drop my math PhD thingy, late c20th: I just couldn't blow up this paper to 4 pages. (OK, one half-page calculation was left to the expert reader (and other experts could guess), but...)



Which journals publish 1-page papers
There are plenty of examples [listed here](https://mathoverflow.net/questions/7330/which-math-paper-maximizes-the-ratio-importance-length).


