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Nov 9, 2013 at 8:53 comment added Sebastien Palcoux @PavelSafronov : yes, space-time dimension 2+2 (thank you for your comment). I also read about space-time dimension 1+1 (see here). Anywhere, it's coherent with my last remark.
Nov 9, 2013 at 1:11 comment added Pavel Safronov $N=2$ strings have spacetime dimension 4 (see e.g. arxiv.org/abs/hep-th/9211059).
Nov 8, 2013 at 20:38 comment added Sebastien Palcoux @ToddTrimble : I've improved the presentation, I hope it's ok.
Nov 8, 2013 at 20:37 history edited Sebastien Palcoux CC BY-SA 3.0
I have improved the presentation, as suggested by the moderator Todd Trimble.
Nov 8, 2013 at 18:33 comment added Todd Trimble (I said this was probably alright for MO, although a slightly more conceptual presentation might make some of the MO denizens happier. Let's give it a go.)
Nov 8, 2013 at 18:20 history edited Sebastien Palcoux
I've added two tags
Nov 8, 2013 at 18:15 history migrated from physics.stackexchange.com (revisions)
Nov 8, 2013 at 16:55 comment added dmckee I've asked the MO mods if they want it. I'll get back to you.
Oct 13, 2013 at 13:46 comment added Sebastien Palcoux $\Delta = \beta^{2}-4\alpha \gamma$ is the discriminant of the polynomial $\alpha x^{2}+\beta x+\gamma$.
Oct 13, 2013 at 11:45 history asked Sebastien Palcoux CC BY-SA 3.0