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Apr 18, 2016 at 18:06 comment added Z. Alfata @ Raziel: what we can also say for the spectrum $\sigma(\Delta)$ of $\Delta$ and of $\sigma(\Delta_{sub})$ ?
Apr 2, 2016 at 23:00 vote accept Z. Alfata
Apr 2, 2016 at 19:02 history edited Raziel CC BY-SA 3.0
added 25 characters in body
Apr 2, 2016 at 18:56 history edited Raziel CC BY-SA 3.0
added 25 characters in body
Apr 2, 2016 at 13:59 history edited Raziel CC BY-SA 3.0
deleted 36 characters in body
Apr 2, 2016 at 13:54 history edited Raziel CC BY-SA 3.0
deleted 36 characters in body
Apr 2, 2016 at 13:33 history edited Raziel CC BY-SA 3.0
added 225 characters in body
Apr 2, 2016 at 13:27 history edited Raziel CC BY-SA 3.0
added 225 characters in body
Apr 2, 2016 at 13:19 history edited Raziel CC BY-SA 3.0
added 131 characters in body
Apr 2, 2016 at 13:12 history answered Raziel CC BY-SA 3.0