In $(3.12)$ how is it possible to take $\beta $ inside since beta is real ? I think it should be $im(\alpha\omega-i\beta$ . Am I correct ? It seems easy but it gives headaches for two days . Could someone please explain this.
2026-03-25 18:53:31.1774464811
Regarding elementary complex arithmetic in J.B. conway's proposition 3.10
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