How to show that there does not exist an automorphism of $\Bbb{Q_p}$ except identity. Please help. Is any automorphism of $\Bbb{Q_p}$ already continuous.?
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1http://math.stackexchange.com/questions/449424/an-automorphism-of-the-field-of-p-adic-numbers – MathStudent May 25 '14 at 16:57