Ostrowski's Theorem and other diversions

Ostrowski's Theorem and other diversions

Mon, 23/02/2009
16:00 		Jahan Zahid (Oxford) Junior Number Theory Seminar Add to calendar SR1
Ostrowski's Theorem and other diversions
Aside from a few tangential problems, this seminar will include a proof of Ostrowski's Theorem. This states than any norm over the rationals is equivalent to either the Euclidean norm or the $ p $-adic norm, for some prime $ p $.