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Further refinements of the GL(2) converse theorem (vol 45, pg 987, 2013)
Journal article   Open access

Further refinements of the GL(2) converse theorem (vol 45, pg 987, 2013)

Andrew R Booker and M Krishnamurthy
The Bulletin of the London Mathematical Society, Vol.47, pp.675-676
08/01/2015
DOI: 10.1112/blms/bdv038
url
https://doi.org/10.1112/blms/bdv038View
Published (Version of record) Open Access

Abstract

Lemma 2.4 of [1] is true, but its proof is not correct in all cases. Precisely, in the proof we defined an n x (n + 1) real matrix M and a vector x(.). is an element of Rn+1 associated to an id`ele class character., and claimed that Mx(.). is an element of Q(n). However, that need not be the case if the number field F is not totally real. To correct for this, we define b(.) = (b(1),..., b(n)), where
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