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19 Jun 2013: Lemma 2.8. Suppose that A,B GLn(K) satisfy An = Bn = In and AB = ζnBAfor some primitive nth root of unity ζn K. ... Determining theright choice of sign takes some care; see Remark 4.1 below.

20 Feb 2013: Inthat paper we outlined a strategy for proving some cases of SPn1(K) by reducing it to two other conjecturesabout automorphic forms, relating to the existence of automorphic tensor products and ... XB)a (Y B)b for some integers a,b 0.

18 Dec 2013: However, restricting to this class would indeedbecome justified a postiori if some very difficult conjectures12 in the subject turnout to be true. ... 0. There exist some inextendible future-directed timelike geodesics which donot enter B.

13 Jan 2013: If some vi = 0, then 1 0 = 0 is a linear relation, so v1,. ... the algorithm finishes, we end up with a diagonal matrix B with some oneson the diagonal, then zeros, and we have written it as a product(.