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Date: 2016-02-04 13:15:16 | Solutions of Qualifying Exams I, 2013 Fall 1. (Algebra) Consider the algebra M2 (k) of 2 × 2 matrices over a field k. Recall that an idempotent in an algebra is an element e such that e2 = e. (a) Show that an idempotentAdd to Reading ListSource URL: www.math.harvard.eduDownload Document from Source WebsiteFile Size: 254,67 KBShare Document on Facebook |