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Date: 2012-01-30 20:38:31 Category theory Functions and mappings Algebraic topology Function Pullback Adjoint functors Sheaf Topos Well-founded relation Mathematics Abstract algebra Algebra		Add to Reading List Source URL: arxiv.org Download Document from Source Website File Size: 289,29 KB Share Document on Facebook

	The Schur algebra is not spectral in B(`2). Romain Tessera∗ July 31, 2009 Abstract We give an example of an infinite matrix whose rows and columns DocID: 1xVrQ - View Document
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	ADDENDUM TO “ALL AUTOMORPHISMS OF THE CALKIN ALGEBRA ARE INNER” ILIJAS FARAH Abstract. The proof of my recent result that all automorphisms of the Calkin algebra are inner can be simplified by using a simple observat DocID: 1vlGI - View Document