File talk:Penrose symmetric E a-n.svg

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Misnamed, should be asymmetric

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I believe this is the asymmetrization operator and the symmetric one is the wavy bar in File:Penrose asymmetric Q^a-n.svg. See pages 241, 242 of Roger Penrose: The Road to Reality: A Complete Guide to the Laws of the Universe. Jonathan Cape, London u. a. 2004, ISBN 0-224-04447-8.. Dmcq (talk) 15:32, 11 April 2012 (UTC)[返信]

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