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  • (cur | prev) 05:21, 28 August 2008โ€Ž Walther (Talk)โ€Ž . . (482 bytes) (+482)โ€Ž . . (New page: The theorem says that v+f=e+2. This is taught in MA 375 and, in fancy terms, expresses the fact that the Euler characteristic of a 2-sphere equals 2. (More generally, Euler characteristics...)

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Abstract algebra continues the conceptual developments of linear algebra, on an even grander scale.

Dr. Paul Garrett