$Planetmath.org Development Server$

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This is the PlanetMath.org development server. This is the place where the latest Noosphere enhancements are demonstrated and functionality will break periodically.

All encyclopedia entries are written in LaTeX. All of the entries are automatically cross-referenced and the entire corpus is kept updated in real-time.

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Latest Additions

Tuesday, 2011-6-14

[ Van Kampen Theorems ]

[ Van Kampen theorems for groups and groupoids ]

[ Alexander Grothendieck's biography and maths ]

Monday, 2011-6-13

[ algebraic categories ]

[ classes of algebras ]

[ algebraic topology ]

[ algebraic category of LMn -logic algebras ]

[ Baum-Connes conjecture ]

[ John Griggs Thompson ]

[ Robert Rosen ]

[ George Pólya ]

[ Nicolae Popescu ]

[ Ronald Brown ]

[ Sir Michael Francis Atiyah ]

[ Elie J. Cartan ]

Thursday, 2011-6-9

[ double groupoid with connection ]

[ double category ]

[ double groupoid ]

[ $2$ -category of double groupoids ]

[ CW-complex representation theorems in QAT ]