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The generalization of the Schönflies theorem to n dimensions. A smoothly embedded n-hypersphere in an (n+1)-hypersphere separates the (n+1)-hypersphere into two components, ...

The radical circle of the McCay circles has center (1) which is not a Kimberling center, and radius (2) where (3) Its circle function is (4) where (5) which is also does not ...

If two square n×n matrices A and B are simultaneously upper triangularizable by similarity transforms, then there is an ordering a_1, ..., a_n of the eigenvalues of A and ...

The mean tetrahedron volume V^_ is the average volume of a tetrahedron in tetrahedron picking within some given shape. As summarized in the following table, it is possible to ...

A Boolean sigma-algebra which possesses a measure.

A measure space is a measurable space possessing a nonnegative measure. Examples of measure spaces include n-dimensional Euclidean space with Lebesgue measure and the unit ...

The boundaries of the cells of a Voronoi diagram.

The dual of the rhombidodecadodecahedron U_(38) and Wenninger dual W_(76).

The 30-faced dual of the truncated dodecadodecahedron and Wenninger dual W_(98).

The dual of the snub icosidodecadodecahedron U_(44) and Wenninger dual W_(112).