Let the coronas C<sub>n</sub>⊙K<sub>1</sub> be the polygons with one additional end-point for eachvertex.Thom Grace conjectured that C<sub>n</sub>⊙K<sub>1</sub> are ha...Let the coronas C<sub>n</sub>⊙K<sub>1</sub> be the polygons with one additional end-point for eachvertex.Thom Grace conjectured that C<sub>n</sub>⊙K<sub>1</sub> are harmonious for n even.In this paper,aproof of his conjecture is given.展开更多
文摘Let the coronas C<sub>n</sub>⊙K<sub>1</sub> be the polygons with one additional end-point for eachvertex.Thom Grace conjectured that C<sub>n</sub>⊙K<sub>1</sub> are harmonious for n even.In this paper,aproof of his conjecture is given.
