Amazingly, more than a hundred years ago, mathematicians proved that every closed surface in space is simply some version of a sphere, a doughnut surface?which they call a torus?or a torus with extra holes.
[...]
For a century, mathematicians have wondered whether there's a classification of three-dimensional shapes like the simple breakdown of two-dimensional shapes into spheres and tori.
[Weiter bei ScienceNews.org]
[...]
For a century, mathematicians have wondered whether there's a classification of three-dimensional shapes like the simple breakdown of two-dimensional shapes into spheres and tori.
[Weiter bei ScienceNews.org]
integrator - am Sonntag, 29. Juni 2003, 16:10
