Open Problem Garden - 4-dimensional sphere Schoenflies - Comments http://www.openproblemgarden.org/category/4_dimensional_sphere_schoenflies Comments for "4-dimensional sphere Schoenflies" en 4-dimensional sphere Schoenflies http://www.openproblemgarden.org/category/4_dimensional_sphere_schoenflies <br /> http://www.openproblemgarden.org/category/4_dimensional_sphere_schoenflies#comment Sat, 07 Nov 2009 00:38:24 +0100 37133 at http://www.openproblemgarden.org