• sphere ⪢⪢
#math
http://qindex.info/i.php?x=12224

• sphere ⪢⪢
http://qindex.info/i.php?x=21363

○○○ mold ⪢⪢
A sphere and a cube are topologically the same thing since you can just kind of mold one into the other. #math
http://qindex.info/i.php?x=16021

•  higher dimensional spheres
#math
http://qindex.info/i.php?x=5346

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