The Strangest Numbers in String Theory
John Baez and John Huerta
May 1, 2011
Ever wonder why superstrings like to live in 10 dimensions? One reason
is an 8dimensional number system called the octonions:
If you want to see how the Scientific American editing transformed
our original manuscript with topnotch editing but also added more of
a prostringtheory slant, you can compare the original.
For more details, see:

John Baez, The Octonions, Bull. Amer.
Math. Soc. 39 (2002), 145205.

John Baez and John Huerta,
Division algebras and
supersymmetry I.

John Baez and John Huerta,
Division algebras and
supersymmetry II.

John Huerta,
Division algebras
and supersymmetry III.

John Huerta,
Division algebras
and supersymmetry IV.

John Huerta, Division Algebras, Supersymmetry and Higher Gauge Theory, Ph.D. thesis, U.C. Riverside,
2011.
© 2011 John Baez and John Baez
baez@math.removethis.ucr.andthis.edu