cross product <2023-12-22 Fri 08:12:14> mahmood math the cross product in is[cite:;taken2 from @calc_hubbard_2015 definition 1.4.17]
in 
is
[cite:;taken2 from @calc_hubbard_2015 definition 1.4.17] in is[cite:;taken2 from @calc_hubbard_2015 definition 1.4.17] in is[cite:;taken2 from @calc_hubbard_2015 definition 1.4.17]