mecànica tensorial y relativitat general

d_{ttt}[1+( x(t) )^{m}]/(d_{t}[1+x^{m}]d_{t}[1+x^{m}]d_{t}[1+y^{m}])+( 1+( x(t) )^{m} ) = d_{t}[x^{m}]
d_{ttt}[1+( y(t) )^{m}]/(d_{t}[1+y^{m}]d_{t}[1+y^{m}]d_{t}[1+x^{m}])+( 1+( y(t) )^{m} ) = (-1)·d_{t}[y^{m}]


R^{i}_{iij}+m^{i} = T^{i}
R^{j}_{jji}+m^{j} = (-1)·T^{j}


x(t) =  e^{(1/m)·t}
y(t) =  e^{(-1)·(1/m)·t}