a belongs to R

show that the map

L: R^n------R^n>0

(R^n>0 denote the n-fold cartesian product of R>0 with itself)

(a1)

(....) ----------

(an)

(e^a1)

(.....)

(e^an)

is a isomorphism between the vector space R^n and the vector space R^n>0

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- Apr 22nd 2009, 01:55 PMak123456isomorphism question
a belongs to R

show that the map

L: R^n------R^n>0

(R^n>0 denote the n-fold cartesian product of R>0 with itself)

(a1)

(....) ----------

(an)

(e^a1)

(.....)

(e^an)

is a isomorphism between the vector space R^n and the vector space R^n>0 - Apr 22nd 2009, 03:19 PMGammaNot sure I understand
you have by ?

This is bijective because

I think you can check it is a morphism.