We prove that if k is a finite field with elements, then the natural map is an isomorphism for 0 ≤ i < d(p-1) and for all n.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-fm175-2-5, author = {Kevin P. Knudson}, title = {Unstable homotopy invariance for finite fields}, journal = {Fundamenta Mathematicae}, volume = {173}, year = {2002}, pages = {155-162}, zbl = {1019.20017}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm175-2-5} }
Kevin P. Knudson. Unstable homotopy invariance for finite fields. Fundamenta Mathematicae, Tome 173 (2002) pp. 155-162. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm175-2-5/