2 papers
math.NT2007
A geometric framework for the subfield problem of generic polynomials via Tschirnhausen transformation
Akinari Hoshi, Katsuya Miyake
Let be an arbitrary field. We study a general method to solve the subfield problem of generic polynomials for the symmetric groups over via Tschirnhausen transformation. Ba…
math.AG2007
A Rationality Problem of Some Cremona Transformation
Akinari Hoshi, Ming-chang Kang
We will show the rationality of the function field of two variables under certain Cremona transformation.