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math.AG2019
Bijective Cremona transformations of the plane
Shamil Asgarli, Kuan-Wen Lai, Masahiro Nakahara +1
We study the birational self-maps of the projective plane over finite fields that induce permutations on the set of rational points. As a main result, we prove that no odd permutat…
math.AG2017
Brauer-Manin obstructions on degree 2 K3 surfaces
Patrick Corn, Masahiro Nakahara
We analyze the Brauer-Manin obstruction to rational points on the K3 surfaces over given by double covers of ramified over a diagonal sextic. After find…