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We give a separability criterion for the polynomials of the form
have no rational points. As an illustration, using the sufficient condition, we study the arithmetic of hyperelliptic curves of the above form and show that there are infinitely many curves of the above form that are counterexamples to the Hasse principle explained by the Brauer–Manin obstruction.
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Nguyen, Dong Quan
2015.
Algebraic families of hyperelliptic curves violating the Hasse principle.
Pacific Journal of Mathematics,
Vol. 274,
Issue. 1,
p.
141.