Fibrations of K 3-surfaces and Belyi-maps

  title={Fibrations of K 3-surfaces and Belyi-maps},
  author={Frits Beukers and H. Montanus},
In a paper by Miranda and Persson [MP89], the authors study semi-stable elliptic fibrations over P of K3-surfaces with 6 singular fibres. In their paper the authors give a list of possible fiber types for such fibrations. It turns out that there are 112 cases. The corresponding J-invariant is a so-called Belyi-function. More particularly, J is a rational function of degree 24, it ramifies of order 3 in every point above 0, it ramifies of order 2 in every point above 1, and the only other… CONTINUE READING

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