Singular Fibers of Homology Planes with Pencils of Rational Curves

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type:Departmental Bulletin Paper

A non singular affine surface X is called a homology plane when its higher homologygroupes vanish. In this paper we will classify possible singular fibers of a homology plane with a C3*-fibration and a homology plane with an untwisted C4*-fibration. We also give an example of a homology plane with an untwisted C4*-fibration and calculate its logarithmic Chern number.

identifier:滋賀大学教育学部紀要, 3, 自然科学, 第49号, pp.29-40

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