Browsing by Author "Kühn, Ulf"

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2006-09-21Zeitschriftenartikel

Cohomological Arithmetic Chow Rings

Burgos Gil, Jose Ignacio; Kramer, Jürg; Kühn, Ulf

We develop a theory of abstract arithmetic Chow rings, where the role of the fibres at infinity is played by a complex of abelian groups that computes a suitable cohomology theory. As particular cases of this formalism we ...
2001-07-07Buch

Neron-Tate heights on algebraic curves and subgroups of the modular group

Kühn, Ulf

We give an expression for the value of the Neron-Tate height pairing of two divisors on an algebraic curve which involves special values of certain Dirichlet series associated to finite index subgroups of the modular group.