Global function fields with many rational places over the quinary field. II
Harald Niederreiter, Chaoping Xing (1998)
Acta Arithmetica
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Displaying similar documents to “Weakly Kronecker equivalent number fields and global norms”
Global function fields with many rational places over the quinary field. II
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Roland Auer (2000)
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Andrzej Rosłanowski, Saharon Shelah (1998)
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We deal with some problems posed by Monk [Mo 1], [Mo 3] and related to cardinal invariants of ultraproducts of Boolean algebras. We also introduce and investigate several new cardinal invariants.
The number of families of solutions of decomposable form equations
J.-H. Evertse, K. Győry (1997)
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Davide Ferrario (1998)
Fundamenta Mathematicae
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In order to compute the Nielsen number N(f) of a self-map f: X → X, some Reidemeister classes in the fundamental group need to be distinguished. In this paper some algebraic results are given which allow distinguishing Reidemeister classes and hence computing the Reidemeister number of some maps. Examples of computations are presented.
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Manfred Lochter (1994)
Acta Arithmetica
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The universal functorial Lefschetz invariant
Wolfgang Lück (1999)
Fundamenta Mathematicae
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We introduce the universal functorial Lefschetz invariant for endomorphisms of finite CW-complexes in terms of Grothendieck groups of endomorphisms of finitely generated free modules. It encompasses invariants like Lefschetz number, its generalization to the Lefschetz invariant, Nielsen number and -torsion of mapping tori. We examine its behaviour under fibrations.