The number of families of solutions of decomposable form equations
J.-H. Evertse, K. Győry (1997)
Acta Arithmetica
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J.-H. Evertse, K. Győry (1997)
Acta Arithmetica
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Roland Auer (2000)
Acta Arithmetica
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Aleksander Maliszewski (1998)
Fundamenta Mathematicae
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The main goal of this paper is to characterize the family of all functions f which satisfy the following condition: whenever g is a Darboux function and f < g on ℝ there is a Darboux function h such that f < h < g on ℝ.
Andrzej Rosłanowski, Saharon Shelah (1998)
Fundamenta Mathematicae
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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.
Bruce Hughes (1999)
Fundamenta Mathematicae
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Teardrops are generalizations of open mapping cylinders. We prove that the teardrop of a stratified approximate fibration X → Y × ℝ with X and Y homotopically stratified spaces is itself a homotopically stratified space (under mild hypothesis). This is applied to manifold stratified approximate fibrations between manifold stratified spaces in order to establish the realization part of a previously announced tubular neighborhood theory.
Stephen Cohen (2000)
Acta Arithmetica
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Stefan Johansson (1998)
Acta Arithmetica
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