On the equation x(x+1)... (x+k-1) = y(y+d)... (y+(mk-1)d), m=1,2
N. Saradha, T.N. Shorey, R. Tijdeman (1995)
Acta Arithmetica
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N. Saradha, T.N. Shorey, R. Tijdeman (1995)
Acta Arithmetica
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Nobuyuki Kemoto, Tsugunori Nogura, Kerry Smith, Yukinobu Yajima (1996)
Fundamenta Mathematicae
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Let λ be an ordinal number. It is shown that normality, collectionwise normality and shrinking are equivalent for all subspaces of .
Romuald Dąbrowski, Benji Fisher (1997)
Acta Arithmetica
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Jun-Ichi Tamura (1995)
Acta Arithmetica
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V. Bernik (1996)
Acta Arithmetica
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Daciberg Gonçalves, Jerzy Jezierski (1997)
Fundamenta Mathematicae
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We generalize the Lefschetz coincidence theorem to non-oriented manifolds. We use (co-) homology groups with local coefficients. This generalization requires the assumption that one of the considered maps is orientation true.
N. Saradha (1998)
Acta Arithmetica
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Wladimir de Azevedo Pribitkin (2000)
Acta Arithmetica
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