Density theorems for exceptional eigenvalues of the Laplacian for congruence groups
H. Iwaniec (1985)
Banach Center Publications
E. Landau (1933)
Mathematische Zeitschrift
R. Baker (1989)
Acta Arithmetica
Chunlei Liu (1999)
Acta Arithmetica
Dieter Leitmann (1982)
Monatshefte für Mathematik
Hong Bing Yu (2001)
Acta Arithmetica
Harald Niederreiter, Hugh L. Montgomery (1977)
Δελτίο της Ελληνικής Μαθηματικής Εταιρίας
Harald Niederreiter (1978/1979)
Monatshefte für Mathematik
R. Narasimhan, K. Chandrasekharan (1979)
Commentarii mathematici Helvetici
Alan Adolphson, Steven Sperber (1990)
Inventiones mathematicae
Zhefeng Xu, Wenpeng Zhang (2008)
Acta Arithmetica
Edmund Hlawka (1983)
Manuscripta mathematica
K. Thanigasalam (1987)
Acta Arithmetica
K. Thanigasalam (1985)
Acta Arithmetica
S. D. Cohen, H. Niederreiter, I. E. Shparlinski, M. Zieve (2001)
Journal de théorie des nombres de Bordeaux
We present a method of bounding incomplete character sums for finite abelian groups with arguments produced by a first-order recursion. This method is particularly effective if the recursion involves a special type of permutation called an -orthomorphism. Examples of -orthomorphisms are given.
M. N. Huxley (1985)
Banach Center Publications
Huaning Liu, Jing Gao (2012)
Acta Arithmetica
Liangyi Zhao (2004)
Acta Arithmetica
Alberto Perelli (1989)
Journal für die reine und angewandte Mathematik
Gérard Laumon (1983)
Annales scientifiques de l'École Normale Supérieure